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* gdbarch.sh (gdbarch_skip_main_prologue): New.

Browse Source 
* gdbarch.h, gdbarch.c: Regenerate.
	* i386-tdep.h (i386_skip_main_prologue): Declare.
	* i386-tdep.c (i386_skip_main_prologue): New.
	* i386-cygwin-tdep.c (i386_cygwin_init_abi): Register
	i386_skip_main_prologue as gdbarch_skip_main_prologue gdbarch callback.
	* symtab.c (find_function_start_sal): When pc points at the "main"
	function, call gdbarch_skip_main_prologue.
This commit is contained in:
Pierre Muller
2008-06-11 22:03:49 +00:00
parent a4e2ee12f0
commit 4309257cda
8 changed files with 102 additions and 0 deletions
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33
gdb/gdbarch.c
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@ -183,6 +183,7 @@ struct gdbarch
gdbarch_integer_to_address_ftype *integer_to_address;
gdbarch_return_value_ftype *return_value;
gdbarch_skip_prologue_ftype *skip_prologue;
gdbarch_skip_main_prologue_ftype *skip_main_prologue;
gdbarch_inner_than_ftype *inner_than;
gdbarch_breakpoint_from_pc_ftype *breakpoint_from_pc;
gdbarch_adjust_breakpoint_address_ftype *adjust_breakpoint_address;
@ -313,6 +314,7 @@ struct gdbarch startup_gdbarch =
0, /* integer_to_address */
0, /* return_value */
0, /* skip_prologue */
0, /* skip_main_prologue */
0, /* inner_than */
0, /* breakpoint_from_pc */
0, /* adjust_breakpoint_address */
@ -561,6 +563,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
/* Skip verify of return_value, has predicate */
if (gdbarch->skip_prologue == 0)
fprintf_unfiltered (log, "\n\tskip_prologue");
/* Skip verify of skip_main_prologue, has predicate */
if (gdbarch->inner_than == 0)
fprintf_unfiltered (log, "\n\tinner_than");
if (gdbarch->breakpoint_from_pc == 0)
@ -998,6 +1001,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
fprintf_unfiltered (file,
"gdbarch_dump: single_step_through_delay = <0x%lx>\n",
(long) gdbarch->single_step_through_delay);
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_skip_main_prologue_p() = %d\n",
gdbarch_skip_main_prologue_p (gdbarch));
fprintf_unfiltered (file,
"gdbarch_dump: skip_main_prologue = <0x%lx>\n",
(long) gdbarch->skip_main_prologue);
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_skip_permanent_breakpoint_p() = %d\n",
gdbarch_skip_permanent_breakpoint_p (gdbarch));
@ -2122,6 +2131,30 @@ set_gdbarch_skip_prologue (struct gdbarch *gdbarch,
gdbarch->skip_prologue = skip_prologue;
}
int
gdbarch_skip_main_prologue_p (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
return gdbarch->skip_main_prologue != NULL;
}
CORE_ADDR
gdbarch_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR ip)
{
gdb_assert (gdbarch != NULL);
gdb_assert (gdbarch->skip_main_prologue != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_skip_main_prologue called\n");
return gdbarch->skip_main_prologue (gdbarch, ip);
}
void
set_gdbarch_skip_main_prologue (struct gdbarch *gdbarch,
gdbarch_skip_main_prologue_ftype skip_main_prologue)
{
gdbarch->skip_main_prologue = skip_main_prologue;
}
int
gdbarch_inner_than (struct gdbarch *gdbarch, CORE_ADDR lhs, CORE_ADDR rhs)
{