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test: Add ld.so ABI layout verification

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Introduce `verify-ldso-abi.sh` script and architecture-specific baseline
files to the build.

This new verification step is integrated into the `%check` phase of the
glibc build process. It uses `gdb` to dump the internal ABI layout of
critical dynamic linker data structures (`_rtld_global_ro`,
`_rtld_global`, `struct link_map`, `struct pthread`) and compares them
against a predefined baseline.

This ensures that unintentional ABI breaks in `ld.so` are detected
early, maintaining stability for internal glibc components. The script
also supports generating new baselines when changes are intentional.

Resolves: RHEL-50086
This commit is contained in:
Frédéric Bérat 2025-07-29 14:46:11 +02:00
parent 6b217b8105
commit 85eb6772ad
7 changed files with 2892 additions and 1 deletions
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26
glibc.spec
View File

@ -157,7 +157,7 @@ end \
Summary: The GNU libc libraries
Name: glibc
Version: %{glibcversion}
Release: 222%{?dist}
Release: 223%{?dist}
# In general, GPLv2+ is used by programs, LGPLv2+ is used for
# libraries.
@ -199,6 +199,12 @@ Source11: parse-SUPPORTED.py
Source12: ChangeLog.old
Source13: nscd-sysusers.conf
Source14: glibc.abignore
Source15: verify-ld-so-abi.sh
Source16: ld-so-abi-aarch64.baseline
Source17: ld-so-abi-i386.baseline
Source18: ld-so-abi-ppc64le.baseline
Source19: ld-so-abi-s390x.baseline
Source20: ld-so-abi-x86_64.baseline
# glibc_ldso: ABI-specific program interpreter name. Used for debuginfo
# extraction (wrap-find-debuginfo.sh) and smoke testing ($run_ldso below).
@ -1393,6 +1399,10 @@ BuildRequires: audit-libs-devel >= 1.1.3, sed >= 3.95, libcap-devel, gettext
BuildRequires: procps-ng, util-linux, gawk
BuildRequires: systemtap-sdt-devel
%if %{with testsuite}
BuildRequires: gdb
%endif
%if %{with valgrind}
# Require valgrind for smoke testing the dynamic loader to make sure we
# have not broken valgrind.
@ -2219,6 +2229,12 @@ diff -u \
--label "glibc localedata/SUPPORTED" localedata/SUPPORTED.glibc
rm localedata/SUPPORTED.spec localedata/SUPPORTED.glibc
# Prepare for ld.so ABI check
cp %{SOURCE15} .
chmod +x verify-ld-so-abi.sh
cp %{_sourcedir}/*.baseline .
##############################################################################
# Build glibc...
##############################################################################
@ -2987,6 +3003,11 @@ $run_ldso /usr/bin/valgrind --error-exitcode=1 \
%endif
%endif
# Verify ld.so ABI.
if test -f "ld-so-abi-%{_arch}.baseline" ; then
./verify-ld-so-abi.sh %{_arch} %{glibc_sysroot}%{_prefix}%{glibc_ldso}
fi
%endif
@ -3397,6 +3418,9 @@ update_gconv_modules_cache ()
%endif
%changelog
* Wed Jul 30 2025 Frédéric Bérat <fberat@redhat.com> - 2.34-223
- Add ld-so-abi-check
* Wed Jul 30 2025 Florian Weimer <fweimer@redhat.com> - 2.34-222
- Build glibc32 from the main glibc package (RHEL-106470)

541
ld-so-abi-aarch64.baseline Normal file
View File

@ -0,0 +1,541 @@
--- _rtld_global_ro ---
/* offset | size */ type = struct rtld_global_ro {
/* 0 | 4 */ int _dl_debug_mask;
/* 4 | 4 */ unsigned int _dl_osversion;
/* 8 | 8 */ const char *_dl_platform;
/* 16 | 8 */ size_t _dl_platformlen;
/* 24 | 8 */ size_t _dl_pagesize;
/* 32 | 8 */ size_t _dl_minsigstacksize;
/* 40 | 4 */ int _dl_inhibit_cache;
/* XXX 4-byte hole */
/* 48 | 16 */ struct r_scope_elem {
/* 48 | 8 */ struct link_map **r_list;
/* 56 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} _dl_initial_searchlist;
/* 64 | 4 */ int _dl_clktck;
/* 68 | 4 */ int _dl_verbose;
/* 72 | 4 */ int _dl_debug_fd;
/* 76 | 4 */ int _dl_lazy;
/* 80 | 4 */ int _dl_bind_not;
/* 84 | 4 */ int _dl_dynamic_weak;
/* 88 | 4 */ fpu_control_t _dl_fpu_control;
/* 92 | 4 */ int _dl_correct_cache_id;
/* 96 | 8 */ uint64_t _dl_hwcap;
/* 104 | 8 */ Elf64_auxv_t *_dl_auxv;
/* 112 | 16 */ struct cpu_features {
/* 112 | 8 */ uint64_t midr_el1;
/* 120 | 4 */ unsigned int zva_size;
/* 124 | 1 */ _Bool bti;
/* 125 | 1 */ uint8_t mte_state;
/* 126 | 1 */ _Bool sve;
/* XXX 1-byte padding */
/* total size (bytes): 16 */
} _dl_aarch64_cpu_features;
/* 128 | 320 */ const char _dl_aarch64_cap_flags[32][10];
/* 448 | 8 */ const char *_dl_inhibit_rpath;
/* 456 | 8 */ const char *_dl_origin_path;
/* 464 | 8 */ Elf64_Addr _dl_use_load_bias;
/* 472 | 8 */ size_t _dl_tls_static_size;
/* 480 | 8 */ size_t _dl_tls_static_align;
/* 488 | 8 */ size_t _dl_tls_static_surplus;
/* 496 | 8 */ const char *_dl_profile;
/* 504 | 8 */ const char *_dl_profile_output;
/* 512 | 8 */ const char *_dl_trace_prelink;
/* 520 | 8 */ struct link_map *_dl_trace_prelink_map;
/* 528 | 8 */ struct r_search_path_elem *_dl_init_all_dirs;
/* 536 | 8 */ const Elf64_Ehdr *_dl_sysinfo_dso;
/* 544 | 8 */ struct link_map *_dl_sysinfo_map;
/* 552 | 8 */ int (*_dl_vdso_clock_gettime64)(clockid_t, struct timespec *);
/* 560 | 8 */ int (*_dl_vdso_gettimeofday)(struct timeval *, void *);
/* 568 | 8 */ int (*_dl_vdso_clock_getres_time64)(clockid_t, struct timespec *);
/* 576 | 8 */ uint64_t _dl_hwcap2;
/* 584 | 4 */ enum dso_sort_algorithm _dl_dso_sort_algo;
/* XXX 4-byte hole */
/* 592 | 8 */ void (*_dl_debug_printf)(const char *, ...);
/* 600 | 8 */ void (*_dl_mcount)(Elf64_Addr, Elf64_Addr);
/* 608 | 8 */ lookup_t (*_dl_lookup_symbol_x)(const char *, struct link_map *, const Elf64_Sym **, struct r_scope_elem **, const struct r_found_version *, int, int, struct link_map *);
/* 616 | 8 */ void *(*_dl_open)(const char *, int, const void *, Lmid_t, int, char **, char **);
/* 624 | 8 */ void (*_dl_close)(void *);
/* 632 | 8 */ int (*_dl_catch_error)(const char **, const char **, _Bool *, void (*)(void *), void *);
/* 640 | 8 */ void (*_dl_error_free)(void *);
/* 648 | 8 */ void *(*_dl_tls_get_addr_soft)(struct link_map *);
/* 656 | 8 */ int (*_dl_discover_osversion)(void);
/* 664 | 8 */ const struct dlfcn_hook *_dl_dlfcn_hook;
/* 672 | 8 */ struct audit_ifaces *_dl_audit;
/* 680 | 4 */ unsigned int _dl_naudit;
/* XXX 4-byte padding */
/* total size (bytes): 688 */
}
--- _rtld_global ---
/* offset | size */ type = struct rtld_global {
/* 0 | 2560 */ struct link_namespaces _dl_ns[16];
/* 2560 | 8 */ size_t _dl_nns;
/* 2568 | 48 */ __rtld_lock_recursive_t _dl_load_lock;
/* 2616 | 48 */ __rtld_lock_recursive_t _dl_load_write_lock;
/* 2664 | 48 */ __rtld_lock_recursive_t _dl_load_tls_lock;
/* 2712 | 8 */ unsigned long long _dl_load_adds;
/* 2720 | 8 */ struct link_map *_dl_initfirst;
/* 2728 | 8 */ struct link_map *_dl_profile_map;
/* 2736 | 8 */ unsigned long _dl_num_relocations;
/* 2744 | 8 */ unsigned long _dl_num_cache_relocations;
/* 2752 | 8 */ struct r_search_path_elem *_dl_all_dirs;
/* 2760 | 1200 */ struct link_map {
/* 2760 | 8 */ Elf64_Addr l_addr;
/* 2768 | 8 */ char *l_name;
/* 2776 | 8 */ Elf64_Dyn *l_ld;
/* 2784 | 8 */ struct link_map *l_next;
/* 2792 | 8 */ struct link_map *l_prev;
/* 2800 | 8 */ struct link_map *l_real;
/* 2808 | 8 */ Lmid_t l_ns;
/* 2816 | 8 */ struct libname_list *l_libname;
/* 2824 | 664 */ Elf64_Dyn *l_info[83];
/* 3488 | 8 */ const Elf64_Phdr *l_phdr;
/* 3496 | 8 */ Elf64_Addr l_entry;
/* 3504 | 2 */ Elf64_Half l_phnum;
/* 3506 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 3512 | 16 */ struct r_scope_elem {
/* 3512 | 8 */ struct link_map **r_list;
/* 3520 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 3528 | 16 */ struct r_scope_elem {
/* 3528 | 8 */ struct link_map **r_list;
/* 3536 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 3544 | 8 */ struct link_map *l_loader;
/* 3552 | 8 */ struct r_found_version *l_versions;
/* 3560 | 4 */ unsigned int l_nversions;
/* 3564 | 4 */ Elf_Symndx l_nbuckets;
/* 3568 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 3572 | 4 */ Elf32_Word l_gnu_shift;
/* 3576 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 3584 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 3592 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 3600 | 4 */ unsigned int l_direct_opencount;
/* 3604: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 3604: 2 | 4 */ unsigned int l_relocated : 1;
/* 3604: 3 | 4 */ unsigned int l_init_called : 1;
/* 3604: 4 | 4 */ unsigned int l_global : 1;
/* 3604: 5 | 4 */ unsigned int l_reserved : 2;
/* 3604: 7 | 4 */ unsigned int l_main_map : 1;
/* 3605: 0 | 4 */ unsigned int l_visited : 1;
/* 3605: 1 | 4 */ unsigned int l_map_used : 1;
/* 3605: 2 | 4 */ unsigned int l_map_done : 1;
/* 3605: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 3605: 4 | 4 */ unsigned int l_soname_added : 1;
/* 3605: 5 | 4 */ unsigned int l_faked : 1;
/* 3605: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 3605: 7 | 4 */ unsigned int l_auditing : 1;
/* 3606: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 3606: 1 | 4 */ unsigned int l_removed : 1;
/* 3606: 2 | 4 */ unsigned int l_contiguous : 1;
/* 3606: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 3606: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 3606: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 3606: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 3606: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 3607 | 1 */ _Bool l_nodelete_active;
/* 3608 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 3616 | 16 */ struct r_search_path_struct {
/* 3616 | 8 */ struct r_search_path_elem **dirs;
/* 3624 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 3632 | 8 */ struct reloc_result *l_reloc_result;
/* 3640 | 8 */ Elf64_Versym *l_versyms;
/* 3648 | 8 */ const char *l_origin;
/* 3656 | 8 */ Elf64_Addr l_map_start;
/* 3664 | 8 */ Elf64_Addr l_map_end;
/* 3672 | 8 */ Elf64_Addr l_text_end;
/* 3680 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 3712 | 8 */ size_t l_scope_max;
/* 3720 | 8 */ struct r_scope_elem **l_scope;
/* 3728 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 3744 | 16 */ struct r_file_id {
/* 3744 | 8 */ dev_t dev;
/* 3752 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 3760 | 16 */ struct r_search_path_struct {
/* 3760 | 8 */ struct r_search_path_elem **dirs;
/* 3768 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 3776 | 8 */ struct link_map **l_initfini;
/* 3784 | 8 */ struct link_map_reldeps *l_reldeps;
/* 3792 | 4 */ unsigned int l_reldepsmax;
/* 3796 | 4 */ unsigned int l_used;
/* 3800 | 4 */ Elf64_Word l_feature_1;
/* 3804 | 4 */ Elf64_Word l_flags_1;
/* 3808 | 4 */ Elf64_Word l_flags;
/* 3812 | 4 */ int l_idx;
/* 3816 | 24 */ struct link_map_machine {
/* 3816 | 8 */ Elf64_Addr plt;
/* 3824 | 8 */ void *tlsdesc_table;
/* 3832 | 1 */ _Bool bti_fail;
/* XXX 7-byte padding */
/* total size (bytes): 24 */
} l_mach;
/* 3840 | 32 */ struct {
/* 3840 | 8 */ const Elf64_Sym *sym;
/* 3848 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 3856 | 8 */ struct link_map *value;
/* 3864 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 3872 | 8 */ void *l_tls_initimage;
/* 3880 | 8 */ size_t l_tls_initimage_size;
/* 3888 | 8 */ size_t l_tls_blocksize;
/* 3896 | 8 */ size_t l_tls_align;
/* 3904 | 8 */ size_t l_tls_firstbyte_offset;
/* 3912 | 8 */ ptrdiff_t l_tls_offset;
/* 3920 | 8 */ size_t l_tls_modid;
/* 3928 | 8 */ size_t l_tls_dtor_count;
/* 3936 | 8 */ Elf64_Addr l_relro_addr;
/* 3944 | 8 */ size_t l_relro_size;
/* 3952 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1200 */
} _dl_rtld_map;
/* 3960 | 256 */ struct auditstate _dl_rtld_auditstate[16];
/* 4216 | 4 */ Elf64_Word _dl_stack_flags;
/* 4220 | 1 */ _Bool _dl_tls_dtv_gaps;
/* XXX 3-byte hole */
/* 4224 | 8 */ size_t _dl_tls_max_dtv_idx;
/* 4232 | 8 */ struct dtv_slotinfo_list *_dl_tls_dtv_slotinfo_list;
/* 4240 | 8 */ size_t _dl_tls_static_nelem;
/* 4248 | 8 */ size_t _dl_tls_static_used;
/* 4256 | 8 */ size_t _dl_tls_static_optional;
/* 4264 | 8 */ void *_dl_initial_dtv;
/* 4272 | 8 */ size_t _dl_tls_generation;
/* 4280 | 8 */ struct dl_scope_free_list *_dl_scope_free_list;
/* 4288 | 16 */ list_t _dl_stack_used;
/* 4304 | 16 */ list_t _dl_stack_user;
/* 4320 | 16 */ list_t _dl_stack_cache;
/* 4336 | 8 */ size_t _dl_stack_cache_actsize;
/* 4344 | 8 */ uintptr_t _dl_in_flight_stack;
/* 4352 | 4 */ int _dl_stack_cache_lock;
/* XXX 4-byte padding */
/* total size (bytes): 4360 */
}
--- struct link_map ---
/* offset | size */ type = struct link_map {
/* 0 | 8 */ Elf64_Addr l_addr;
/* 8 | 8 */ char *l_name;
/* 16 | 8 */ Elf64_Dyn *l_ld;
/* 24 | 8 */ struct link_map *l_next;
/* 32 | 8 */ struct link_map *l_prev;
/* 40 | 8 */ struct link_map *l_real;
/* 48 | 8 */ Lmid_t l_ns;
/* 56 | 8 */ struct libname_list *l_libname;
/* 64 | 664 */ Elf64_Dyn *l_info[83];
/* 728 | 8 */ const Elf64_Phdr *l_phdr;
/* 736 | 8 */ Elf64_Addr l_entry;
/* 744 | 2 */ Elf64_Half l_phnum;
/* 746 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 752 | 16 */ struct r_scope_elem {
/* 752 | 8 */ struct link_map **r_list;
/* 760 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 768 | 16 */ struct r_scope_elem {
/* 768 | 8 */ struct link_map **r_list;
/* 776 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 784 | 8 */ struct link_map *l_loader;
/* 792 | 8 */ struct r_found_version *l_versions;
/* 800 | 4 */ unsigned int l_nversions;
/* 804 | 4 */ Elf_Symndx l_nbuckets;
/* 808 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 812 | 4 */ Elf32_Word l_gnu_shift;
/* 816 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 824 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 832 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 840 | 4 */ unsigned int l_direct_opencount;
/* 844: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 844: 2 | 4 */ unsigned int l_relocated : 1;
/* 844: 3 | 4 */ unsigned int l_init_called : 1;
/* 844: 4 | 4 */ unsigned int l_global : 1;
/* 844: 5 | 4 */ unsigned int l_reserved : 2;
/* 844: 7 | 4 */ unsigned int l_main_map : 1;
/* 845: 0 | 4 */ unsigned int l_visited : 1;
/* 845: 1 | 4 */ unsigned int l_map_used : 1;
/* 845: 2 | 4 */ unsigned int l_map_done : 1;
/* 845: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 845: 4 | 4 */ unsigned int l_soname_added : 1;
/* 845: 5 | 4 */ unsigned int l_faked : 1;
/* 845: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 845: 7 | 4 */ unsigned int l_auditing : 1;
/* 846: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 846: 1 | 4 */ unsigned int l_removed : 1;
/* 846: 2 | 4 */ unsigned int l_contiguous : 1;
/* 846: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 846: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 846: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 846: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 846: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 847 | 1 */ _Bool l_nodelete_active;
/* 848 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 856 | 16 */ struct r_search_path_struct {
/* 856 | 8 */ struct r_search_path_elem **dirs;
/* 864 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 872 | 8 */ struct reloc_result *l_reloc_result;
/* 880 | 8 */ Elf64_Versym *l_versyms;
/* 888 | 8 */ const char *l_origin;
/* 896 | 8 */ Elf64_Addr l_map_start;
/* 904 | 8 */ Elf64_Addr l_map_end;
/* 912 | 8 */ Elf64_Addr l_text_end;
/* 920 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 952 | 8 */ size_t l_scope_max;
/* 960 | 8 */ struct r_scope_elem **l_scope;
/* 968 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 984 | 16 */ struct r_file_id {
/* 984 | 8 */ dev_t dev;
/* 992 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 1000 | 16 */ struct r_search_path_struct {
/* 1000 | 8 */ struct r_search_path_elem **dirs;
/* 1008 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 1016 | 8 */ struct link_map **l_initfini;
/* 1024 | 8 */ struct link_map_reldeps *l_reldeps;
/* 1032 | 4 */ unsigned int l_reldepsmax;
/* 1036 | 4 */ unsigned int l_used;
/* 1040 | 4 */ Elf64_Word l_feature_1;
/* 1044 | 4 */ Elf64_Word l_flags_1;
/* 1048 | 4 */ Elf64_Word l_flags;
/* 1052 | 4 */ int l_idx;
/* 1056 | 24 */ struct link_map_machine {
/* 1056 | 8 */ Elf64_Addr plt;
/* 1064 | 8 */ void *tlsdesc_table;
/* 1072 | 1 */ _Bool bti_fail;
/* XXX 7-byte padding */
/* total size (bytes): 24 */
} l_mach;
/* 1080 | 32 */ struct {
/* 1080 | 8 */ const Elf64_Sym *sym;
/* 1088 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 1096 | 8 */ struct link_map *value;
/* 1104 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 1112 | 8 */ void *l_tls_initimage;
/* 1120 | 8 */ size_t l_tls_initimage_size;
/* 1128 | 8 */ size_t l_tls_blocksize;
/* 1136 | 8 */ size_t l_tls_align;
/* 1144 | 8 */ size_t l_tls_firstbyte_offset;
/* 1152 | 8 */ ptrdiff_t l_tls_offset;
/* 1160 | 8 */ size_t l_tls_modid;
/* 1168 | 8 */ size_t l_tls_dtor_count;
/* 1176 | 8 */ Elf64_Addr l_relro_addr;
/* 1184 | 8 */ size_t l_relro_size;
/* 1192 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1200 */
}
--- struct pthread ---
/* offset | size */ type = struct pthread {
/* 0 | 192 */ union {
/* 8 */ struct {
/* 0 | 4 */ int multiple_threads;
/* 4 | 4 */ int gscope_flag;
/* total size (bytes): 8 */
} header;
/* 192 */ void *__padding[24];
/* total size (bytes): 192 */
};
/* 192 | 16 */ list_t list;
/* 208 | 4 */ pid_t tid;
/* 212 | 4 */ pid_t pid_ununsed;
/* 216 | 8 */ void *robust_prev;
/* 224 | 24 */ struct robust_list_head {
/* 224 | 8 */ void *list;
/* 232 | 8 */ long futex_offset;
/* 240 | 8 */ void *list_op_pending;
/* total size (bytes): 24 */
} robust_head;
/* 248 | 8 */ struct _pthread_cleanup_buffer *cleanup;
/* 256 | 8 */ struct pthread_unwind_buf *cleanup_jmp_buf;
/* 264 | 4 */ int cancelhandling;
/* 268 | 4 */ int flags;
/* 272 | 512 */ struct pthread_key_data specific_1stblock[32];
/* 784 | 256 */ struct pthread_key_data *specific[32];
/* 1040 | 1 */ _Bool specific_used;
/* 1041 | 1 */ _Bool report_events;
/* 1042 | 1 */ _Bool user_stack;
/* 1043 | 1 */ _Bool stopped_start;
/* 1044 | 4 */ int setup_failed;
/* 1048 | 4 */ int lock;
/* 1052 | 4 */ unsigned int setxid_futex;
/* 1056 | 8 */ struct pthread *joinid;
/* 1064 | 8 */ void *result;
/* 1072 | 4 */ struct sched_param {
/* 1072 | 4 */ int sched_priority;
/* total size (bytes): 4 */
} schedparam;
/* 1076 | 4 */ int schedpolicy;
/* 1080 | 8 */ void *(*start_routine)(void *);
/* 1088 | 8 */ void *arg;
/* 1096 | 24 */ td_eventbuf_t eventbuf;
/* 1120 | 8 */ struct pthread *nextevent;
/* XXX 8-byte hole */
/* 1136 | 32 */ struct _Unwind_Exception {
/* 1136 | 32 */ union {
/* 32 */ struct {
/* 1136 | 8 */ _Unwind_Exception_Class exception_class;
/* 1144 | 8 */ _Unwind_Exception_Cleanup_Fn exception_cleanup;
/* 1152 | 8 */ _Unwind_Word private_1;
/* 1160 | 8 */ _Unwind_Word private_2;
/* total size (bytes): 32 */
};
/* 16 */ _Unwind_Word unwind_exception_align[2];
/* total size (bytes): 32 */
};
/* total size (bytes): 32 */
} exc;
/* 1168 | 8 */ void *stackblock;
/* 1176 | 8 */ size_t stackblock_size;
/* 1184 | 8 */ size_t guardsize;
/* 1192 | 8 */ size_t reported_guardsize;
/* 1200 | 8 */ struct priority_protection_data *tpp;
/* 1208 | 568 */ struct __res_state {
/* 1208 | 4 */ int retrans;
/* 1212 | 4 */ int retry;
/* 1216 | 8 */ unsigned long options;
/* 1224 | 4 */ int nscount;
/* 1228 | 48 */ struct sockaddr_in nsaddr_list[3];
/* 1276 | 2 */ unsigned short id;
/* XXX 2-byte hole */
/* 1280 | 56 */ char *dnsrch[7];
/* 1336 | 256 */ char defdname[256];
/* 1592 | 8 */ unsigned long pfcode;
/* 1600: 0 | 4 */ unsigned int ndots : 4;
/* 1600: 4 | 4 */ unsigned int nsort : 4;
/* 1601: 0 | 4 */ unsigned int ipv6_unavail : 1;
/* 1601: 1 | 4 */ unsigned int unused : 23;
/* 1604 | 80 */ struct {
/* 0 | 4 */ struct in_addr addr;
/* 4 | 4 */ uint32_t mask;
} sort_list[10];
/* XXX 4-byte hole */
/* 1688 | 8 */ void *__glibc_unused_qhook;
/* 1696 | 8 */ void *__glibc_unused_rhook;
/* 1704 | 4 */ int res_h_errno;
/* 1708 | 4 */ int _vcsock;
/* 1712 | 4 */ unsigned int _flags;
/* XXX 4-byte hole */
/* 1720 | 56 */ union {
/* 52 */ char pad[52];
/* 56 */ struct {
/* 1720 | 2 */ uint16_t nscount;
/* 1722 | 6 */ uint16_t nsmap[3];
/* 1728 | 12 */ int nssocks[3];
/* 1740 | 2 */ uint16_t nscount6;
/* 1742 | 2 */ uint16_t nsinit;
/* 1744 | 24 */ struct sockaddr_in6 *nsaddrs[3];
/* 1768 | 8 */ unsigned long long __glibc_extension_index;
/* total size (bytes): 56 */
} _ext;
/* total size (bytes): 56 */
} _u;
/* total size (bytes): 568 */
} res;
/* 1776 | 128 */ sigset_t sigmask;
/* 1904 | 1 */ _Bool c11;
/* 1905 | 1 */ _Bool exiting;
/* XXX 2-byte hole */
/* 1908 | 4 */ int exit_lock;
/* 1912 | 16 */ struct tls_internal_t {
/* 1912 | 8 */ char *strsignal_buf;
/* 1920 | 8 */ char *strerror_l_buf;
/* total size (bytes): 16 */
} tls_state;
/* XXX 24-byte hole */
/* 1952 | 32 */ union {
/* 24 */ struct {
/* 1952 | 4 */ uint32_t cpu_id_start;
/* 1956 | 4 */ uint32_t cpu_id;
/* 1960 | 8 */ uint64_t rseq_cs;
/* 1968 | 4 */ uint32_t flags;
/* XXX 4-byte padding */
/* total size (bytes): 24 */
};
/* 32 */ char pad[32];
/* total size (bytes): 32 */
} rseq_area;
/* total size (bytes): 1984 */
}

568
ld-so-abi-i386.baseline Normal file
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@ -0,0 +1,568 @@
--- _rtld_global_ro ---
/* offset | size */ type = struct rtld_global_ro {
/* 0 | 4 */ int _dl_debug_mask;
/* 4 | 4 */ unsigned int _dl_osversion;
/* 8 | 4 */ const char *_dl_platform;
/* 12 | 4 */ size_t _dl_platformlen;
/* 16 | 4 */ size_t _dl_pagesize;
/* 20 | 4 */ size_t _dl_minsigstacksize;
/* 24 | 4 */ int _dl_inhibit_cache;
/* 28 | 8 */ struct r_scope_elem {
/* 28 | 4 */ struct link_map **r_list;
/* 32 | 4 */ unsigned int r_nlist;
/* total size (bytes): 8 */
} _dl_initial_searchlist;
/* 36 | 4 */ int _dl_clktck;
/* 40 | 4 */ int _dl_verbose;
/* 44 | 4 */ int _dl_debug_fd;
/* 48 | 4 */ int _dl_lazy;
/* 52 | 4 */ int _dl_bind_not;
/* 56 | 4 */ int _dl_dynamic_weak;
/* 60 | 2 */ fpu_control_t _dl_fpu_control;
/* XXX 2-byte hole */
/* 64 | 4 */ int _dl_correct_cache_id;
/* 68 | 8 */ uint64_t _dl_hwcap;
/* 76 | 4 */ Elf32_auxv_t *_dl_auxv;
/* 80 | 396 */ struct cpu_features {
/* 80 | 20 */ struct cpu_features_basic {
/* 80 | 4 */ enum cpu_features_kind kind;
/* 84 | 4 */ int max_cpuid;
/* 88 | 4 */ unsigned int family;
/* 92 | 4 */ unsigned int model;
/* 96 | 4 */ unsigned int stepping;
/* total size (bytes): 20 */
} basic;
/* 100 | 288 */ struct cpuid_feature_internal features[9];
/* 388 | 4 */ unsigned int preferred[1];
/* 392 | 4 */ unsigned int isa_1;
/* 396 | 4 */ unsigned long xsave_state_size;
/* 400 | 4 */ unsigned int xsave_state_full_size;
/* 404 | 4 */ unsigned long data_cache_size;
/* 408 | 4 */ unsigned long shared_cache_size;
/* 412 | 4 */ unsigned long non_temporal_threshold;
/* 416 | 4 */ unsigned long rep_movsb_threshold;
/* 420 | 4 */ unsigned long rep_movsb_stop_threshold;
/* 424 | 4 */ unsigned long rep_stosb_threshold;
/* 428 | 4 */ unsigned long level1_icache_size;
/* 432 | 4 */ unsigned long level1_icache_linesize;
/* 436 | 4 */ unsigned long level1_dcache_size;
/* 440 | 4 */ unsigned long level1_dcache_assoc;
/* 444 | 4 */ unsigned long level1_dcache_linesize;
/* 448 | 4 */ unsigned long level2_cache_size;
/* 452 | 4 */ unsigned long level2_cache_assoc;
/* 456 | 4 */ unsigned long level2_cache_linesize;
/* 460 | 4 */ unsigned long level3_cache_size;
/* 464 | 4 */ unsigned long level3_cache_assoc;
/* 468 | 4 */ unsigned long level3_cache_linesize;
/* 472 | 4 */ unsigned long level4_cache_size;
/* total size (bytes): 396 */
} _dl_x86_cpu_features;
/* 476 | 27 */ const char _dl_x86_hwcap_flags[3][9];
/* 503 | 36 */ const char _dl_x86_platforms[4][9];
/* 539 | 256 */ const char _dl_x86_cap_flags[32][8];
/* XXX 1-byte hole */
/* 796 | 4 */ const char *_dl_inhibit_rpath;
/* 800 | 4 */ const char *_dl_origin_path;
/* 804 | 4 */ Elf32_Addr _dl_use_load_bias;
/* 808 | 4 */ size_t _dl_tls_static_size;
/* 812 | 4 */ size_t _dl_tls_static_align;
/* 816 | 4 */ size_t _dl_tls_static_surplus;
/* 820 | 4 */ const char *_dl_profile;
/* 824 | 4 */ const char *_dl_profile_output;
/* 828 | 4 */ const char *_dl_trace_prelink;
/* 832 | 4 */ struct link_map *_dl_trace_prelink_map;
/* 836 | 4 */ struct r_search_path_elem *_dl_init_all_dirs;
/* 840 | 4 */ uintptr_t _dl_sysinfo;
/* 844 | 4 */ const Elf32_Ehdr *_dl_sysinfo_dso;
/* 848 | 4 */ struct link_map *_dl_sysinfo_map;
/* 852 | 4 */ int (*_dl_vdso_clock_gettime)(clockid_t, struct timespec *);
/* 856 | 4 */ int (*_dl_vdso_clock_gettime64)(clockid_t, struct __timespec64 *);
/* 860 | 4 */ int (*_dl_vdso_gettimeofday)(struct timeval *, void *);
/* 864 | 4 */ time_t (*_dl_vdso_time)(time_t *);
/* 868 | 4 */ int (*_dl_vdso_clock_getres)(clockid_t, struct timespec *);
/* 872 | 8 */ uint64_t _dl_hwcap2;
/* 880 | 4 */ enum dso_sort_algorithm _dl_dso_sort_algo;
/* 884 | 4 */ void (*_dl_debug_printf)(const char *, ...);
/* 888 | 4 */ void (*_dl_mcount)(Elf32_Addr, Elf32_Addr);
/* 892 | 4 */ lookup_t (*_dl_lookup_symbol_x)(const char *, struct link_map *, const Elf32_Sym **, struct r_scope_elem **, const struct r_found_version *, int, int, struct link_map *);
/* 896 | 4 */ void *(*_dl_open)(const char *, int, const void *, Lmid_t, int, char **, char **);
/* 900 | 4 */ void (*_dl_close)(void *);
/* 904 | 4 */ int (*_dl_catch_error)(const char **, const char **, _Bool *, void (*)(void *), void *);
/* 908 | 4 */ void (*_dl_error_free)(void *);
/* 912 | 4 */ void *(*_dl_tls_get_addr_soft)(struct link_map *);
/* 916 | 4 */ int (*_dl_discover_osversion)(void);
/* 920 | 4 */ const struct dlfcn_hook *_dl_dlfcn_hook;
/* 924 | 4 */ struct audit_ifaces *_dl_audit;
/* 928 | 4 */ unsigned int _dl_naudit;
/* total size (bytes): 932 */
}
--- _rtld_global ---
/* offset | size */ type = struct rtld_global {
/* 0 | 1344 */ struct link_namespaces _dl_ns[16];
/* 1344 | 4 */ size_t _dl_nns;
/* 1348 | 24 */ __rtld_lock_recursive_t _dl_load_lock;
/* 1372 | 24 */ __rtld_lock_recursive_t _dl_load_write_lock;
/* 1396 | 24 */ __rtld_lock_recursive_t _dl_load_tls_lock;
/* 1420 | 8 */ unsigned long long _dl_load_adds;
/* 1428 | 4 */ struct link_map *_dl_initfirst;
/* 1432 | 4 */ struct link_map *_dl_profile_map;
/* 1436 | 4 */ unsigned long _dl_num_relocations;
/* 1440 | 4 */ unsigned long _dl_num_cache_relocations;
/* 1444 | 4 */ struct r_search_path_elem *_dl_all_dirs;
/* 1448 | 620 */ struct link_map {
/* 1448 | 4 */ Elf32_Addr l_addr;
/* 1452 | 4 */ char *l_name;
/* 1456 | 4 */ Elf32_Dyn *l_ld;
/* 1460 | 4 */ struct link_map *l_next;
/* 1464 | 4 */ struct link_map *l_prev;
/* 1468 | 4 */ struct link_map *l_real;
/* 1472 | 4 */ Lmid_t l_ns;
/* 1476 | 4 */ struct libname_list *l_libname;
/* 1480 | 308 */ Elf32_Dyn *l_info[77];
/* 1788 | 4 */ const Elf32_Phdr *l_phdr;
/* 1792 | 4 */ Elf32_Addr l_entry;
/* 1796 | 2 */ Elf32_Half l_phnum;
/* 1798 | 2 */ Elf32_Half l_ldnum;
/* 1800 | 8 */ struct r_scope_elem {
/* 1800 | 4 */ struct link_map **r_list;
/* 1804 | 4 */ unsigned int r_nlist;
/* total size (bytes): 8 */
} l_searchlist;
/* 1808 | 8 */ struct r_scope_elem {
/* 1808 | 4 */ struct link_map **r_list;
/* 1812 | 4 */ unsigned int r_nlist;
/* total size (bytes): 8 */
} l_symbolic_searchlist;
/* 1816 | 4 */ struct link_map *l_loader;
/* 1820 | 4 */ struct r_found_version *l_versions;
/* 1824 | 4 */ unsigned int l_nversions;
/* 1828 | 4 */ Elf_Symndx l_nbuckets;
/* 1832 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 1836 | 4 */ Elf32_Word l_gnu_shift;
/* 1840 | 4 */ const Elf32_Addr *l_gnu_bitmask;
/* 1844 | 4 */ union {
/* 4 */ const Elf32_Word *l_gnu_buckets;
/* 4 */ const Elf_Symndx *l_chain;
/* total size (bytes): 4 */
};
/* 1848 | 4 */ union {
/* 4 */ const Elf32_Word *l_gnu_chain_zero;
/* 4 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 4 */
};
/* 1852 | 4 */ unsigned int l_direct_opencount;
/* 1856: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 1856: 2 | 4 */ unsigned int l_relocated : 1;
/* 1856: 3 | 4 */ unsigned int l_init_called : 1;
/* 1856: 4 | 4 */ unsigned int l_global : 1;
/* 1856: 5 | 4 */ unsigned int l_reserved : 2;
/* 1856: 7 | 4 */ unsigned int l_main_map : 1;
/* 1857: 0 | 4 */ unsigned int l_visited : 1;
/* 1857: 1 | 4 */ unsigned int l_map_used : 1;
/* 1857: 2 | 4 */ unsigned int l_map_done : 1;
/* 1857: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 1857: 4 | 4 */ unsigned int l_soname_added : 1;
/* 1857: 5 | 4 */ unsigned int l_faked : 1;
/* 1857: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 1857: 7 | 4 */ unsigned int l_auditing : 1;
/* 1858: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 1858: 1 | 4 */ unsigned int l_removed : 1;
/* 1858: 2 | 4 */ unsigned int l_contiguous : 1;
/* 1858: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 1858: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 1858: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 1858: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 1858: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 1859 | 1 */ _Bool l_nodelete_active;
/* 1860 | 1 */ _Bool l_nodelete_pending;
/* 1861: 0 | 4 */ enum {lc_property_unknown, lc_property_none, lc_property_valid} l_property : 2;
/* XXX 6-bit hole */
/* XXX 2-byte hole */
/* 1864 | 4 */ unsigned int l_x86_feature_1_and;
/* 1868 | 4 */ unsigned int l_x86_isa_1_needed;
/* 1872 | 8 */ struct r_search_path_struct {
/* 1872 | 4 */ struct r_search_path_elem **dirs;
/* 1876 | 4 */ int malloced;
/* total size (bytes): 8 */
} l_rpath_dirs;
/* 1880 | 4 */ struct reloc_result *l_reloc_result;
/* 1884 | 4 */ Elf32_Versym *l_versyms;
/* 1888 | 4 */ const char *l_origin;
/* 1892 | 4 */ Elf32_Addr l_map_start;
/* 1896 | 4 */ Elf32_Addr l_map_end;
/* 1900 | 4 */ Elf32_Addr l_text_end;
/* 1904 | 16 */ struct r_scope_elem *l_scope_mem[4];
/* 1920 | 4 */ size_t l_scope_max;
/* 1924 | 4 */ struct r_scope_elem **l_scope;
/* 1928 | 8 */ struct r_scope_elem *l_local_scope[2];
/* 1936 | 16 */ struct r_file_id {
/* 1936 | 8 */ dev_t dev;
/* 1944 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 1952 | 8 */ struct r_search_path_struct {
/* 1952 | 4 */ struct r_search_path_elem **dirs;
/* 1956 | 4 */ int malloced;
/* total size (bytes): 8 */
} l_runpath_dirs;
/* 1960 | 4 */ struct link_map **l_initfini;
/* 1964 | 4 */ struct link_map_reldeps *l_reldeps;
/* 1968 | 4 */ unsigned int l_reldepsmax;
/* 1972 | 4 */ unsigned int l_used;
/* 1976 | 4 */ Elf32_Word l_feature_1;
/* 1980 | 4 */ Elf32_Word l_flags_1;
/* 1984 | 4 */ Elf32_Word l_flags;
/* 1988 | 4 */ int l_idx;
/* 1992 | 12 */ struct link_map_machine {
/* 1992 | 4 */ Elf32_Addr plt;
/* 1996 | 4 */ Elf32_Addr gotplt;
/* 2000 | 4 */ void *tlsdesc_table;
/* total size (bytes): 12 */
} l_mach;
/* 2004 | 16 */ struct {
/* 2004 | 4 */ const Elf32_Sym *sym;
/* 2008 | 4 */ int type_class;
/* 2012 | 4 */ struct link_map *value;
/* 2016 | 4 */ const Elf32_Sym *ret;
/* total size (bytes): 16 */
} l_lookup_cache;
/* 2020 | 4 */ void *l_tls_initimage;
/* 2024 | 4 */ size_t l_tls_initimage_size;
/* 2028 | 4 */ size_t l_tls_blocksize;
/* 2032 | 4 */ size_t l_tls_align;
/* 2036 | 4 */ size_t l_tls_firstbyte_offset;
/* 2040 | 4 */ ptrdiff_t l_tls_offset;
/* 2044 | 4 */ size_t l_tls_modid;
/* 2048 | 4 */ size_t l_tls_dtor_count;
/* 2052 | 4 */ Elf32_Addr l_relro_addr;
/* 2056 | 4 */ size_t l_relro_size;
/* 2060 | 8 */ unsigned long long l_serial;
/* total size (bytes): 620 */
} _dl_rtld_map;
/* 2068 | 128 */ struct auditstate _dl_rtld_auditstate[16];
/* 2196 | 4 */ unsigned int _dl_x86_feature_1;
/* 2200 | 4 */ struct dl_x86_feature_control {
/* 2200: 0 | 4 */ enum dl_x86_cet_control ibt : 2;
/* 2200: 2 | 4 */ enum dl_x86_cet_control shstk : 2;
/* XXX 4-bit padding */
/* XXX 3-byte padding */
/* total size (bytes): 4 */
} _dl_x86_feature_control;
/* 2204 | 4 */ Elf32_Word _dl_stack_flags;
/* 2208 | 1 */ _Bool _dl_tls_dtv_gaps;
/* XXX 3-byte hole */
/* 2212 | 4 */ size_t _dl_tls_max_dtv_idx;
/* 2216 | 4 */ struct dtv_slotinfo_list *_dl_tls_dtv_slotinfo_list;
/* 2220 | 4 */ size_t _dl_tls_static_nelem;
/* 2224 | 4 */ size_t _dl_tls_static_used;
/* 2228 | 4 */ size_t _dl_tls_static_optional;
/* 2232 | 4 */ void *_dl_initial_dtv;
/* 2236 | 4 */ size_t _dl_tls_generation;
/* 2240 | 4 */ struct dl_scope_free_list *_dl_scope_free_list;
/* 2244 | 8 */ list_t _dl_stack_used;
/* 2252 | 8 */ list_t _dl_stack_user;
/* 2260 | 8 */ list_t _dl_stack_cache;
/* 2268 | 4 */ size_t _dl_stack_cache_actsize;
/* 2272 | 4 */ uintptr_t _dl_in_flight_stack;
/* 2276 | 4 */ int _dl_stack_cache_lock;
/* total size (bytes): 2280 */
}
--- struct link_map ---
/* offset | size */ type = struct link_map {
/* 0 | 4 */ Elf32_Addr l_addr;
/* 4 | 4 */ char *l_name;
/* 8 | 4 */ Elf32_Dyn *l_ld;
/* 12 | 4 */ struct link_map *l_next;
/* 16 | 4 */ struct link_map *l_prev;
/* 20 | 4 */ struct link_map *l_real;
/* 24 | 4 */ Lmid_t l_ns;
/* 28 | 4 */ struct libname_list *l_libname;
/* 32 | 308 */ Elf32_Dyn *l_info[77];
/* 340 | 4 */ const Elf32_Phdr *l_phdr;
/* 344 | 4 */ Elf32_Addr l_entry;
/* 348 | 2 */ Elf32_Half l_phnum;
/* 350 | 2 */ Elf32_Half l_ldnum;
/* 352 | 8 */ struct r_scope_elem {
/* 352 | 4 */ struct link_map **r_list;
/* 356 | 4 */ unsigned int r_nlist;
/* total size (bytes): 8 */
} l_searchlist;
/* 360 | 8 */ struct r_scope_elem {
/* 360 | 4 */ struct link_map **r_list;
/* 364 | 4 */ unsigned int r_nlist;
/* total size (bytes): 8 */
} l_symbolic_searchlist;
/* 368 | 4 */ struct link_map *l_loader;
/* 372 | 4 */ struct r_found_version *l_versions;
/* 376 | 4 */ unsigned int l_nversions;
/* 380 | 4 */ Elf_Symndx l_nbuckets;
/* 384 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 388 | 4 */ Elf32_Word l_gnu_shift;
/* 392 | 4 */ const Elf32_Addr *l_gnu_bitmask;
/* 396 | 4 */ union {
/* 4 */ const Elf32_Word *l_gnu_buckets;
/* 4 */ const Elf_Symndx *l_chain;
/* total size (bytes): 4 */
};
/* 400 | 4 */ union {
/* 4 */ const Elf32_Word *l_gnu_chain_zero;
/* 4 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 4 */
};
/* 404 | 4 */ unsigned int l_direct_opencount;
/* 408: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 408: 2 | 4 */ unsigned int l_relocated : 1;
/* 408: 3 | 4 */ unsigned int l_init_called : 1;
/* 408: 4 | 4 */ unsigned int l_global : 1;
/* 408: 5 | 4 */ unsigned int l_reserved : 2;
/* 408: 7 | 4 */ unsigned int l_main_map : 1;
/* 409: 0 | 4 */ unsigned int l_visited : 1;
/* 409: 1 | 4 */ unsigned int l_map_used : 1;
/* 409: 2 | 4 */ unsigned int l_map_done : 1;
/* 409: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 409: 4 | 4 */ unsigned int l_soname_added : 1;
/* 409: 5 | 4 */ unsigned int l_faked : 1;
/* 409: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 409: 7 | 4 */ unsigned int l_auditing : 1;
/* 410: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 410: 1 | 4 */ unsigned int l_removed : 1;
/* 410: 2 | 4 */ unsigned int l_contiguous : 1;
/* 410: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 410: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 410: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 410: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 410: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 411 | 1 */ _Bool l_nodelete_active;
/* 412 | 1 */ _Bool l_nodelete_pending;
/* 413: 0 | 4 */ enum {lc_property_unknown, lc_property_none, lc_property_valid} l_property : 2;
/* XXX 6-bit hole */
/* XXX 2-byte hole */
/* 416 | 4 */ unsigned int l_x86_feature_1_and;
/* 420 | 4 */ unsigned int l_x86_isa_1_needed;
/* 424 | 8 */ struct r_search_path_struct {
/* 424 | 4 */ struct r_search_path_elem **dirs;
/* 428 | 4 */ int malloced;
/* total size (bytes): 8 */
} l_rpath_dirs;
/* 432 | 4 */ struct reloc_result *l_reloc_result;
/* 436 | 4 */ Elf32_Versym *l_versyms;
/* 440 | 4 */ const char *l_origin;
/* 444 | 4 */ Elf32_Addr l_map_start;
/* 448 | 4 */ Elf32_Addr l_map_end;
/* 452 | 4 */ Elf32_Addr l_text_end;
/* 456 | 16 */ struct r_scope_elem *l_scope_mem[4];
/* 472 | 4 */ size_t l_scope_max;
/* 476 | 4 */ struct r_scope_elem **l_scope;
/* 480 | 8 */ struct r_scope_elem *l_local_scope[2];
/* 488 | 16 */ struct r_file_id {
/* 488 | 8 */ dev_t dev;
/* 496 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 504 | 8 */ struct r_search_path_struct {
/* 504 | 4 */ struct r_search_path_elem **dirs;
/* 508 | 4 */ int malloced;
/* total size (bytes): 8 */
} l_runpath_dirs;
/* 512 | 4 */ struct link_map **l_initfini;
/* 516 | 4 */ struct link_map_reldeps *l_reldeps;
/* 520 | 4 */ unsigned int l_reldepsmax;
/* 524 | 4 */ unsigned int l_used;
/* 528 | 4 */ Elf32_Word l_feature_1;
/* 532 | 4 */ Elf32_Word l_flags_1;
/* 536 | 4 */ Elf32_Word l_flags;
/* 540 | 4 */ int l_idx;
/* 544 | 12 */ struct link_map_machine {
/* 544 | 4 */ Elf32_Addr plt;
/* 548 | 4 */ Elf32_Addr gotplt;
/* 552 | 4 */ void *tlsdesc_table;
/* total size (bytes): 12 */
} l_mach;
/* 556 | 16 */ struct {
/* 556 | 4 */ const Elf32_Sym *sym;
/* 560 | 4 */ int type_class;
/* 564 | 4 */ struct link_map *value;
/* 568 | 4 */ const Elf32_Sym *ret;
/* total size (bytes): 16 */
} l_lookup_cache;
/* 572 | 4 */ void *l_tls_initimage;
/* 576 | 4 */ size_t l_tls_initimage_size;
/* 580 | 4 */ size_t l_tls_blocksize;
/* 584 | 4 */ size_t l_tls_align;
/* 588 | 4 */ size_t l_tls_firstbyte_offset;
/* 592 | 4 */ ptrdiff_t l_tls_offset;
/* 596 | 4 */ size_t l_tls_modid;
/* 600 | 4 */ size_t l_tls_dtor_count;
/* 604 | 4 */ Elf32_Addr l_relro_addr;
/* 608 | 4 */ size_t l_relro_size;
/* 612 | 8 */ unsigned long long l_serial;
/* total size (bytes): 620 */
}
--- struct pthread ---
/* offset | size */ type = struct pthread {
/* 0 | 96 */ union {
/* 56 */ tcbhead_t header;
/* 96 */ void *__padding[24];
/* total size (bytes): 96 */
};
/* 96 | 8 */ list_t list;
/* 104 | 4 */ pid_t tid;
/* 108 | 4 */ pid_t pid_ununsed;
/* 112 | 12 */ union {
/* 4 */ __pthread_slist_t robust_list;
/* 12 */ struct robust_list_head {
/* 112 | 4 */ void *list;
/* 116 | 4 */ long futex_offset;
/* 120 | 4 */ void *list_op_pending;
/* total size (bytes): 12 */
} robust_head;
/* total size (bytes): 12 */
};
/* 124 | 4 */ struct _pthread_cleanup_buffer *cleanup;
/* 128 | 4 */ struct pthread_unwind_buf *cleanup_jmp_buf;
/* 132 | 4 */ int cancelhandling;
/* 136 | 4 */ int flags;
/* 140 | 256 */ struct pthread_key_data specific_1stblock[32];
/* 396 | 128 */ struct pthread_key_data *specific[32];
/* 524 | 1 */ _Bool specific_used;
/* 525 | 1 */ _Bool report_events;
/* 526 | 1 */ _Bool user_stack;
/* 527 | 1 */ _Bool stopped_start;
/* 528 | 4 */ int setup_failed;
/* 532 | 4 */ int lock;
/* 536 | 4 */ unsigned int setxid_futex;
/* 540 | 8 */ hp_timing_t cpuclock_offset_ununsed;
/* 548 | 4 */ struct pthread *joinid;
/* 552 | 4 */ void *result;
/* 556 | 4 */ struct sched_param {
/* 556 | 4 */ int sched_priority;
/* total size (bytes): 4 */
} schedparam;
/* 560 | 4 */ int schedpolicy;
/* 564 | 4 */ void *(*start_routine)(void *);
/* 568 | 4 */ void *arg;
/* 572 | 16 */ td_eventbuf_t eventbuf;
/* 588 | 4 */ struct pthread *nextevent;
/* 592 | 24 */ struct _Unwind_Exception {
/* 592 | 24 */ union {
/* 20 */ struct {
/* 592 | 8 */ _Unwind_Exception_Class exception_class;
/* 600 | 4 */ _Unwind_Exception_Cleanup_Fn exception_cleanup;
/* 604 | 4 */ _Unwind_Word private_1;
/* 608 | 4 */ _Unwind_Word private_2;
/* total size (bytes): 20 */
};
/* 8 */ _Unwind_Word unwind_exception_align[2];
/* total size (bytes): 24 */
};
/* total size (bytes): 24 */
} exc;
/* 616 | 4 */ void *stackblock;
/* 620 | 4 */ size_t stackblock_size;
/* 624 | 4 */ size_t guardsize;
/* 628 | 4 */ size_t reported_guardsize;
/* 632 | 4 */ struct priority_protection_data *tpp;
/* 636 | 512 */ struct __res_state {
/* 636 | 4 */ int retrans;
/* 640 | 4 */ int retry;
/* 644 | 4 */ unsigned long options;
/* 648 | 4 */ int nscount;
/* 652 | 48 */ struct sockaddr_in nsaddr_list[3];
/* 700 | 2 */ unsigned short id;
/* XXX 2-byte hole */
/* 704 | 28 */ char *dnsrch[7];
/* 732 | 256 */ char defdname[256];
/* 988 | 4 */ unsigned long pfcode;
/* 992: 0 | 4 */ unsigned int ndots : 4;
/* 992: 4 | 4 */ unsigned int nsort : 4;
/* 993: 0 | 4 */ unsigned int ipv6_unavail : 1;
/* 993: 1 | 4 */ unsigned int unused : 23;
/* 996 | 80 */ struct {
/* 0 | 4 */ struct in_addr addr;
/* 4 | 4 */ uint32_t mask;
} sort_list[10];
/* 1076 | 4 */ void *__glibc_unused_qhook;
/* 1080 | 4 */ void *__glibc_unused_rhook;
/* 1084 | 4 */ int res_h_errno;
/* 1088 | 4 */ int _vcsock;
/* 1092 | 4 */ unsigned int _flags;
/* 1096 | 52 */ union {
/* 52 */ char pad[52];
/* 44 */ struct {
/* 1096 | 2 */ uint16_t nscount;
/* 1098 | 6 */ uint16_t nsmap[3];
/* 1104 | 12 */ int nssocks[3];
/* 1116 | 2 */ uint16_t nscount6;
/* 1118 | 2 */ uint16_t nsinit;
/* 1120 | 12 */ struct sockaddr_in6 *nsaddrs[3];
/* 1132 | 8 */ unsigned long long __glibc_extension_index;
/* total size (bytes): 44 */
} _ext;
/* total size (bytes): 52 */
} _u;
/* total size (bytes): 512 */
} res;
/* 1148 | 128 */ sigset_t sigmask;
/* 1276 | 1 */ _Bool c11;
/* 1277 | 1 */ _Bool exiting;
/* XXX 2-byte hole */
/* 1280 | 4 */ int exit_lock;
/* 1284 | 8 */ struct tls_internal_t {
/* 1284 | 4 */ char *strsignal_buf;
/* 1288 | 4 */ char *strerror_l_buf;
/* total size (bytes): 8 */
} tls_state;
/* XXX 20-byte hole */
/* 1312 | 32 */ union {
/* 20 */ struct {
/* 1312 | 4 */ uint32_t cpu_id_start;
/* 1316 | 4 */ uint32_t cpu_id;
/* 1320 | 8 */ uint64_t rseq_cs;
/* 1328 | 4 */ uint32_t flags;
/* total size (bytes): 20 */
};
/* 32 */ char pad[32];
/* total size (bytes): 32 */
} rseq_area;
/* total size (bytes): 1344 */
}

539
ld-so-abi-ppc64le.baseline Normal file
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@ -0,0 +1,539 @@
--- _rtld_global_ro ---
/* offset | size */ type = struct rtld_global_ro {
/* 0 | 4 */ int _dl_debug_mask;
/* 4 | 4 */ unsigned int _dl_osversion;
/* 8 | 8 */ const char *_dl_platform;
/* 16 | 8 */ size_t _dl_platformlen;
/* 24 | 8 */ size_t _dl_pagesize;
/* 32 | 8 */ size_t _dl_minsigstacksize;
/* 40 | 4 */ int _dl_inhibit_cache;
/* XXX 4-byte hole */
/* 48 | 16 */ struct r_scope_elem {
/* 48 | 8 */ struct link_map **r_list;
/* 56 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} _dl_initial_searchlist;
/* 64 | 4 */ int _dl_clktck;
/* 68 | 4 */ int _dl_verbose;
/* 72 | 4 */ int _dl_debug_fd;
/* 76 | 4 */ int _dl_lazy;
/* 80 | 4 */ int _dl_bind_not;
/* 84 | 4 */ int _dl_dynamic_weak;
/* 88 | 4 */ fpu_control_t _dl_fpu_control;
/* 92 | 4 */ int _dl_correct_cache_id;
/* 96 | 8 */ uint64_t _dl_hwcap;
/* 104 | 8 */ Elf64_auxv_t *_dl_auxv;
/* 112 | 24 */ struct cpu_features {
/* 112 | 1 */ _Bool use_cached_memopt;
/* XXX 7-byte hole */
/* 120 | 8 */ unsigned long hwcap;
/* 128 | 8 */ unsigned long hwcap2;
/* total size (bytes): 24 */
} _dl_powerpc_cpu_features;
/* 136 | 960 */ const char _dl_powerpc_cap_flags[64][15];
/* 1096 | 4 */ int _dl_cache_line_size;
/* XXX 4-byte hole */
/* 1104 | 8 */ const char *_dl_inhibit_rpath;
/* 1112 | 8 */ const char *_dl_origin_path;
/* 1120 | 8 */ Elf64_Addr _dl_use_load_bias;
/* 1128 | 8 */ size_t _dl_tls_static_size;
/* 1136 | 8 */ size_t _dl_tls_static_align;
/* 1144 | 8 */ size_t _dl_tls_static_surplus;
/* 1152 | 8 */ const char *_dl_profile;
/* 1160 | 8 */ const char *_dl_profile_output;
/* 1168 | 8 */ const char *_dl_trace_prelink;
/* 1176 | 8 */ struct link_map *_dl_trace_prelink_map;
/* 1184 | 8 */ struct r_search_path_elem *_dl_init_all_dirs;
/* 1192 | 8 */ const Elf64_Ehdr *_dl_sysinfo_dso;
/* 1200 | 8 */ struct link_map *_dl_sysinfo_map;
/* 1208 | 8 */ int (*_dl_vdso_clock_gettime64)(clockid_t, struct timespec *);
/* 1216 | 8 */ int (*_dl_vdso_gettimeofday)(struct timeval *, void *);
/* 1224 | 8 */ time_t (*_dl_vdso_time)(time_t *);
/* 1232 | 8 */ int (*_dl_vdso_getcpu)(unsigned int *, unsigned int *, void *);
/* 1240 | 8 */ int (*_dl_vdso_clock_getres_time64)(clockid_t, struct timespec *);
/* 1248 | 8 */ uint64_t (*_dl_vdso_get_tbfreq)(void);
/* 1256 | 8 */ void *_dl_vdso_sigtramp_rt64;
/* 1264 | 8 */ uint64_t _dl_hwcap2;
/* 1272 | 4 */ enum dso_sort_algorithm _dl_dso_sort_algo;
/* XXX 4-byte hole */
/* 1280 | 8 */ void (*_dl_debug_printf)(const char *, ...);
/* 1288 | 8 */ void (*_dl_mcount)(Elf64_Addr, Elf64_Addr);
/* 1296 | 8 */ lookup_t (*_dl_lookup_symbol_x)(const char *, struct link_map *, const Elf64_Sym **, struct r_scope_elem **, const struct r_found_version *, int, int, struct link_map *);
/* 1304 | 8 */ void *(*_dl_open)(const char *, int, const void *, Lmid_t, int, char **, char **);
/* 1312 | 8 */ void (*_dl_close)(void *);
/* 1320 | 8 */ int (*_dl_catch_error)(const char **, const char **, _Bool *, void (*)(void *), void *);
/* 1328 | 8 */ void (*_dl_error_free)(void *);
/* 1336 | 8 */ void *(*_dl_tls_get_addr_soft)(struct link_map *);
/* 1344 | 8 */ int (*_dl_discover_osversion)(void);
/* 1352 | 8 */ const struct dlfcn_hook *_dl_dlfcn_hook;
/* 1360 | 8 */ struct audit_ifaces *_dl_audit;
/* 1368 | 4 */ unsigned int _dl_naudit;
/* XXX 4-byte padding */
/* total size (bytes): 1376 */
}
--- _rtld_global ---
/* offset | size */ type = struct rtld_global {
/* 0 | 2432 */ struct link_namespaces _dl_ns[16];
/* 2432 | 8 */ size_t _dl_nns;
/* 2440 | 40 */ __rtld_lock_recursive_t _dl_load_lock;
/* 2480 | 40 */ __rtld_lock_recursive_t _dl_load_write_lock;
/* 2520 | 40 */ __rtld_lock_recursive_t _dl_load_tls_lock;
/* 2560 | 8 */ unsigned long long _dl_load_adds;
/* 2568 | 8 */ struct link_map *_dl_initfirst;
/* 2576 | 8 */ struct link_map *_dl_profile_map;
/* 2584 | 8 */ unsigned long _dl_num_relocations;
/* 2592 | 8 */ unsigned long _dl_num_cache_relocations;
/* 2600 | 8 */ struct r_search_path_elem *_dl_all_dirs;
/* 2608 | 1160 */ struct link_map {
/* 2608 | 8 */ Elf64_Addr l_addr;
/* 2616 | 8 */ char *l_name;
/* 2624 | 8 */ Elf64_Dyn *l_ld;
/* 2632 | 8 */ struct link_map *l_next;
/* 2640 | 8 */ struct link_map *l_prev;
/* 2648 | 8 */ struct link_map *l_real;
/* 2656 | 8 */ Lmid_t l_ns;
/* 2664 | 8 */ struct libname_list *l_libname;
/* 2672 | 648 */ Elf64_Dyn *l_info[81];
/* 3320 | 8 */ const Elf64_Phdr *l_phdr;
/* 3328 | 8 */ Elf64_Addr l_entry;
/* 3336 | 2 */ Elf64_Half l_phnum;
/* 3338 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 3344 | 16 */ struct r_scope_elem {
/* 3344 | 8 */ struct link_map **r_list;
/* 3352 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 3360 | 16 */ struct r_scope_elem {
/* 3360 | 8 */ struct link_map **r_list;
/* 3368 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 3376 | 8 */ struct link_map *l_loader;
/* 3384 | 8 */ struct r_found_version *l_versions;
/* 3392 | 4 */ unsigned int l_nversions;
/* 3396 | 4 */ Elf_Symndx l_nbuckets;
/* 3400 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 3404 | 4 */ Elf32_Word l_gnu_shift;
/* 3408 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 3416 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 3424 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 3432 | 4 */ unsigned int l_direct_opencount;
/* 3436: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 3436: 2 | 4 */ unsigned int l_relocated : 1;
/* 3436: 3 | 4 */ unsigned int l_init_called : 1;
/* 3436: 4 | 4 */ unsigned int l_global : 1;
/* 3436: 5 | 4 */ unsigned int l_reserved : 2;
/* 3436: 7 | 4 */ unsigned int l_main_map : 1;
/* 3437: 0 | 4 */ unsigned int l_visited : 1;
/* 3437: 1 | 4 */ unsigned int l_map_used : 1;
/* 3437: 2 | 4 */ unsigned int l_map_done : 1;
/* 3437: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 3437: 4 | 4 */ unsigned int l_soname_added : 1;
/* 3437: 5 | 4 */ unsigned int l_faked : 1;
/* 3437: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 3437: 7 | 4 */ unsigned int l_auditing : 1;
/* 3438: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 3438: 1 | 4 */ unsigned int l_removed : 1;
/* 3438: 2 | 4 */ unsigned int l_contiguous : 1;
/* 3438: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 3438: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 3438: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 3438: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 3438: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 3439 | 1 */ _Bool l_nodelete_active;
/* 3440 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 3448 | 16 */ struct r_search_path_struct {
/* 3448 | 8 */ struct r_search_path_elem **dirs;
/* 3456 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 3464 | 8 */ struct reloc_result *l_reloc_result;
/* 3472 | 8 */ Elf64_Versym *l_versyms;
/* 3480 | 8 */ const char *l_origin;
/* 3488 | 8 */ Elf64_Addr l_map_start;
/* 3496 | 8 */ Elf64_Addr l_map_end;
/* 3504 | 8 */ Elf64_Addr l_text_end;
/* 3512 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 3544 | 8 */ size_t l_scope_max;
/* 3552 | 8 */ struct r_scope_elem **l_scope;
/* 3560 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 3576 | 16 */ struct r_file_id {
/* 3576 | 8 */ dev_t dev;
/* 3584 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 3592 | 16 */ struct r_search_path_struct {
/* 3592 | 8 */ struct r_search_path_elem **dirs;
/* 3600 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 3608 | 8 */ struct link_map **l_initfini;
/* 3616 | 8 */ struct link_map_reldeps *l_reldeps;
/* 3624 | 4 */ unsigned int l_reldepsmax;
/* 3628 | 4 */ unsigned int l_used;
/* 3632 | 4 */ Elf64_Word l_feature_1;
/* 3636 | 4 */ Elf64_Word l_flags_1;
/* 3640 | 4 */ Elf64_Word l_flags;
/* 3644 | 4 */ int l_idx;
/* 3648 | 0 */ struct link_map_machine {
<no data fields>
/* total size (bytes): 0 */
} l_mach;
/* 3648 | 32 */ struct {
/* 3648 | 8 */ const Elf64_Sym *sym;
/* 3656 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 3664 | 8 */ struct link_map *value;
/* 3672 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 3680 | 8 */ void *l_tls_initimage;
/* 3688 | 8 */ size_t l_tls_initimage_size;
/* 3696 | 8 */ size_t l_tls_blocksize;
/* 3704 | 8 */ size_t l_tls_align;
/* 3712 | 8 */ size_t l_tls_firstbyte_offset;
/* 3720 | 8 */ ptrdiff_t l_tls_offset;
/* 3728 | 8 */ size_t l_tls_modid;
/* 3736 | 8 */ size_t l_tls_dtor_count;
/* 3744 | 8 */ Elf64_Addr l_relro_addr;
/* 3752 | 8 */ size_t l_relro_size;
/* 3760 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1160 */
} _dl_rtld_map;
/* 3768 | 256 */ struct auditstate _dl_rtld_auditstate[16];
/* 4024 | 4 */ Elf64_Word _dl_stack_flags;
/* 4028 | 1 */ _Bool _dl_tls_dtv_gaps;
/* XXX 3-byte hole */
/* 4032 | 8 */ size_t _dl_tls_max_dtv_idx;
/* 4040 | 8 */ struct dtv_slotinfo_list *_dl_tls_dtv_slotinfo_list;
/* 4048 | 8 */ size_t _dl_tls_static_nelem;
/* 4056 | 8 */ size_t _dl_tls_static_used;
/* 4064 | 8 */ size_t _dl_tls_static_optional;
/* 4072 | 8 */ void *_dl_initial_dtv;
/* 4080 | 8 */ size_t _dl_tls_generation;
/* 4088 | 8 */ struct dl_scope_free_list *_dl_scope_free_list;
/* 4096 | 16 */ list_t _dl_stack_used;
/* 4112 | 16 */ list_t _dl_stack_user;
/* 4128 | 16 */ list_t _dl_stack_cache;
/* 4144 | 8 */ size_t _dl_stack_cache_actsize;
/* 4152 | 8 */ uintptr_t _dl_in_flight_stack;
/* 4160 | 4 */ int _dl_stack_cache_lock;
/* XXX 4-byte padding */
/* total size (bytes): 4168 */
}
--- struct link_map ---
/* offset | size */ type = struct link_map {
/* 0 | 8 */ Elf64_Addr l_addr;
/* 8 | 8 */ char *l_name;
/* 16 | 8 */ Elf64_Dyn *l_ld;
/* 24 | 8 */ struct link_map *l_next;
/* 32 | 8 */ struct link_map *l_prev;
/* 40 | 8 */ struct link_map *l_real;
/* 48 | 8 */ Lmid_t l_ns;
/* 56 | 8 */ struct libname_list *l_libname;
/* 64 | 648 */ Elf64_Dyn *l_info[81];
/* 712 | 8 */ const Elf64_Phdr *l_phdr;
/* 720 | 8 */ Elf64_Addr l_entry;
/* 728 | 2 */ Elf64_Half l_phnum;
/* 730 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 736 | 16 */ struct r_scope_elem {
/* 736 | 8 */ struct link_map **r_list;
/* 744 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 752 | 16 */ struct r_scope_elem {
/* 752 | 8 */ struct link_map **r_list;
/* 760 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 768 | 8 */ struct link_map *l_loader;
/* 776 | 8 */ struct r_found_version *l_versions;
/* 784 | 4 */ unsigned int l_nversions;
/* 788 | 4 */ Elf_Symndx l_nbuckets;
/* 792 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 796 | 4 */ Elf32_Word l_gnu_shift;
/* 800 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 808 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 816 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 824 | 4 */ unsigned int l_direct_opencount;
/* 828: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 828: 2 | 4 */ unsigned int l_relocated : 1;
/* 828: 3 | 4 */ unsigned int l_init_called : 1;
/* 828: 4 | 4 */ unsigned int l_global : 1;
/* 828: 5 | 4 */ unsigned int l_reserved : 2;
/* 828: 7 | 4 */ unsigned int l_main_map : 1;
/* 829: 0 | 4 */ unsigned int l_visited : 1;
/* 829: 1 | 4 */ unsigned int l_map_used : 1;
/* 829: 2 | 4 */ unsigned int l_map_done : 1;
/* 829: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 829: 4 | 4 */ unsigned int l_soname_added : 1;
/* 829: 5 | 4 */ unsigned int l_faked : 1;
/* 829: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 829: 7 | 4 */ unsigned int l_auditing : 1;
/* 830: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 830: 1 | 4 */ unsigned int l_removed : 1;
/* 830: 2 | 4 */ unsigned int l_contiguous : 1;
/* 830: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 830: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 830: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 830: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 830: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 831 | 1 */ _Bool l_nodelete_active;
/* 832 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 840 | 16 */ struct r_search_path_struct {
/* 840 | 8 */ struct r_search_path_elem **dirs;
/* 848 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 856 | 8 */ struct reloc_result *l_reloc_result;
/* 864 | 8 */ Elf64_Versym *l_versyms;
/* 872 | 8 */ const char *l_origin;
/* 880 | 8 */ Elf64_Addr l_map_start;
/* 888 | 8 */ Elf64_Addr l_map_end;
/* 896 | 8 */ Elf64_Addr l_text_end;
/* 904 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 936 | 8 */ size_t l_scope_max;
/* 944 | 8 */ struct r_scope_elem **l_scope;
/* 952 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 968 | 16 */ struct r_file_id {
/* 968 | 8 */ dev_t dev;
/* 976 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 984 | 16 */ struct r_search_path_struct {
/* 984 | 8 */ struct r_search_path_elem **dirs;
/* 992 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 1000 | 8 */ struct link_map **l_initfini;
/* 1008 | 8 */ struct link_map_reldeps *l_reldeps;
/* 1016 | 4 */ unsigned int l_reldepsmax;
/* 1020 | 4 */ unsigned int l_used;
/* 1024 | 4 */ Elf64_Word l_feature_1;
/* 1028 | 4 */ Elf64_Word l_flags_1;
/* 1032 | 4 */ Elf64_Word l_flags;
/* 1036 | 4 */ int l_idx;
/* 1040 | 0 */ struct link_map_machine {
<no data fields>
/* total size (bytes): 0 */
} l_mach;
/* 1040 | 32 */ struct {
/* 1040 | 8 */ const Elf64_Sym *sym;
/* 1048 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 1056 | 8 */ struct link_map *value;
/* 1064 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 1072 | 8 */ void *l_tls_initimage;
/* 1080 | 8 */ size_t l_tls_initimage_size;
/* 1088 | 8 */ size_t l_tls_blocksize;
/* 1096 | 8 */ size_t l_tls_align;
/* 1104 | 8 */ size_t l_tls_firstbyte_offset;
/* 1112 | 8 */ ptrdiff_t l_tls_offset;
/* 1120 | 8 */ size_t l_tls_modid;
/* 1128 | 8 */ size_t l_tls_dtor_count;
/* 1136 | 8 */ Elf64_Addr l_relro_addr;
/* 1144 | 8 */ size_t l_relro_size;
/* 1152 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1160 */
}
--- struct pthread ---
/* offset | size */ type = struct pthread {
/* 0 | 192 */ union {
/* 8 */ struct {
/* 0 | 4 */ int multiple_threads;
/* 4 | 4 */ int gscope_flag;
/* total size (bytes): 8 */
} header;
/* 192 */ void *__padding[24];
/* total size (bytes): 192 */
};
/* 192 | 16 */ list_t list;
/* 208 | 4 */ pid_t tid;
/* 212 | 4 */ pid_t pid_ununsed;
/* 216 | 8 */ void *robust_prev;
/* 224 | 24 */ struct robust_list_head {
/* 224 | 8 */ void *list;
/* 232 | 8 */ long futex_offset;
/* 240 | 8 */ void *list_op_pending;
/* total size (bytes): 24 */
} robust_head;
/* 248 | 8 */ struct _pthread_cleanup_buffer *cleanup;
/* 256 | 8 */ struct pthread_unwind_buf *cleanup_jmp_buf;
/* 264 | 4 */ int cancelhandling;
/* 268 | 4 */ int flags;
/* 272 | 512 */ struct pthread_key_data specific_1stblock[32];
/* 784 | 256 */ struct pthread_key_data *specific[32];
/* 1040 | 1 */ _Bool specific_used;
/* 1041 | 1 */ _Bool report_events;
/* 1042 | 1 */ _Bool user_stack;
/* 1043 | 1 */ _Bool stopped_start;
/* 1044 | 4 */ int setup_failed;
/* 1048 | 4 */ int lock;
/* 1052 | 4 */ unsigned int setxid_futex;
/* 1056 | 8 */ hp_timing_t cpuclock_offset_ununsed;
/* 1064 | 8 */ struct pthread *joinid;
/* 1072 | 8 */ void *result;
/* 1080 | 4 */ struct sched_param {
/* 1080 | 4 */ int sched_priority;
/* total size (bytes): 4 */
} schedparam;
/* 1084 | 4 */ int schedpolicy;
/* 1088 | 8 */ void *(*start_routine)(void *);
/* 1096 | 8 */ void *arg;
/* 1104 | 24 */ td_eventbuf_t eventbuf;
/* 1128 | 8 */ struct pthread *nextevent;
/* 1136 | 32 */ struct _Unwind_Exception {
/* 1136 | 32 */ union {
/* 32 */ struct {
/* 1136 | 8 */ _Unwind_Exception_Class exception_class;
/* 1144 | 8 */ _Unwind_Exception_Cleanup_Fn exception_cleanup;
/* 1152 | 8 */ _Unwind_Word private_1;
/* 1160 | 8 */ _Unwind_Word private_2;
/* total size (bytes): 32 */
};
/* 16 */ _Unwind_Word unwind_exception_align[2];
/* total size (bytes): 32 */
};
/* total size (bytes): 32 */
} exc;
/* 1168 | 8 */ void *stackblock;
/* 1176 | 8 */ size_t stackblock_size;
/* 1184 | 8 */ size_t guardsize;
/* 1192 | 8 */ size_t reported_guardsize;
/* 1200 | 8 */ struct priority_protection_data *tpp;
/* 1208 | 568 */ struct __res_state {
/* 1208 | 4 */ int retrans;
/* 1212 | 4 */ int retry;
/* 1216 | 8 */ unsigned long options;
/* 1224 | 4 */ int nscount;
/* 1228 | 48 */ struct sockaddr_in nsaddr_list[3];
/* 1276 | 2 */ unsigned short id;
/* XXX 2-byte hole */
/* 1280 | 56 */ char *dnsrch[7];
/* 1336 | 256 */ char defdname[256];
/* 1592 | 8 */ unsigned long pfcode;
/* 1600: 0 | 4 */ unsigned int ndots : 4;
/* 1600: 4 | 4 */ unsigned int nsort : 4;
/* 1601: 0 | 4 */ unsigned int ipv6_unavail : 1;
/* 1601: 1 | 4 */ unsigned int unused : 23;
/* 1604 | 80 */ struct {
/* 0 | 4 */ struct in_addr addr;
/* 4 | 4 */ uint32_t mask;
} sort_list[10];
/* XXX 4-byte hole */
/* 1688 | 8 */ void *__glibc_unused_qhook;
/* 1696 | 8 */ void *__glibc_unused_rhook;
/* 1704 | 4 */ int res_h_errno;
/* 1708 | 4 */ int _vcsock;
/* 1712 | 4 */ unsigned int _flags;
/* XXX 4-byte hole */
/* 1720 | 56 */ union {
/* 52 */ char pad[52];
/* 56 */ struct {
/* 1720 | 2 */ uint16_t nscount;
/* 1722 | 6 */ uint16_t nsmap[3];
/* 1728 | 12 */ int nssocks[3];
/* 1740 | 2 */ uint16_t nscount6;
/* 1742 | 2 */ uint16_t nsinit;
/* 1744 | 24 */ struct sockaddr_in6 *nsaddrs[3];
/* 1768 | 8 */ unsigned long long __glibc_extension_index;
/* total size (bytes): 56 */
} _ext;
/* total size (bytes): 56 */
} _u;
/* total size (bytes): 568 */
} res;
/* 1776 | 128 */ sigset_t sigmask;
/* 1904 | 1 */ _Bool c11;
/* 1905 | 1 */ _Bool exiting;
/* XXX 2-byte hole */
/* 1908 | 4 */ int exit_lock;
/* 1912 | 16 */ struct tls_internal_t {
/* 1912 | 8 */ char *strsignal_buf;
/* 1920 | 8 */ char *strerror_l_buf;
/* total size (bytes): 16 */
} tls_state;
/* XXX 24-byte hole */
/* 1952 | 32 */ union {
/* 24 */ struct {
/* 1952 | 4 */ uint32_t cpu_id_start;
/* 1956 | 4 */ uint32_t cpu_id;
/* 1960 | 8 */ uint64_t rseq_cs;
/* 1968 | 4 */ uint32_t flags;
/* XXX 4-byte padding */
/* total size (bytes): 24 */
};
/* 32 */ char pad[32];
/* total size (bytes): 32 */
} rseq_area;
/* total size (bytes): 1984 */
}

532
ld-so-abi-s390x.baseline Normal file
View File

@ -0,0 +1,532 @@
--- _rtld_global_ro ---
/* offset | size */ type = struct rtld_global_ro {
/* 0 | 4 */ int _dl_debug_mask;
/* 4 | 4 */ unsigned int _dl_osversion;
/* 8 | 8 */ const char *_dl_platform;
/* 16 | 8 */ size_t _dl_platformlen;
/* 24 | 8 */ size_t _dl_pagesize;
/* 32 | 8 */ size_t _dl_minsigstacksize;
/* 40 | 4 */ int _dl_inhibit_cache;
/* XXX 4-byte hole */
/* 48 | 16 */ struct r_scope_elem {
/* 48 | 8 */ struct link_map **r_list;
/* 56 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} _dl_initial_searchlist;
/* 64 | 4 */ int _dl_clktck;
/* 68 | 4 */ int _dl_verbose;
/* 72 | 4 */ int _dl_debug_fd;
/* 76 | 4 */ int _dl_lazy;
/* 80 | 4 */ int _dl_bind_not;
/* 84 | 4 */ int _dl_dynamic_weak;
/* 88 | 4 */ fpu_control_t _dl_fpu_control;
/* 92 | 4 */ int _dl_correct_cache_id;
/* 96 | 8 */ uint64_t _dl_hwcap;
/* 104 | 8 */ Elf64_auxv_t *_dl_auxv;
/* 112 | 128 */ struct cpu_features {
/* 112 | 8 */ unsigned long hwcap;
/* 120 | 8 */ unsigned long __reserved_hwcap2;
/* 128 | 24 */ unsigned long long stfle_bits[3];
/* 152 | 88 */ unsigned long long __reserved[11];
/* total size (bytes): 128 */
} _dl_s390_cpu_features;
/* 240 | 8 */ const char *_dl_inhibit_rpath;
/* 248 | 8 */ const char *_dl_origin_path;
/* 256 | 8 */ Elf64_Addr _dl_use_load_bias;
/* 264 | 8 */ size_t _dl_tls_static_size;
/* 272 | 8 */ size_t _dl_tls_static_align;
/* 280 | 8 */ size_t _dl_tls_static_surplus;
/* 288 | 8 */ const char *_dl_profile;
/* 296 | 8 */ const char *_dl_profile_output;
/* 304 | 8 */ const char *_dl_trace_prelink;
/* 312 | 8 */ struct link_map *_dl_trace_prelink_map;
/* 320 | 8 */ struct r_search_path_elem *_dl_init_all_dirs;
/* 328 | 8 */ const Elf64_Ehdr *_dl_sysinfo_dso;
/* 336 | 8 */ struct link_map *_dl_sysinfo_map;
/* 344 | 8 */ int (*_dl_vdso_clock_gettime64)(clockid_t, struct timespec *);
/* 352 | 8 */ int (*_dl_vdso_gettimeofday)(struct timeval *, void *);
/* 360 | 8 */ int (*_dl_vdso_getcpu)(unsigned int *, unsigned int *, void *);
/* 368 | 8 */ int (*_dl_vdso_clock_getres_time64)(clockid_t, struct timespec *);
/* 376 | 8 */ uint64_t _dl_hwcap2;
/* 384 | 4 */ enum dso_sort_algorithm _dl_dso_sort_algo;
/* XXX 4-byte hole */
/* 392 | 8 */ void (*_dl_debug_printf)(const char *, ...);
/* 400 | 8 */ void (*_dl_mcount)(Elf64_Addr, Elf64_Addr);
/* 408 | 8 */ lookup_t (*_dl_lookup_symbol_x)(const char *, struct link_map *, const Elf64_Sym **, struct r_scope_elem **, const struct r_found_version *, int, int, struct link_map *);
/* 416 | 8 */ void *(*_dl_open)(const char *, int, const void *, Lmid_t, int, char **, char **);
/* 424 | 8 */ void (*_dl_close)(void *);
/* 432 | 8 */ int (*_dl_catch_error)(const char **, const char **, _Bool *, void (*)(void *), void *);
/* 440 | 8 */ void (*_dl_error_free)(void *);
/* 448 | 8 */ void *(*_dl_tls_get_addr_soft)(struct link_map *);
/* 456 | 8 */ int (*_dl_discover_osversion)(void);
/* 464 | 8 */ const struct dlfcn_hook *_dl_dlfcn_hook;
/* 472 | 8 */ struct audit_ifaces *_dl_audit;
/* 480 | 4 */ unsigned int _dl_naudit;
/* XXX 4-byte padding */
/* total size (bytes): 488 */
}
--- _rtld_global ---
/* offset | size */ type = struct rtld_global {
/* 0 | 2432 */ struct link_namespaces _dl_ns[16];
/* 2432 | 8 */ size_t _dl_nns;
/* 2440 | 40 */ __rtld_lock_recursive_t _dl_load_lock;
/* 2480 | 40 */ __rtld_lock_recursive_t _dl_load_write_lock;
/* 2520 | 40 */ __rtld_lock_recursive_t _dl_load_tls_lock;
/* 2560 | 8 */ unsigned long long _dl_load_adds;
/* 2568 | 8 */ struct link_map *_dl_initfirst;
/* 2576 | 8 */ struct link_map *_dl_profile_map;
/* 2584 | 8 */ unsigned long _dl_num_relocations;
/* 2592 | 8 */ unsigned long _dl_num_cache_relocations;
/* 2600 | 8 */ struct r_search_path_elem *_dl_all_dirs;
/* 2608 | 1152 */ struct link_map {
/* 2608 | 8 */ Elf64_Addr l_addr;
/* 2616 | 8 */ char *l_name;
/* 2624 | 8 */ Elf64_Dyn *l_ld;
/* 2632 | 8 */ struct link_map *l_next;
/* 2640 | 8 */ struct link_map *l_prev;
/* 2648 | 8 */ struct link_map *l_real;
/* 2656 | 8 */ Lmid_t l_ns;
/* 2664 | 8 */ struct libname_list *l_libname;
/* 2672 | 616 */ Elf64_Dyn *l_info[77];
/* 3288 | 8 */ const Elf64_Phdr *l_phdr;
/* 3296 | 8 */ Elf64_Addr l_entry;
/* 3304 | 2 */ Elf64_Half l_phnum;
/* 3306 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 3312 | 16 */ struct r_scope_elem {
/* 3312 | 8 */ struct link_map **r_list;
/* 3320 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 3328 | 16 */ struct r_scope_elem {
/* 3328 | 8 */ struct link_map **r_list;
/* 3336 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 3344 | 8 */ struct link_map *l_loader;
/* 3352 | 8 */ struct r_found_version *l_versions;
/* 3360 | 4 */ unsigned int l_nversions;
/* XXX 4-byte hole */
/* 3368 | 8 */ Elf_Symndx l_nbuckets;
/* 3376 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 3380 | 4 */ Elf32_Word l_gnu_shift;
/* 3384 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 3392 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 3400 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 3408 | 4 */ unsigned int l_direct_opencount;
/* 3412: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 3412: 2 | 4 */ unsigned int l_relocated : 1;
/* 3412: 3 | 4 */ unsigned int l_init_called : 1;
/* 3412: 4 | 4 */ unsigned int l_global : 1;
/* 3412: 5 | 4 */ unsigned int l_reserved : 2;
/* 3412: 7 | 4 */ unsigned int l_main_map : 1;
/* 3413: 0 | 4 */ unsigned int l_visited : 1;
/* 3413: 1 | 4 */ unsigned int l_map_used : 1;
/* 3413: 2 | 4 */ unsigned int l_map_done : 1;
/* 3413: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 3413: 4 | 4 */ unsigned int l_soname_added : 1;
/* 3413: 5 | 4 */ unsigned int l_faked : 1;
/* 3413: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 3413: 7 | 4 */ unsigned int l_auditing : 1;
/* 3414: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 3414: 1 | 4 */ unsigned int l_removed : 1;
/* 3414: 2 | 4 */ unsigned int l_contiguous : 1;
/* 3414: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 3414: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 3414: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 3414: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 3414: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 3415 | 1 */ _Bool l_nodelete_active;
/* 3416 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 3424 | 16 */ struct r_search_path_struct {
/* 3424 | 8 */ struct r_search_path_elem **dirs;
/* 3432 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 3440 | 8 */ struct reloc_result *l_reloc_result;
/* 3448 | 8 */ Elf64_Versym *l_versyms;
/* 3456 | 8 */ const char *l_origin;
/* 3464 | 8 */ Elf64_Addr l_map_start;
/* 3472 | 8 */ Elf64_Addr l_map_end;
/* 3480 | 8 */ Elf64_Addr l_text_end;
/* 3488 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 3520 | 8 */ size_t l_scope_max;
/* 3528 | 8 */ struct r_scope_elem **l_scope;
/* 3536 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 3552 | 16 */ struct r_file_id {
/* 3552 | 8 */ dev_t dev;
/* 3560 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 3568 | 16 */ struct r_search_path_struct {
/* 3568 | 8 */ struct r_search_path_elem **dirs;
/* 3576 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 3584 | 8 */ struct link_map **l_initfini;
/* 3592 | 8 */ struct link_map_reldeps *l_reldeps;
/* 3600 | 4 */ unsigned int l_reldepsmax;
/* 3604 | 4 */ unsigned int l_used;
/* 3608 | 4 */ Elf64_Word l_feature_1;
/* 3612 | 4 */ Elf64_Word l_flags_1;
/* 3616 | 4 */ Elf64_Word l_flags;
/* 3620 | 4 */ int l_idx;
/* 3624 | 16 */ struct link_map_machine {
/* 3624 | 8 */ Elf64_Addr plt;
/* 3632 | 8 */ const Elf64_Rela *jmprel;
/* total size (bytes): 16 */
} l_mach;
/* 3640 | 32 */ struct {
/* 3640 | 8 */ const Elf64_Sym *sym;
/* 3648 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 3656 | 8 */ struct link_map *value;
/* 3664 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 3672 | 8 */ void *l_tls_initimage;
/* 3680 | 8 */ size_t l_tls_initimage_size;
/* 3688 | 8 */ size_t l_tls_blocksize;
/* 3696 | 8 */ size_t l_tls_align;
/* 3704 | 8 */ size_t l_tls_firstbyte_offset;
/* 3712 | 8 */ ptrdiff_t l_tls_offset;
/* 3720 | 8 */ size_t l_tls_modid;
/* 3728 | 8 */ size_t l_tls_dtor_count;
/* 3736 | 8 */ Elf64_Addr l_relro_addr;
/* 3744 | 8 */ size_t l_relro_size;
/* 3752 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1152 */
} _dl_rtld_map;
/* 3760 | 256 */ struct auditstate _dl_rtld_auditstate[16];
/* 4016 | 4 */ Elf64_Word _dl_stack_flags;
/* 4020 | 1 */ _Bool _dl_tls_dtv_gaps;
/* XXX 3-byte hole */
/* 4024 | 8 */ size_t _dl_tls_max_dtv_idx;
/* 4032 | 8 */ struct dtv_slotinfo_list *_dl_tls_dtv_slotinfo_list;
/* 4040 | 8 */ size_t _dl_tls_static_nelem;
/* 4048 | 8 */ size_t _dl_tls_static_used;
/* 4056 | 8 */ size_t _dl_tls_static_optional;
/* 4064 | 8 */ void *_dl_initial_dtv;
/* 4072 | 8 */ size_t _dl_tls_generation;
/* 4080 | 8 */ struct dl_scope_free_list *_dl_scope_free_list;
/* 4088 | 16 */ list_t _dl_stack_used;
/* 4104 | 16 */ list_t _dl_stack_user;
/* 4120 | 16 */ list_t _dl_stack_cache;
/* 4136 | 8 */ size_t _dl_stack_cache_actsize;
/* 4144 | 8 */ uintptr_t _dl_in_flight_stack;
/* 4152 | 4 */ int _dl_stack_cache_lock;
/* XXX 4-byte padding */
/* total size (bytes): 4160 */
}
--- struct link_map ---
/* offset | size */ type = struct link_map {
/* 0 | 8 */ Elf64_Addr l_addr;
/* 8 | 8 */ char *l_name;
/* 16 | 8 */ Elf64_Dyn *l_ld;
/* 24 | 8 */ struct link_map *l_next;
/* 32 | 8 */ struct link_map *l_prev;
/* 40 | 8 */ struct link_map *l_real;
/* 48 | 8 */ Lmid_t l_ns;
/* 56 | 8 */ struct libname_list *l_libname;
/* 64 | 616 */ Elf64_Dyn *l_info[77];
/* 680 | 8 */ const Elf64_Phdr *l_phdr;
/* 688 | 8 */ Elf64_Addr l_entry;
/* 696 | 2 */ Elf64_Half l_phnum;
/* 698 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 704 | 16 */ struct r_scope_elem {
/* 704 | 8 */ struct link_map **r_list;
/* 712 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 720 | 16 */ struct r_scope_elem {
/* 720 | 8 */ struct link_map **r_list;
/* 728 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 736 | 8 */ struct link_map *l_loader;
/* 744 | 8 */ struct r_found_version *l_versions;
/* 752 | 4 */ unsigned int l_nversions;
/* XXX 4-byte hole */
/* 760 | 8 */ Elf_Symndx l_nbuckets;
/* 768 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 772 | 4 */ Elf32_Word l_gnu_shift;
/* 776 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 784 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 792 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 800 | 4 */ unsigned int l_direct_opencount;
/* 804: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 804: 2 | 4 */ unsigned int l_relocated : 1;
/* 804: 3 | 4 */ unsigned int l_init_called : 1;
/* 804: 4 | 4 */ unsigned int l_global : 1;
/* 804: 5 | 4 */ unsigned int l_reserved : 2;
/* 804: 7 | 4 */ unsigned int l_main_map : 1;
/* 805: 0 | 4 */ unsigned int l_visited : 1;
/* 805: 1 | 4 */ unsigned int l_map_used : 1;
/* 805: 2 | 4 */ unsigned int l_map_done : 1;
/* 805: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 805: 4 | 4 */ unsigned int l_soname_added : 1;
/* 805: 5 | 4 */ unsigned int l_faked : 1;
/* 805: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 805: 7 | 4 */ unsigned int l_auditing : 1;
/* 806: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 806: 1 | 4 */ unsigned int l_removed : 1;
/* 806: 2 | 4 */ unsigned int l_contiguous : 1;
/* 806: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 806: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 806: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 806: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 806: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 807 | 1 */ _Bool l_nodelete_active;
/* 808 | 1 */ _Bool l_nodelete_pending;
/* XXX 7-byte hole */
/* 816 | 16 */ struct r_search_path_struct {
/* 816 | 8 */ struct r_search_path_elem **dirs;
/* 824 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 832 | 8 */ struct reloc_result *l_reloc_result;
/* 840 | 8 */ Elf64_Versym *l_versyms;
/* 848 | 8 */ const char *l_origin;
/* 856 | 8 */ Elf64_Addr l_map_start;
/* 864 | 8 */ Elf64_Addr l_map_end;
/* 872 | 8 */ Elf64_Addr l_text_end;
/* 880 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 912 | 8 */ size_t l_scope_max;
/* 920 | 8 */ struct r_scope_elem **l_scope;
/* 928 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 944 | 16 */ struct r_file_id {
/* 944 | 8 */ dev_t dev;
/* 952 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 960 | 16 */ struct r_search_path_struct {
/* 960 | 8 */ struct r_search_path_elem **dirs;
/* 968 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 976 | 8 */ struct link_map **l_initfini;
/* 984 | 8 */ struct link_map_reldeps *l_reldeps;
/* 992 | 4 */ unsigned int l_reldepsmax;
/* 996 | 4 */ unsigned int l_used;
/* 1000 | 4 */ Elf64_Word l_feature_1;
/* 1004 | 4 */ Elf64_Word l_flags_1;
/* 1008 | 4 */ Elf64_Word l_flags;
/* 1012 | 4 */ int l_idx;
/* 1016 | 16 */ struct link_map_machine {
/* 1016 | 8 */ Elf64_Addr plt;
/* 1024 | 8 */ const Elf64_Rela *jmprel;
/* total size (bytes): 16 */
} l_mach;
/* 1032 | 32 */ struct {
/* 1032 | 8 */ const Elf64_Sym *sym;
/* 1040 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 1048 | 8 */ struct link_map *value;
/* 1056 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 1064 | 8 */ void *l_tls_initimage;
/* 1072 | 8 */ size_t l_tls_initimage_size;
/* 1080 | 8 */ size_t l_tls_blocksize;
/* 1088 | 8 */ size_t l_tls_align;
/* 1096 | 8 */ size_t l_tls_firstbyte_offset;
/* 1104 | 8 */ ptrdiff_t l_tls_offset;
/* 1112 | 8 */ size_t l_tls_modid;
/* 1120 | 8 */ size_t l_tls_dtor_count;
/* 1128 | 8 */ Elf64_Addr l_relro_addr;
/* 1136 | 8 */ size_t l_relro_size;
/* 1144 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1152 */
}
--- struct pthread ---
/* offset | size */ type = struct pthread {
/* 0 | 192 */ union {
/* 64 */ tcbhead_t header;
/* 192 */ void *__padding[24];
/* total size (bytes): 192 */
};
/* 192 | 16 */ list_t list;
/* 208 | 4 */ pid_t tid;
/* 212 | 4 */ pid_t pid_ununsed;
/* 216 | 8 */ void *robust_prev;
/* 224 | 24 */ struct robust_list_head {
/* 224 | 8 */ void *list;
/* 232 | 8 */ long futex_offset;
/* 240 | 8 */ void *list_op_pending;
/* total size (bytes): 24 */
} robust_head;
/* 248 | 8 */ struct _pthread_cleanup_buffer *cleanup;
/* 256 | 8 */ struct pthread_unwind_buf *cleanup_jmp_buf;
/* 264 | 4 */ int cancelhandling;
/* 268 | 4 */ int flags;
/* 272 | 512 */ struct pthread_key_data specific_1stblock[32];
/* 784 | 256 */ struct pthread_key_data *specific[32];
/* 1040 | 1 */ _Bool specific_used;
/* 1041 | 1 */ _Bool report_events;
/* 1042 | 1 */ _Bool user_stack;
/* 1043 | 1 */ _Bool stopped_start;
/* 1044 | 4 */ int setup_failed;
/* 1048 | 4 */ int lock;
/* 1052 | 4 */ unsigned int setxid_futex;
/* 1056 | 8 */ hp_timing_t cpuclock_offset_ununsed;
/* 1064 | 8 */ struct pthread *joinid;
/* 1072 | 8 */ void *result;
/* 1080 | 4 */ struct sched_param {
/* 1080 | 4 */ int sched_priority;
/* total size (bytes): 4 */
} schedparam;
/* 1084 | 4 */ int schedpolicy;
/* 1088 | 8 */ void *(*start_routine)(void *);
/* 1096 | 8 */ void *arg;
/* 1104 | 24 */ td_eventbuf_t eventbuf;
/* 1128 | 8 */ struct pthread *nextevent;
/* 1136 | 32 */ struct _Unwind_Exception {
/* 1136 | 32 */ union {
/* 32 */ struct {
/* 1136 | 8 */ _Unwind_Exception_Class exception_class;
/* 1144 | 8 */ _Unwind_Exception_Cleanup_Fn exception_cleanup;
/* 1152 | 8 */ _Unwind_Word private_1;
/* 1160 | 8 */ _Unwind_Word private_2;
/* total size (bytes): 32 */
};
/* 16 */ _Unwind_Word unwind_exception_align[2];
/* total size (bytes): 32 */
};
/* total size (bytes): 32 */
} exc;
/* 1168 | 8 */ void *stackblock;
/* 1176 | 8 */ size_t stackblock_size;
/* 1184 | 8 */ size_t guardsize;
/* 1192 | 8 */ size_t reported_guardsize;
/* 1200 | 8 */ struct priority_protection_data *tpp;
/* 1208 | 568 */ struct __res_state {
/* 1208 | 4 */ int retrans;
/* 1212 | 4 */ int retry;
/* 1216 | 8 */ unsigned long options;
/* 1224 | 4 */ int nscount;
/* 1228 | 48 */ struct sockaddr_in nsaddr_list[3];
/* 1276 | 2 */ unsigned short id;
/* XXX 2-byte hole */
/* 1280 | 56 */ char *dnsrch[7];
/* 1336 | 256 */ char defdname[256];
/* 1592 | 8 */ unsigned long pfcode;
/* 1600: 0 | 4 */ unsigned int ndots : 4;
/* 1600: 4 | 4 */ unsigned int nsort : 4;
/* 1601: 0 | 4 */ unsigned int ipv6_unavail : 1;
/* 1601: 1 | 4 */ unsigned int unused : 23;
/* 1604 | 80 */ struct {
/* 0 | 4 */ struct in_addr addr;
/* 4 | 4 */ uint32_t mask;
} sort_list[10];
/* XXX 4-byte hole */
/* 1688 | 8 */ void *__glibc_unused_qhook;
/* 1696 | 8 */ void *__glibc_unused_rhook;
/* 1704 | 4 */ int res_h_errno;
/* 1708 | 4 */ int _vcsock;
/* 1712 | 4 */ unsigned int _flags;
/* XXX 4-byte hole */
/* 1720 | 56 */ union {
/* 52 */ char pad[52];
/* 56 */ struct {
/* 1720 | 2 */ uint16_t nscount;
/* 1722 | 6 */ uint16_t nsmap[3];
/* 1728 | 12 */ int nssocks[3];
/* 1740 | 2 */ uint16_t nscount6;
/* 1742 | 2 */ uint16_t nsinit;
/* 1744 | 24 */ struct sockaddr_in6 *nsaddrs[3];
/* 1768 | 8 */ unsigned long long __glibc_extension_index;
/* total size (bytes): 56 */
} _ext;
/* total size (bytes): 56 */
} _u;
/* total size (bytes): 568 */
} res;
/* 1776 | 128 */ sigset_t sigmask;
/* 1904 | 1 */ _Bool c11;
/* 1905 | 1 */ _Bool exiting;
/* XXX 2-byte hole */
/* 1908 | 4 */ int exit_lock;
/* 1912 | 16 */ struct tls_internal_t {
/* 1912 | 8 */ char *strsignal_buf;
/* 1920 | 8 */ char *strerror_l_buf;
/* total size (bytes): 16 */
} tls_state;
/* XXX 24-byte hole */
/* 1952 | 32 */ union {
/* 24 */ struct {
/* 1952 | 4 */ uint32_t cpu_id_start;
/* 1956 | 4 */ uint32_t cpu_id;
/* 1960 | 8 */ uint64_t rseq_cs;
/* 1968 | 4 */ uint32_t flags;
/* XXX 4-byte padding */
/* total size (bytes): 24 */
};
/* 32 */ char pad[32];
/* total size (bytes): 32 */
} rseq_area;
/* total size (bytes): 1984 */
}

586
ld-so-abi-x86_64.baseline Normal file
View File

@ -0,0 +1,586 @@
--- _rtld_global_ro ---
/* offset | size */ type = struct rtld_global_ro {
/* 0 | 4 */ int _dl_debug_mask;
/* 4 | 4 */ unsigned int _dl_osversion;
/* 8 | 8 */ const char *_dl_platform;
/* 16 | 8 */ size_t _dl_platformlen;
/* 24 | 8 */ size_t _dl_pagesize;
/* 32 | 8 */ size_t _dl_minsigstacksize;
/* 40 | 4 */ int _dl_inhibit_cache;
/* XXX 4-byte hole */
/* 48 | 16 */ struct r_scope_elem {
/* 48 | 8 */ struct link_map **r_list;
/* 56 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} _dl_initial_searchlist;
/* 64 | 4 */ int _dl_clktck;
/* 68 | 4 */ int _dl_verbose;
/* 72 | 4 */ int _dl_debug_fd;
/* 76 | 4 */ int _dl_lazy;
/* 80 | 4 */ int _dl_bind_not;
/* 84 | 4 */ int _dl_dynamic_weak;
/* 88 | 2 */ fpu_control_t _dl_fpu_control;
/* XXX 2-byte hole */
/* 92 | 4 */ int _dl_correct_cache_id;
/* 96 | 8 */ uint64_t _dl_hwcap;
/* 104 | 8 */ Elf64_auxv_t *_dl_auxv;
/* 112 | 480 */ struct cpu_features {
/* 112 | 20 */ struct cpu_features_basic {
/* 112 | 4 */ enum cpu_features_kind kind;
/* 116 | 4 */ int max_cpuid;
/* 120 | 4 */ unsigned int family;
/* 124 | 4 */ unsigned int model;
/* 128 | 4 */ unsigned int stepping;
/* total size (bytes): 20 */
} basic;
/* 132 | 288 */ struct cpuid_feature_internal features[9];
/* 420 | 4 */ unsigned int preferred[1];
/* 424 | 4 */ unsigned int isa_1;
/* XXX 4-byte hole */
/* 432 | 8 */ unsigned long xsave_state_size;
/* 440 | 4 */ unsigned int xsave_state_full_size;
/* XXX 4-byte hole */
/* 448 | 8 */ unsigned long data_cache_size;
/* 456 | 8 */ unsigned long shared_cache_size;
/* 464 | 8 */ unsigned long non_temporal_threshold;
/* 472 | 8 */ unsigned long rep_movsb_threshold;
/* 480 | 8 */ unsigned long rep_movsb_stop_threshold;
/* 488 | 8 */ unsigned long rep_stosb_threshold;
/* 496 | 8 */ unsigned long level1_icache_size;
/* 504 | 8 */ unsigned long level1_icache_linesize;
/* 512 | 8 */ unsigned long level1_dcache_size;
/* 520 | 8 */ unsigned long level1_dcache_assoc;
/* 528 | 8 */ unsigned long level1_dcache_linesize;
/* 536 | 8 */ unsigned long level2_cache_size;
/* 544 | 8 */ unsigned long level2_cache_assoc;
/* 552 | 8 */ unsigned long level2_cache_linesize;
/* 560 | 8 */ unsigned long level3_cache_size;
/* 568 | 8 */ unsigned long level3_cache_assoc;
/* 576 | 8 */ unsigned long level3_cache_linesize;
/* 584 | 8 */ unsigned long level4_cache_size;
/* total size (bytes): 480 */
} _dl_x86_cpu_features;
/* 592 | 27 */ const char _dl_x86_hwcap_flags[3][9];
/* 619 | 36 */ const char _dl_x86_platforms[4][9];
/* XXX 1-byte hole */
/* 656 | 8 */ const char *_dl_inhibit_rpath;
/* 664 | 8 */ const char *_dl_origin_path;
/* 672 | 8 */ Elf64_Addr _dl_use_load_bias;
/* 680 | 8 */ size_t _dl_tls_static_size;
/* 688 | 8 */ size_t _dl_tls_static_align;
/* 696 | 8 */ size_t _dl_tls_static_surplus;
/* 704 | 8 */ const char *_dl_profile;
/* 712 | 8 */ const char *_dl_profile_output;
/* 720 | 8 */ const char *_dl_trace_prelink;
/* 728 | 8 */ struct link_map *_dl_trace_prelink_map;
/* 736 | 8 */ struct r_search_path_elem *_dl_init_all_dirs;
/* 744 | 8 */ const Elf64_Ehdr *_dl_sysinfo_dso;
/* 752 | 8 */ struct link_map *_dl_sysinfo_map;
/* 760 | 8 */ int (*_dl_vdso_clock_gettime64)(clockid_t, struct timespec *);
/* 768 | 8 */ int (*_dl_vdso_gettimeofday)(struct timeval *, void *);
/* 776 | 8 */ time_t (*_dl_vdso_time)(time_t *);
/* 784 | 8 */ int (*_dl_vdso_getcpu)(unsigned int *, unsigned int *, void *);
/* 792 | 8 */ int (*_dl_vdso_clock_getres_time64)(clockid_t, struct timespec *);
/* 800 | 8 */ uint64_t _dl_hwcap2;
/* 808 | 4 */ enum dso_sort_algorithm _dl_dso_sort_algo;
/* XXX 4-byte hole */
/* 816 | 8 */ void (*_dl_debug_printf)(const char *, ...);
/* 824 | 8 */ void (*_dl_mcount)(Elf64_Addr, Elf64_Addr);
/* 832 | 8 */ lookup_t (*_dl_lookup_symbol_x)(const char *, struct link_map *, const Elf64_Sym **, struct r_scope_elem **, const struct r_found_version *, int, int, struct link_map *);
/* 840 | 8 */ void *(*_dl_open)(const char *, int, const void *, Lmid_t, int, char **, char **);
/* 848 | 8 */ void (*_dl_close)(void *);
/* 856 | 8 */ int (*_dl_catch_error)(const char **, const char **, _Bool *, void (*)(void *), void *);
/* 864 | 8 */ void (*_dl_error_free)(void *);
/* 872 | 8 */ void *(*_dl_tls_get_addr_soft)(struct link_map *);
/* 880 | 8 */ int (*_dl_discover_osversion)(void);
/* 888 | 8 */ const struct dlfcn_hook *_dl_dlfcn_hook;
/* 896 | 8 */ struct audit_ifaces *_dl_audit;
/* 904 | 4 */ unsigned int _dl_naudit;
/* XXX 4-byte padding */
/* total size (bytes): 912 */
}
--- _rtld_global ---
/* offset | size */ type = struct rtld_global {
/* 0 | 2432 */ struct link_namespaces _dl_ns[16];
/* 2432 | 8 */ size_t _dl_nns;
/* 2440 | 40 */ __rtld_lock_recursive_t _dl_load_lock;
/* 2480 | 40 */ __rtld_lock_recursive_t _dl_load_write_lock;
/* 2520 | 40 */ __rtld_lock_recursive_t _dl_load_tls_lock;
/* 2560 | 8 */ unsigned long long _dl_load_adds;
/* 2568 | 8 */ struct link_map *_dl_initfirst;
/* 2576 | 8 */ struct link_map *_dl_profile_map;
/* 2584 | 8 */ unsigned long _dl_num_relocations;
/* 2592 | 8 */ unsigned long _dl_num_cache_relocations;
/* 2600 | 8 */ struct r_search_path_elem *_dl_all_dirs;
/* 2608 | 1160 */ struct link_map {
/* 2608 | 8 */ Elf64_Addr l_addr;
/* 2616 | 8 */ char *l_name;
/* 2624 | 8 */ Elf64_Dyn *l_ld;
/* 2632 | 8 */ struct link_map *l_next;
/* 2640 | 8 */ struct link_map *l_prev;
/* 2648 | 8 */ struct link_map *l_real;
/* 2656 | 8 */ Lmid_t l_ns;
/* 2664 | 8 */ struct libname_list *l_libname;
/* 2672 | 616 */ Elf64_Dyn *l_info[77];
/* 3288 | 8 */ const Elf64_Phdr *l_phdr;
/* 3296 | 8 */ Elf64_Addr l_entry;
/* 3304 | 2 */ Elf64_Half l_phnum;
/* 3306 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 3312 | 16 */ struct r_scope_elem {
/* 3312 | 8 */ struct link_map **r_list;
/* 3320 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 3328 | 16 */ struct r_scope_elem {
/* 3328 | 8 */ struct link_map **r_list;
/* 3336 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 3344 | 8 */ struct link_map *l_loader;
/* 3352 | 8 */ struct r_found_version *l_versions;
/* 3360 | 4 */ unsigned int l_nversions;
/* 3364 | 4 */ Elf_Symndx l_nbuckets;
/* 3368 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 3372 | 4 */ Elf32_Word l_gnu_shift;
/* 3376 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 3384 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 3392 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 3400 | 4 */ unsigned int l_direct_opencount;
/* 3404: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 3404: 2 | 4 */ unsigned int l_relocated : 1;
/* 3404: 3 | 4 */ unsigned int l_init_called : 1;
/* 3404: 4 | 4 */ unsigned int l_global : 1;
/* 3404: 5 | 4 */ unsigned int l_reserved : 2;
/* 3404: 7 | 4 */ unsigned int l_main_map : 1;
/* 3405: 0 | 4 */ unsigned int l_visited : 1;
/* 3405: 1 | 4 */ unsigned int l_map_used : 1;
/* 3405: 2 | 4 */ unsigned int l_map_done : 1;
/* 3405: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 3405: 4 | 4 */ unsigned int l_soname_added : 1;
/* 3405: 5 | 4 */ unsigned int l_faked : 1;
/* 3405: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 3405: 7 | 4 */ unsigned int l_auditing : 1;
/* 3406: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 3406: 1 | 4 */ unsigned int l_removed : 1;
/* 3406: 2 | 4 */ unsigned int l_contiguous : 1;
/* 3406: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 3406: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 3406: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 3406: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 3406: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 3407 | 1 */ _Bool l_nodelete_active;
/* 3408 | 1 */ _Bool l_nodelete_pending;
/* 3409: 0 | 4 */ enum {lc_property_unknown, lc_property_none, lc_property_valid} l_property : 2;
/* XXX 6-bit hole */
/* XXX 2-byte hole */
/* 3412 | 4 */ unsigned int l_x86_feature_1_and;
/* 3416 | 4 */ unsigned int l_x86_isa_1_needed;
/* XXX 4-byte hole */
/* 3424 | 16 */ struct r_search_path_struct {
/* 3424 | 8 */ struct r_search_path_elem **dirs;
/* 3432 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 3440 | 8 */ struct reloc_result *l_reloc_result;
/* 3448 | 8 */ Elf64_Versym *l_versyms;
/* 3456 | 8 */ const char *l_origin;
/* 3464 | 8 */ Elf64_Addr l_map_start;
/* 3472 | 8 */ Elf64_Addr l_map_end;
/* 3480 | 8 */ Elf64_Addr l_text_end;
/* 3488 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 3520 | 8 */ size_t l_scope_max;
/* 3528 | 8 */ struct r_scope_elem **l_scope;
/* 3536 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 3552 | 16 */ struct r_file_id {
/* 3552 | 8 */ dev_t dev;
/* 3560 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 3568 | 16 */ struct r_search_path_struct {
/* 3568 | 8 */ struct r_search_path_elem **dirs;
/* 3576 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 3584 | 8 */ struct link_map **l_initfini;
/* 3592 | 8 */ struct link_map_reldeps *l_reldeps;
/* 3600 | 4 */ unsigned int l_reldepsmax;
/* 3604 | 4 */ unsigned int l_used;
/* 3608 | 4 */ Elf64_Word l_feature_1;
/* 3612 | 4 */ Elf64_Word l_flags_1;
/* 3616 | 4 */ Elf64_Word l_flags;
/* 3620 | 4 */ int l_idx;
/* 3624 | 24 */ struct link_map_machine {
/* 3624 | 8 */ Elf64_Addr plt;
/* 3632 | 8 */ Elf64_Addr gotplt;
/* 3640 | 8 */ void *tlsdesc_table;
/* total size (bytes): 24 */
} l_mach;
/* 3648 | 32 */ struct {
/* 3648 | 8 */ const Elf64_Sym *sym;
/* 3656 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 3664 | 8 */ struct link_map *value;
/* 3672 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 3680 | 8 */ void *l_tls_initimage;
/* 3688 | 8 */ size_t l_tls_initimage_size;
/* 3696 | 8 */ size_t l_tls_blocksize;
/* 3704 | 8 */ size_t l_tls_align;
/* 3712 | 8 */ size_t l_tls_firstbyte_offset;
/* 3720 | 8 */ ptrdiff_t l_tls_offset;
/* 3728 | 8 */ size_t l_tls_modid;
/* 3736 | 8 */ size_t l_tls_dtor_count;
/* 3744 | 8 */ Elf64_Addr l_relro_addr;
/* 3752 | 8 */ size_t l_relro_size;
/* 3760 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1160 */
} _dl_rtld_map;
/* 3768 | 256 */ struct auditstate _dl_rtld_auditstate[16];
/* 4024 | 4 */ unsigned int _dl_x86_feature_1;
/* 4028 | 4 */ struct dl_x86_feature_control {
/* 4028: 0 | 4 */ enum dl_x86_cet_control ibt : 2;
/* 4028: 2 | 4 */ enum dl_x86_cet_control shstk : 2;
/* XXX 4-bit padding */
/* XXX 3-byte padding */
/* total size (bytes): 4 */
} _dl_x86_feature_control;
/* 4032 | 4 */ Elf64_Word _dl_stack_flags;
/* 4036 | 1 */ _Bool _dl_tls_dtv_gaps;
/* XXX 3-byte hole */
/* 4040 | 8 */ size_t _dl_tls_max_dtv_idx;
/* 4048 | 8 */ struct dtv_slotinfo_list *_dl_tls_dtv_slotinfo_list;
/* 4056 | 8 */ size_t _dl_tls_static_nelem;
/* 4064 | 8 */ size_t _dl_tls_static_used;
/* 4072 | 8 */ size_t _dl_tls_static_optional;
/* 4080 | 8 */ void *_dl_initial_dtv;
/* 4088 | 8 */ size_t _dl_tls_generation;
/* 4096 | 8 */ struct dl_scope_free_list *_dl_scope_free_list;
/* 4104 | 16 */ list_t _dl_stack_used;
/* 4120 | 16 */ list_t _dl_stack_user;
/* 4136 | 16 */ list_t _dl_stack_cache;
/* 4152 | 8 */ size_t _dl_stack_cache_actsize;
/* 4160 | 8 */ uintptr_t _dl_in_flight_stack;
/* 4168 | 4 */ int _dl_stack_cache_lock;
/* XXX 4-byte padding */
/* total size (bytes): 4176 */
}
--- struct link_map ---
/* offset | size */ type = struct link_map {
/* 0 | 8 */ Elf64_Addr l_addr;
/* 8 | 8 */ char *l_name;
/* 16 | 8 */ Elf64_Dyn *l_ld;
/* 24 | 8 */ struct link_map *l_next;
/* 32 | 8 */ struct link_map *l_prev;
/* 40 | 8 */ struct link_map *l_real;
/* 48 | 8 */ Lmid_t l_ns;
/* 56 | 8 */ struct libname_list *l_libname;
/* 64 | 616 */ Elf64_Dyn *l_info[77];
/* 680 | 8 */ const Elf64_Phdr *l_phdr;
/* 688 | 8 */ Elf64_Addr l_entry;
/* 696 | 2 */ Elf64_Half l_phnum;
/* 698 | 2 */ Elf64_Half l_ldnum;
/* XXX 4-byte hole */
/* 704 | 16 */ struct r_scope_elem {
/* 704 | 8 */ struct link_map **r_list;
/* 712 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_searchlist;
/* 720 | 16 */ struct r_scope_elem {
/* 720 | 8 */ struct link_map **r_list;
/* 728 | 4 */ unsigned int r_nlist;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_symbolic_searchlist;
/* 736 | 8 */ struct link_map *l_loader;
/* 744 | 8 */ struct r_found_version *l_versions;
/* 752 | 4 */ unsigned int l_nversions;
/* 756 | 4 */ Elf_Symndx l_nbuckets;
/* 760 | 4 */ Elf32_Word l_gnu_bitmask_idxbits;
/* 764 | 4 */ Elf32_Word l_gnu_shift;
/* 768 | 8 */ const Elf64_Addr *l_gnu_bitmask;
/* 776 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_buckets;
/* 8 */ const Elf_Symndx *l_chain;
/* total size (bytes): 8 */
};
/* 784 | 8 */ union {
/* 8 */ const Elf32_Word *l_gnu_chain_zero;
/* 8 */ const Elf_Symndx *l_buckets;
/* total size (bytes): 8 */
};
/* 792 | 4 */ unsigned int l_direct_opencount;
/* 796: 0 | 4 */ enum {lt_executable, lt_library, lt_loaded} l_type : 2;
/* 796: 2 | 4 */ unsigned int l_relocated : 1;
/* 796: 3 | 4 */ unsigned int l_init_called : 1;
/* 796: 4 | 4 */ unsigned int l_global : 1;
/* 796: 5 | 4 */ unsigned int l_reserved : 2;
/* 796: 7 | 4 */ unsigned int l_main_map : 1;
/* 797: 0 | 4 */ unsigned int l_visited : 1;
/* 797: 1 | 4 */ unsigned int l_map_used : 1;
/* 797: 2 | 4 */ unsigned int l_map_done : 1;
/* 797: 3 | 4 */ unsigned int l_phdr_allocated : 1;
/* 797: 4 | 4 */ unsigned int l_soname_added : 1;
/* 797: 5 | 4 */ unsigned int l_faked : 1;
/* 797: 6 | 4 */ unsigned int l_need_tls_init : 1;
/* 797: 7 | 4 */ unsigned int l_auditing : 1;
/* 798: 0 | 4 */ unsigned int l_audit_any_plt : 1;
/* 798: 1 | 4 */ unsigned int l_removed : 1;
/* 798: 2 | 4 */ unsigned int l_contiguous : 1;
/* 798: 3 | 4 */ unsigned int l_symbolic_in_local_scope : 1;
/* 798: 4 | 4 */ unsigned int l_free_initfini : 1;
/* 798: 5 | 4 */ unsigned int l_ld_readonly : 1;
/* 798: 6 | 4 */ unsigned int l_tls_in_slotinfo : 1;
/* 798: 7 | 4 */ unsigned int l_find_object_processed : 1;
/* 799 | 1 */ _Bool l_nodelete_active;
/* 800 | 1 */ _Bool l_nodelete_pending;
/* 801: 0 | 4 */ enum {lc_property_unknown, lc_property_none, lc_property_valid} l_property : 2;
/* XXX 6-bit hole */
/* XXX 2-byte hole */
/* 804 | 4 */ unsigned int l_x86_feature_1_and;
/* 808 | 4 */ unsigned int l_x86_isa_1_needed;
/* XXX 4-byte hole */
/* 816 | 16 */ struct r_search_path_struct {
/* 816 | 8 */ struct r_search_path_elem **dirs;
/* 824 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_rpath_dirs;
/* 832 | 8 */ struct reloc_result *l_reloc_result;
/* 840 | 8 */ Elf64_Versym *l_versyms;
/* 848 | 8 */ const char *l_origin;
/* 856 | 8 */ Elf64_Addr l_map_start;
/* 864 | 8 */ Elf64_Addr l_map_end;
/* 872 | 8 */ Elf64_Addr l_text_end;
/* 880 | 32 */ struct r_scope_elem *l_scope_mem[4];
/* 912 | 8 */ size_t l_scope_max;
/* 920 | 8 */ struct r_scope_elem **l_scope;
/* 928 | 16 */ struct r_scope_elem *l_local_scope[2];
/* 944 | 16 */ struct r_file_id {
/* 944 | 8 */ dev_t dev;
/* 952 | 8 */ ino64_t ino;
/* total size (bytes): 16 */
} l_file_id;
/* 960 | 16 */ struct r_search_path_struct {
/* 960 | 8 */ struct r_search_path_elem **dirs;
/* 968 | 4 */ int malloced;
/* XXX 4-byte padding */
/* total size (bytes): 16 */
} l_runpath_dirs;
/* 976 | 8 */ struct link_map **l_initfini;
/* 984 | 8 */ struct link_map_reldeps *l_reldeps;
/* 992 | 4 */ unsigned int l_reldepsmax;
/* 996 | 4 */ unsigned int l_used;
/* 1000 | 4 */ Elf64_Word l_feature_1;
/* 1004 | 4 */ Elf64_Word l_flags_1;
/* 1008 | 4 */ Elf64_Word l_flags;
/* 1012 | 4 */ int l_idx;
/* 1016 | 24 */ struct link_map_machine {
/* 1016 | 8 */ Elf64_Addr plt;
/* 1024 | 8 */ Elf64_Addr gotplt;
/* 1032 | 8 */ void *tlsdesc_table;
/* total size (bytes): 24 */
} l_mach;
/* 1040 | 32 */ struct {
/* 1040 | 8 */ const Elf64_Sym *sym;
/* 1048 | 4 */ int type_class;
/* XXX 4-byte hole */
/* 1056 | 8 */ struct link_map *value;
/* 1064 | 8 */ const Elf64_Sym *ret;
/* total size (bytes): 32 */
} l_lookup_cache;
/* 1072 | 8 */ void *l_tls_initimage;
/* 1080 | 8 */ size_t l_tls_initimage_size;
/* 1088 | 8 */ size_t l_tls_blocksize;
/* 1096 | 8 */ size_t l_tls_align;
/* 1104 | 8 */ size_t l_tls_firstbyte_offset;
/* 1112 | 8 */ ptrdiff_t l_tls_offset;
/* 1120 | 8 */ size_t l_tls_modid;
/* 1128 | 8 */ size_t l_tls_dtor_count;
/* 1136 | 8 */ Elf64_Addr l_relro_addr;
/* 1144 | 8 */ size_t l_relro_size;
/* 1152 | 8 */ unsigned long long l_serial;
/* total size (bytes): 1160 */
}
--- struct pthread ---
/* offset | size */ type = struct pthread {
/* 0 | 704 */ union {
/* 704 */ tcbhead_t header;
/* 192 */ void *__padding[24];
/* total size (bytes): 704 */
};
/* 704 | 16 */ list_t list;
/* 720 | 4 */ pid_t tid;
/* 724 | 4 */ pid_t pid_ununsed;
/* 728 | 8 */ void *robust_prev;
/* 736 | 24 */ struct robust_list_head {
/* 736 | 8 */ void *list;
/* 744 | 8 */ long futex_offset;
/* 752 | 8 */ void *list_op_pending;
/* total size (bytes): 24 */
} robust_head;
/* 760 | 8 */ struct _pthread_cleanup_buffer *cleanup;
/* 768 | 8 */ struct pthread_unwind_buf *cleanup_jmp_buf;
/* 776 | 4 */ int cancelhandling;
/* 780 | 4 */ int flags;
/* 784 | 512 */ struct pthread_key_data specific_1stblock[32];
/* 1296 | 256 */ struct pthread_key_data *specific[32];
/* 1552 | 1 */ _Bool specific_used;
/* 1553 | 1 */ _Bool report_events;
/* 1554 | 1 */ _Bool user_stack;
/* 1555 | 1 */ _Bool stopped_start;
/* 1556 | 4 */ int setup_failed;
/* 1560 | 4 */ int lock;
/* 1564 | 4 */ unsigned int setxid_futex;
/* 1568 | 8 */ hp_timing_t cpuclock_offset_ununsed;
/* 1576 | 8 */ struct pthread *joinid;
/* 1584 | 8 */ void *result;
/* 1592 | 4 */ struct sched_param {
/* 1592 | 4 */ int sched_priority;
/* total size (bytes): 4 */
} schedparam;
/* 1596 | 4 */ int schedpolicy;
/* 1600 | 8 */ void *(*start_routine)(void *);
/* 1608 | 8 */ void *arg;
/* 1616 | 24 */ td_eventbuf_t eventbuf;
/* 1640 | 8 */ struct pthread *nextevent;
/* 1648 | 32 */ struct _Unwind_Exception {
/* 1648 | 32 */ union {
/* 32 */ struct {
/* 1648 | 8 */ _Unwind_Exception_Class exception_class;
/* 1656 | 8 */ _Unwind_Exception_Cleanup_Fn exception_cleanup;
/* 1664 | 8 */ _Unwind_Word private_1;
/* 1672 | 8 */ _Unwind_Word private_2;
/* total size (bytes): 32 */
};
/* 16 */ _Unwind_Word unwind_exception_align[2];
/* total size (bytes): 32 */
};
/* total size (bytes): 32 */
} exc;
/* 1680 | 8 */ void *stackblock;
/* 1688 | 8 */ size_t stackblock_size;
/* 1696 | 8 */ size_t guardsize;
/* 1704 | 8 */ size_t reported_guardsize;
/* 1712 | 8 */ struct priority_protection_data *tpp;
/* 1720 | 568 */ struct __res_state {
/* 1720 | 4 */ int retrans;
/* 1724 | 4 */ int retry;
/* 1728 | 8 */ unsigned long options;
/* 1736 | 4 */ int nscount;
/* 1740 | 48 */ struct sockaddr_in nsaddr_list[3];
/* 1788 | 2 */ unsigned short id;
/* XXX 2-byte hole */
/* 1792 | 56 */ char *dnsrch[7];
/* 1848 | 256 */ char defdname[256];
/* 2104 | 8 */ unsigned long pfcode;
/* 2112: 0 | 4 */ unsigned int ndots : 4;
/* 2112: 4 | 4 */ unsigned int nsort : 4;
/* 2113: 0 | 4 */ unsigned int ipv6_unavail : 1;
/* 2113: 1 | 4 */ unsigned int unused : 23;
/* 2116 | 80 */ struct {
/* 0 | 4 */ struct in_addr addr;
/* 4 | 4 */ uint32_t mask;
} sort_list[10];
/* XXX 4-byte hole */
/* 2200 | 8 */ void *__glibc_unused_qhook;
/* 2208 | 8 */ void *__glibc_unused_rhook;
/* 2216 | 4 */ int res_h_errno;
/* 2220 | 4 */ int _vcsock;
/* 2224 | 4 */ unsigned int _flags;
/* XXX 4-byte hole */
/* 2232 | 56 */ union {
/* 52 */ char pad[52];
/* 56 */ struct {
/* 2232 | 2 */ uint16_t nscount;
/* 2234 | 6 */ uint16_t nsmap[3];
/* 2240 | 12 */ int nssocks[3];
/* 2252 | 2 */ uint16_t nscount6;
/* 2254 | 2 */ uint16_t nsinit;
/* 2256 | 24 */ struct sockaddr_in6 *nsaddrs[3];
/* 2280 | 8 */ unsigned long long __glibc_extension_index;
/* total size (bytes): 56 */
} _ext;
/* total size (bytes): 56 */
} _u;
/* total size (bytes): 568 */
} res;
/* 2288 | 128 */ sigset_t sigmask;
/* 2416 | 1 */ _Bool c11;
/* 2417 | 1 */ _Bool exiting;
/* XXX 2-byte hole */
/* 2420 | 4 */ int exit_lock;
/* 2424 | 16 */ struct tls_internal_t {
/* 2424 | 8 */ char *strsignal_buf;
/* 2432 | 8 */ char *strerror_l_buf;
/* total size (bytes): 16 */
} tls_state;
/* XXX 24-byte hole */
/* 2464 | 32 */ union {
/* 24 */ struct {
/* 2464 | 4 */ uint32_t cpu_id_start;
/* 2468 | 4 */ uint32_t cpu_id;
/* 2472 | 8 */ uint64_t rseq_cs;
/* 2480 | 4 */ uint32_t flags;
/* XXX 4-byte padding */
/* total size (bytes): 24 */
};
/* 32 */ char pad[32];
/* total size (bytes): 32 */
} rseq_area;
/* total size (bytes): 2496 */
}

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verify-ld-so-abi.sh Normal file
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#!/bin/bash
#
# This script verifies the ABI of ld.so by comparing the layout of
# critical data structures against a known baseline for a given architecture.
#
# This is useful to prevent unintentional ABI breaks between releases.
#
# Usage: ./elf/verify-ld-so-abi.sh <arch> <path-to-ld.so> [--generate-baseline]
set -euo pipefail
if [ "$#" -lt 2 ] || [ "$#" -gt 3 ]; then
echo "Usage: $0 <arch> <path-to-ld.so> [--generate-baseline]"
exit 1
fi
ARCH="$1"
LDSO_PATH="$2"
GENERATE_BASELINE=false
if [ "${3:-}" == "--generate-baseline" ]; then
GENERATE_BASELINE=true
fi
# The script is expected to be in the 'elf' directory and run from the glibc root.
SCRIPT_DIR="$(dirname "$0")"
BASELINE_DIR="$SCRIPT_DIR"
BASELINE_FILE="$BASELINE_DIR/ld-so-abi-$ARCH.baseline"
# List of structs and global variables to check in ld.so.
# These are critical for the dynamic linker's internal ABI.
SYMBOLS_TO_CHECK=(
"_rtld_global_ro"
"_rtld_global"
"struct link_map"
"struct pthread"
)
# Check for dependencies.
if ! command -v gdb &> /dev/null; then
echo "Error: gdb is not installed. Please install it to continue." >&2
exit 127
fi
if [ ! -f "$LDSO_PATH" ]; then
echo "Error: ld.so not found at '$LDSO_PATH'" >&2
exit 1
fi
TEMP_FILE=$(mktemp)
# Ensure the temporary file is cleaned up on script exit.
trap 'rm -f "$TEMP_FILE"' EXIT
echo "Generating current ABI layout for '$ARCH' from '$LDSO_PATH'..."
for symbol in "${SYMBOLS_TO_CHECK[@]}"; do
echo "--- $symbol ---" >> "$TEMP_FILE"
# Use ptype/o to get the struct layout with offsets.
# If a symbol does not exist, GDB will exit with an error, which is
# caught by 'set -e'.
gdb -batch -ex "ptype/o $symbol" "$LDSO_PATH" >> "$TEMP_FILE"
done
if [ "$GENERATE_BASELINE" = true ]; then
echo "Generating new baseline for '$ARCH'..."
mkdir -p "$BASELINE_DIR"
# Atomically move the new baseline into place.
mv "$TEMP_FILE" "$BASELINE_FILE"
echo "Baseline created at $BASELINE_FILE"
# The temp file has been moved, so disable the trap.
trap - EXIT
exit 0
fi
# --- Comparison Mode ---
if [ ! -f "$BASELINE_FILE" ]; then
echo "Error: Baseline file for architecture '$ARCH' does not exist." >&2
echo "Path: $BASELINE_FILE" >&2
echo >&2
echo "To generate a new baseline, run this command with the --generate-baseline flag:" >&2
echo "$0 $ARCH '$LDSO_PATH' --generate-baseline" >&2
exit 77
fi
echo "Comparing with baseline file: $BASELINE_FILE"
# Compare the generated layout with the official baseline.
if ! diff -u "$BASELINE_FILE" "$TEMP_FILE"; then
echo >&2
echo "Error: ABI layout mismatch for '$ARCH' has been detected." >&2
echo "The layout of structs in '$LDSO_PATH' has changed." >&2
echo >&2
echo "If this change is intentional, update the baseline file by running:" >&2
echo "$0 $ARCH '$LDSO_PATH' --generate-baseline" >&2
echo "Or by applying the diff using 'patch -R'"
exit 1
else
echo "OK: ABI layout for '$ARCH' is consistent with the baseline."
exit 0
fi