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debug shell - only set the ignore_brk/mp/bp IF the pc hasn't changed.

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This commit is contained in:
Kelvin Sherlock 2019-03-21 18:04:51 -04:00
parent fb2dee9b9b
commit ec0c255975
1 changed files with 19 additions and 6 deletions
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25
src/debug_shell.re2c
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@ -1471,6 +1471,7 @@ int debug_shell(int code) {
int c;
char *cp;
int control_d_count = 0;
word32 kpc = engine.kpc;
fflush(stderr);
fflush(stdout);
@ -1492,17 +1493,14 @@ int debug_shell(int code) {
}
/* todo -- only clear IF exit pc == entry pc ? */
if (code == RET_BP) {
/* check for temp. breakpoint */
if (!delete_bp('T', engine.kpc)) {
engine.flags |= FLAG_IGNORE_BP;
printf("Breakpoint hit:\n");
}
}
if (code == RET_MP) {
engine.flags |= FLAG_IGNORE_MP;
printf("Memory breakpoint hit\n");
switch (g_abort_bytes) {
case 1: g_abort_value &= 0xff; break;
@ -1512,8 +1510,6 @@ int debug_shell(int code) {
printf("%06x: %0*x\n", g_abort_address, g_abort_bytes * 2, g_abort_value);
}
if (code == RET_BRK || code == RET_COP) {
/* todo -- should do this at end, verify pc/memory unchanged */
engine.flags |= FLAG_IGNORE_BRK;
/* hit a BRK op */
}
if (code == RET_HALT) {
@ -1541,8 +1537,25 @@ int debug_shell(int code) {
c = parse_command(cp);
if (c < 0) printf("error.\n");
if (c == 'q') return 0;
if (c == 1) return 1;
if (c == 1) break;
}
if (engine.kpc == kpc) {
switch(code) {
case RET_BRK:
case RET_COP:
engine.flags |= FLAG_IGNORE_BRK;
break;
case RET_MP:
engine.flags |= FLAG_IGNORE_MP;
break;
case RET_BP:
engine.flags |= FLAG_IGNORE_BP;
break;
}
}
return 1;
}
static void do_sig_intr(int sig) {