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* nlm/ppc.c (set_step_traps clear_step_traps): Cleanups.

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* nlm/gdbserve.def:  Autoload clib.
This commit is contained in:
Stu Grossman 1994-08-24 00:27:38 +00:00
parent e44075d3aa
commit 8edf00160b
3 changed files with 28 additions and 20 deletions
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7
gdb/ChangeLog
View file

@ -1,5 +1,12 @@
Tue Aug 23 16:54:16 1994 Stu Grossman (grossman@cygnus.com)
* nlm/ppc.c (set_step_traps clear_step_traps): Cleanups.
* nlm/gdbserve.def: Autoload clib.
Tue Aug 23 12:05:19 1994 Jim Kingdon (kingdon@cygnus.com)
* breakpoint.c (condition_command): Call breakpoints_changed.
* gdbtypes.h: Declare f77_create_literal_string_type and
f77_create_literal_complex_type.
* valops.c (f77_value_literal_string, f77_value_substring,

1
gdb/nlm/gdbserve.def
View file

@ -1,6 +1,7 @@
description "GDB debugger stub"
version 1,2,0
#debug
module clib
screenname "System Console"
input gdbserve.O
output gdbserve.nlm

40
gdb/nlm/ppc.c
View file

@ -134,64 +134,62 @@ union inst
};
static LONG saved_inst;
static char *saved_inst_pc = 0;
static LONG *saved_inst_pc = 0;
static LONG saved_target_inst;
static char *saved_target_inst_pc = 0;
static LONG *saved_target_inst_pc = 0;
void
set_step_traps (frame)
struct StackFrame *frame;
{
union inst inst;
char *target;
LONG *target;
int opcode;
int ra, rb;
char *pc = (char *)frame->ExceptionPC;
LONG *pc = (LONG *)frame->ExceptionPC;
inst.l = *(LONG *)pc;
inst.l = *pc++;
opcode = inst.inst.variant.b.opcode;
target = pc;
switch (opcode)
{
case 18: /* Unconditional branch */
target = (char *)(inst.inst.variant.b.li << 2);
if (!inst.inst.variant.b.aa) /* Relative? */
target += (long)pc;
if (inst.inst.variant.b.aa) /* Absolute? */
target = 0;
target += inst.inst.variant.b.li;
break;
case 16: /* Conditional branch */
target = (char *)(inst.inst.variant.bc.bd << 2);
if (!inst.inst.variant.bc.aa) /* Relative? */
target += (long)pc;
if (!inst.inst.variant.bc.aa) /* Absolute? */
target = 0;
target += inst.inst.variant.bc.bd;
break;
case 19: /* Cond. branch via ctr or lr reg */
switch (inst.inst.variant.bclr.type)
{
case 528: /* ctr */
target = (char *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR;
target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedCTR;
break;
case 16: /* lr */
target = (char *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR;
target = (LONG *)frame->ExceptionState.u.SpecialRegistersEnumerated.CsavedLR;
break;
default:
target = pc;
}
break;
default:
target = pc;
}
saved_inst = *(LONG *)pc;
saved_inst = *pc;
mem_write (pc, breakpoint_insn, BREAKPOINT_SIZE);
saved_inst_pc = pc;
if (target != pc)
{
saved_target_inst = *(LONG *)target;
saved_target_inst = *target;
mem_write (target, breakpoint_insn, BREAKPOINT_SIZE);
saved_target_inst_pc = target;
}
@ -206,7 +204,7 @@ clear_step_traps (frame)
struct StackFrame *frame;
{
int retcode;
char *pc = (char *)frame->ExceptionPC;
LONG *pc = (LONG *)frame->ExceptionPC;
if (saved_inst_pc == pc || saved_target_inst_pc == pc)
retcode = 1;
@ -255,6 +253,7 @@ do_status (ptr, frame)
*ptr = '\000';
}
#if 0
/*
* strtol : convert a string to long.
*
@ -404,6 +403,7 @@ strtoul(s, ptr, base)
*ptr = (char *) ((did_conversion) ? (char *)s : (char *)start);
return negate ? -total : total;
}
#endif
void _exit (int foo) __attribute__ ((noreturn));