OpenE2K/binutils-gdb
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* mips-tdep.c (heuristic_proc_start): if we walk the pc into the fence

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post without finding the enclosing function, then print a warning.
This commit is contained in:
K. Richard Pixley 1993-03-13 00:32:10 +00:00
parent 2aefe6e4ae
commit a8172eea3d
2 changed files with 17 additions and 2 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
Fri Mar 12 16:23:54 1993 K. Richard Pixley (rich@cygnus.com)
* mips-tdep.c (heuristic_proc_start): if we walk the pc into the
fence post without finding the enclosing function, then print a
warning.
Thu Mar 11 09:33:01 1993 Fred Fish (fnf@cygnus.com)
* utils.c (fputs_demangled, fprint_symbol): Remove.

13
gdb/mips-tdep.c
View File

@ -123,6 +123,11 @@ mips_frame_saved_pc(frame)
static struct mips_extra_func_info temp_proc_desc;
static struct frame_saved_regs temp_saved_regs;
/* This fencepost looks highly suspicious to me. Removing it also
seems suspicious as it could affect remote debugging across serial
lines. At the very least, this needs a warning message.
rich@cygnus.com 12mar93. */
static CORE_ADDR
heuristic_proc_start(pc)
CORE_ADDR pc;
@ -135,7 +140,11 @@ heuristic_proc_start(pc)
/* search back for previous return */
for (start_pc -= 4; ; start_pc -= 4)
if (start_pc < fence) return 0;
if (start_pc < fence)
{
warning("Cannot find enclosing function for pc 0x%x", pc);
return 0;
}
else if (ABOUT_TO_RETURN(start_pc))
break;
@ -757,7 +766,7 @@ void
_initialize_mips_tdep ()
{
add_show_from_set
(add_set_cmd ("mips_fpu", class_support, var_boolean,
(add_set_cmd ("mipsfpu", class_support, var_boolean,
(char *) &mips_fpu,
"Set use of floating point coprocessor.\n\
Turn off to avoid using floating point instructions when calling functions\n\