MatCat.OpenSource/8sa1-binutils-gdb
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Fix for incorrect breakpoint set in case of clang compiled binary

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This commit is contained in:
Karthik Bhat 2012-11-21 07:39:02 +00:00
parent 85ddcc7021
commit 4e879fc2fd
1 changed files with 23 additions and 1 deletions
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24
gdb/i386-tdep.c
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@ -1582,8 +1582,30 @@ i386_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR start_pc)
CORE_ADDR pc;
gdb_byte op;
int i;
cache.locals = -1;
CORE_ADDR func_addr;
struct symtab *s = find_pc_symtab (func_addr);
if (find_pc_partial_function (start_pc, NULL, &func_addr, NULL))
{
CORE_ADDR post_prologue_pc
= skip_prologue_using_sal (gdbarch, func_addr);
/* GCC always emits a line note before the prologue and another
one after, even if the two are at the same address or on the
same line. Take advantage of this so that we do not need to
know every instruction that might appear in the prologue. We
will have producer information for most binaries; if it is
missing (e.g. for -gstabs), assuming the GNU tools. */
if (post_prologue_pc
&& (s == NULL
|| s->producer == NULL
|| strncmp (s->producer, "GNU ", sizeof ("GNU ") - 1) == 0
|| strncmp (s->producer, "clang ", sizeof ("clang ") - 1) == 0))
return max (start_pc, post_prologue_pc);
}
pc = i386_analyze_prologue (gdbarch, start_pc, 0xffffffff, &cache);
if (cache.locals < 0)
return start_pc;