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authorPierre Muller <muller@sourceware.org>2008-06-11 22:03:49 +0000
committerPierre Muller <muller@sourceware.org>2008-06-11 22:03:49 +0000
commit4309257cda01fce18971fd5a5ea28ed6aaf552cc (patch)
tree3207f06e4a8f03ae972c6da4a37a795ec78cfeda /gdb/gdbarch.c
parenta4e2ee12f0631722c380973c0336dd165fd0137d (diff)
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* gdbarch.sh (gdbarch_skip_main_prologue): New.
* 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.
Diffstat (limited to 'gdb/gdbarch.c')
-rw-r--r--gdb/gdbarch.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index 6594b35..3a967a9 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -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)
@@ -999,6 +1002,12 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *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));
fprintf_unfiltered (file,
@@ -2123,6 +2132,30 @@ set_gdbarch_skip_prologue (struct gdbarch *gdbarch,
}
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)
{
gdb_assert (gdbarch != NULL);