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authorH.J. Lu <hjl.tools@gmail.com>2010-04-21 20:22:20 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-04-21 20:22:20 +0000
commitf335d1b3959656aa939d41782ae30c4364d8560c (patch)
tree6190f9dc9ecc3b8a7f21619630f574563e4c3f14 /gdb/amd64-linux-tdep.c
parenta9789a6b9df7e25448473dc45c47b64c980f04b5 (diff)
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Properly read i386 coredump.
2010-04-21 H.J. Lu <hongjiu.lu@intel.com> PR corefiles/11523 * amd64-linux-tdep.c (amd64_linux_core_read_description): Check XCR0 first. * i386-linux-tdep.c (i386_linux_core_read_xcr0): Return 0 if there is no .reg-xstate section. (i386_linux_core_read_description): Check XCR0 first.
Diffstat (limited to 'gdb/amd64-linux-tdep.c')
-rw-r--r--gdb/amd64-linux-tdep.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index f249d5d..7376ba7 100644
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1269,18 +1269,15 @@ amd64_linux_core_read_description (struct gdbarch *gdbarch,
struct target_ops *target,
bfd *abfd)
{
- asection *section = bfd_get_section_by_name (abfd, ".reg2");
- uint64_t xcr0;
-
- if (section == NULL)
- return NULL;
-
/* Linux/x86-64. */
- xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd);
- if ((xcr0 & I386_XSTATE_AVX_MASK) == I386_XSTATE_AVX_MASK)
- return tdesc_amd64_avx_linux;
- else
- return tdesc_amd64_linux;
+ uint64_t xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd);
+ switch ((xcr0 & I386_XSTATE_AVX_MASK))
+ {
+ case I386_XSTATE_AVX_MASK:
+ return tdesc_amd64_avx_linux;
+ default:
+ return tdesc_amd64_linux;
+ }
}
static void