FreeChainXenon/binutils-gdb
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CARP:

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STEP_SKIPS_DELAY - add STEP_SKIPS_DELAY_P and rewrite use removing
  #ifdef's.
NO_SINGLE_STEP - replace with SOFTWARE_SINGLE_STEP_P +
  SOFTWARE_SINGLE_STEP.  Replace global variable one_stepped with static
  singlestep_breakpoints_inserted_p.  Cleanup infrun.c (scary!).
This commit is contained in:
Andrew Cagney 1998-11-27 23:35:08 +00:00
parent 5825dfc525
commit 0233186932
11 changed files with 108 additions and 68 deletions
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11
gdb/rs6000-tdep.c
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@ -32,9 +32,6 @@ extern struct obstack frame_cache_obstack;
extern int errno;
/* Nonzero if we just simulated a single step break. */
int one_stepped;
/* Breakpoint shadows for the single step instructions will be kept here. */
static struct sstep_breaks {
@ -157,8 +154,9 @@ rs6000_breakpoint_from_pc (bp_addr, bp_size)
/* AIX does not support PT_STEP. Simulate it. */
void
single_step (signal)
rs6000_software_single_step (signal, insert_breakpoints_p)
enum target_signal signal;
int insert_breakpoints_p;
{
#define INSNLEN(OPCODE) 4
@ -170,7 +168,8 @@ single_step (signal)
CORE_ADDR breaks[2];
int opcode;
if (!one_stepped) {
if (insert_breakpoints_p) {
loc = read_pc ();
insn = read_memory_integer (loc, 4);
@ -197,7 +196,6 @@ single_step (signal)
stepBreaks[ii].address = breaks[ii];
}
one_stepped = 1;
} else {
/* remove step breakpoints. */
@ -206,7 +204,6 @@ single_step (signal)
write_memory
(stepBreaks[ii].address, stepBreaks[ii].data, 4);
one_stepped = 0;
}
errno = 0; /* FIXME, don't ignore errors! */
/* What errors? {read,write}_memory call error(). */