99 lines
3.0 KiB
Diff
99 lines
3.0 KiB
Diff
commit eb77a1fccc7e60cea32245c11288c7f1d92545fa
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Wed Oct 16 18:19:51 2019 +0200
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dlfcn: Remove remnants of caller sensitivity from dlinfo
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dlinfo operates on a specific handle, which means that there is no
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caller sensivity involved.
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diff --git a/dlfcn/dlinfo.c b/dlfcn/dlinfo.c
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index 964572cc670ceba4..23ef3f57ca41afdf 100644
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--- a/dlfcn/dlinfo.c
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+++ b/dlfcn/dlinfo.c
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@@ -26,7 +26,7 @@
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int
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dlinfo (void *handle, int request, void *arg)
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{
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- return __dlinfo (handle, request, arg, RETURN_ADDRESS (0));
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+ return __dlinfo (handle, request, arg);
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}
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#else
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@@ -35,7 +35,6 @@ dlinfo (void *handle, int request, void *arg)
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struct dlinfo_args
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{
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- ElfW(Addr) caller;
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void *handle;
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int request;
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void *arg;
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@@ -47,24 +46,6 @@ dlinfo_doit (void *argsblock)
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struct dlinfo_args *const args = argsblock;
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struct link_map *l = args->handle;
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-# if 0
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- if (args->handle == RTLD_SELF)
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- {
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- Lmid_t nsid;
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-
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- /* Find the highest-addressed object that CALLER is not below. */
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- for (nsid = 0; nsid < DL_NNS; ++nsid)
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- for (l = GL(dl_ns)[nsid]._ns_loaded; l != NULL; l = l->l_next)
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- if (caller >= l->l_map_start && caller < l->l_map_end
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- && (l->l_contiguous || _dl_addr_inside_object (l, caller)))
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- break;
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-
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- if (l == NULL)
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- _dl_signal_error (0, NULL, NULL, N_("\
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-RTLD_SELF used in code not dynamically loaded"));
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- }
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-# endif
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-
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switch (args->request)
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{
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case RTLD_DI_CONFIGADDR:
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@@ -108,16 +89,14 @@ RTLD_SELF used in code not dynamically loaded"));
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}
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int
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-__dlinfo (void *handle, int request, void *arg DL_CALLER_DECL)
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+__dlinfo (void *handle, int request, void *arg)
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{
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# ifdef SHARED
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if (!rtld_active ())
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- return _dlfcn_hook->dlinfo (handle, request, arg,
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- DL_CALLER);
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+ return _dlfcn_hook->dlinfo (handle, request, arg);
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# endif
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- struct dlinfo_args args = { (ElfW(Addr)) DL_CALLER,
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- handle, request, arg };
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+ struct dlinfo_args args = { handle, request, arg };
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return _dlerror_run (&dlinfo_doit, &args) ? -1 : 0;
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}
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# ifdef SHARED
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diff --git a/include/dlfcn.h b/include/dlfcn.h
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index 0dc57dbe2217cfe7..93dd369ab12a5745 100644
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--- a/include/dlfcn.h
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+++ b/include/dlfcn.h
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@@ -117,7 +117,7 @@ struct dlfcn_hook
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int (*dladdr) (const void *address, Dl_info *info);
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int (*dladdr1) (const void *address, Dl_info *info,
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void **extra_info, int flags);
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- int (*dlinfo) (void *handle, int request, void *arg, void *dl_caller);
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+ int (*dlinfo) (void *handle, int request, void *arg);
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void *(*dlmopen) (Lmid_t nsid, const char *file, int mode, void *dl_caller);
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void *pad[4];
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};
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@@ -143,8 +143,7 @@ extern int __dladdr (const void *address, Dl_info *info)
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extern int __dladdr1 (const void *address, Dl_info *info,
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void **extra_info, int flags)
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attribute_hidden;
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-extern int __dlinfo (void *handle, int request, void *arg DL_CALLER_DECL)
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- attribute_hidden;
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+extern int __dlinfo (void *handle, int request, void *arg) attribute_hidden;
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#ifndef SHARED
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struct link_map;
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