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- Bump up release number.

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Fri Jul 08 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.35
- Build pseudo-registers properly for sigtramp frame.
- Bugzilla 160339
This commit is contained in:
Jeff Johnston 2005-07-09 02:16:29 +00:00
parent adbc6b8f3a
commit 82cee5f74c
2 changed files with 161 additions and 1 deletions
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149
gdb-6.3-ia64-sigtramp-frame-20050708.patch Normal file
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@ -0,0 +1,149 @@
2005-07-08 Jeff Johnston <jjohnstn@redhat.com>
* ia64-tdep.c (ia64_sigtramp_frame_prev_register): Build
pseudo-registers the same as ia64_pseudo_register_read.
--- gdb-6.3/gdb/ia64-tdep.c.fix 2005-07-08 20:26:37.000000000 -0400
+++ gdb-6.3/gdb/ia64-tdep.c 2005-07-08 20:27:41.000000000 -0400
@@ -2037,7 +2037,100 @@ ia64_sigtramp_frame_prev_register (struc
pc &= ~0xf;
store_unsigned_integer (valuep, 8, pc);
}
- else if ((regnum >= IA64_GR32_REGNUM && regnum <= IA64_GR127_REGNUM) ||
+ else if (IA64_NAT0_REGNUM <= regnum && regnum <= IA64_NAT31_REGNUM)
+ {
+ /* NAT pseudo registers 0-31: get them from UNAT.
+ * "copied" from ia64_pseudo_register_read() */
+ CORE_ADDR addr = 0;
+ ULONGEST unatN_val;
+ ULONGEST unat;
+ read_memory (cache->saved_regs[IA64_UNAT_REGNUM], (char *) &unat,
+ register_size (current_gdbarch, IA64_UNAT_REGNUM));
+ unatN_val = (unat & (1LL << (regnum - IA64_NAT0_REGNUM))) != 0;
+ store_unsigned_integer (valuep, register_size (current_gdbarch, regnum),
+ unatN_val);
+ *lvalp = lval_memory;
+ *addrp = cache->saved_regs[IA64_UNAT_REGNUM];
+ }
+ else if (IA64_NAT32_REGNUM <= regnum && regnum <= IA64_NAT127_REGNUM)
+ {
+ /* NAT pseudo registers 32-127.
+ * "copied" from ia64_pseudo_register_read()
+ * FIXME: Not currently tested -- cannot get the frame to include
+ * NAT32-NAT127. */
+ ULONGEST bsp;
+ ULONGEST cfm;
+ ULONGEST natN_val = 0;
+ CORE_ADDR gr_addr = 0, nat_addr = 0;
+
+ read_memory (cache->saved_regs[IA64_BSP_REGNUM], (char *) &bsp,
+ register_size (current_gdbarch, IA64_BSP_REGNUM));
+ read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm,
+ register_size (current_gdbarch, IA64_CFM_REGNUM));
+
+ /* The bsp points at the end of the register frame so we
+ subtract the size of frame from it to get start of register frame. */
+ bsp = rse_address_add (bsp, -(cfm & 0x7f));
+
+ if ((cfm & 0x7f) > regnum - V32_REGNUM)
+ gr_addr = rse_address_add (bsp, (regnum - V32_REGNUM));
+
+ if (gr_addr != 0)
+ {
+ /* Compute address of nat collection bits */
+ CORE_ADDR nat_collection;
+ nat_addr = gr_addr | 0x1f8;
+ int nat_bit;
+ /* If our nat collection address is bigger than bsp, we have to get
+ the nat collection from rnat. Otherwise, we fetch the nat
+ collection from the computed address. FIXME: Do not know if
+ RNAT can be not stored in the frame--being extra cautious. */
+ if (nat_addr >= bsp)
+ {
+ nat_addr = cache->saved_regs[IA64_RNAT_REGNUM];
+ if (nat_addr != 0)
+ read_memory (nat_addr, (char *) &nat_collection,
+ register_size (current_gdbarch, IA64_RNAT_REGNUM));
+ }
+ else
+ nat_collection = read_memory_integer (nat_addr, 8);
+ if (nat_addr != 0)
+ {
+ nat_bit = (gr_addr >> 3) & 0x3f;
+ natN_val = (nat_collection >> nat_bit) & 1;
+ *lvalp = lval_memory;
+ *addrp = nat_addr;
+ store_unsigned_integer (valuep,
+ register_size (current_gdbarch, regnum),
+ natN_val);
+ }
+ }
+ }
+ else if (regnum == VBOF_REGNUM)
+ {
+ /* BOF pseudo register.
+ * "copied" from ia64_pseudo_register_read()
+ *
+ * A virtual register frame start is provided for user convenience.
+ * It can be calculated as the bsp - sof (sizeof frame). */
+ ULONGEST bsp;
+ ULONGEST cfm;
+ ULONGEST bof;
+
+ read_memory (cache->saved_regs[IA64_BSP_REGNUM], (char *) &bsp,
+ register_size (current_gdbarch, IA64_BSP_REGNUM));
+ read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm,
+ register_size (current_gdbarch, IA64_CFM_REGNUM));
+
+ /* The bsp points at the end of the register frame so we
+ subtract the size of frame from it to get beginning of frame. */
+ bof = rse_address_add (bsp, -(cfm & 0x7f));
+
+ store_unsigned_integer (valuep, register_size (current_gdbarch, regnum), bof);
+ *lvalp = lval_memory;
+ *addrp = 0; // NOTE: pseudo reg not a anywhere really...
+ }
+ else if ((regnum >= IA64_GR32_REGNUM && regnum <= IA64_GR127_REGNUM) ||
(regnum >= V32_REGNUM && regnum <= V127_REGNUM))
{
CORE_ADDR addr = 0;
@@ -2051,6 +2144,39 @@ ia64_sigtramp_frame_prev_register (struc
read_memory (addr, valuep, register_size (current_gdbarch, regnum));
}
}
+ else if (VP0_REGNUM <= regnum && regnum <= VP63_REGNUM)
+ {
+ /* VP 0-63.
+ * "copied" from ia64_pseudo_register_read()
+ *
+ * FIXME: Not currently tested--cannot get the frame to include PR. */
+ CORE_ADDR pr_addr = 0;
+
+ pr_addr = cache->saved_regs[IA64_PR_REGNUM];
+ if (pr_addr != 0)
+ {
+ ULONGEST pr;
+ ULONGEST cfm;
+ ULONGEST prN_val;
+ read_memory (pr_addr, (char *) &pr,
+ register_size (current_gdbarch, IA64_PR_REGNUM));
+ read_memory (cache->saved_regs[IA64_CFM_REGNUM], (char *) &cfm,
+ register_size (current_gdbarch, IA64_CFM_REGNUM));
+
+ /* Get the register rename base for this frame and adjust the
+ * register name to take rotation into account. */
+ if (VP16_REGNUM <= regnum && regnum <= VP63_REGNUM)
+ {
+ int rrb_pr = (cfm >> 32) & 0x3f;
+ regnum = VP16_REGNUM + ((regnum - VP16_REGNUM) + rrb_pr) % 48;
+ }
+ prN_val = (pr & (1LL << (regnum - VP0_REGNUM))) != 0;
+ store_unsigned_integer (valuep, register_size (current_gdbarch, regnum),
+ prN_val);
+ *lvalp = lval_memory;
+ *addrp = pr_addr;
+ }
+ }
else
{
/* All other registers not listed above. */

13
gdb.spec
View File

@ -11,7 +11,7 @@ Name: gdb
Version: 6.3.0.0 Version: 6.3.0.0
# The release always contains a leading reserved number, start it at 0. # The release always contains a leading reserved number, start it at 0.
Release: 1.34 Release: 1.37
License: GPL License: GPL
Group: Development/Debuggers Group: Development/Debuggers
@ -222,6 +222,9 @@ Patch156: gdb-6.3-sarestart-20050518.patch
# Security errata for bfd overflow and untrusted .gdbinit # Security errata for bfd overflow and untrusted .gdbinit
Patch157: gdb-6.3-security-errata-20050610.patch Patch157: gdb-6.3-security-errata-20050610.patch
# IA64 sigtramp prev register patch
Patch158: gdb-6.3-ia64-sigtramp-frame-20050708.patch
%ifarch ia64 %ifarch ia64
BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu libunwind >= 0.96-3 BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu libunwind >= 0.96-3
%else %else
@ -311,6 +314,7 @@ and printing their data.
%patch155 -p1 %patch155 -p1
%patch156 -p1 %patch156 -p1
%patch157 -p1 %patch157 -p1
%patch158 -p1
# Change the version that gets printed at GDB startup, so it is RedHat # Change the version that gets printed at GDB startup, so it is RedHat
# specific. # specific.
@ -479,6 +483,13 @@ fi
# don't include the files in include, they are part of binutils # don't include the files in include, they are part of binutils
%changelog %changelog
* Fri Jul 08 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.37
- Bump up release number.
* Fri Jul 08 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.35
- Build pseudo-registers properly for sigtramp frame.
- Bugzilla 160339
* Fri Jul 08 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.34 * Fri Jul 08 2005 Jeff Johnston <jjohnstn@redhat.com> 6.3.0.0-1.34
- Bump up release number. - Bump up release number.