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Use the right value for the region length in parse_spill_mask.

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Doug Rabson 2002-03-10 17:03:45 +00:00
parent 01d901fff3
commit a7f314ea94
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=92010
1 changed files with 4 additions and 4 deletions
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8
sys/ia64/ia64/unwind.c
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@ -649,7 +649,7 @@ parse_spill_base(struct ia64_unwind_state *us, int pspoff)
}
static void
parse_spill_mask(struct ia64_unwind_state *us, u_int8_t *imask)
parse_spill_mask(struct ia64_unwind_state *us, int rlen, u_int8_t *imask)
{
int i, reg;
u_int8_t b;
@ -658,9 +658,9 @@ parse_spill_mask(struct ia64_unwind_state *us, u_int8_t *imask)
23, 24, 25, 26, 27, 28, 29, 30, 31
};
for (i = 0; i < us->us_pc; i++) {
for (i = 0; i < rlen; i++) {
b = imask[i / 4];
b = (b >> (2 * (i & 3))) & 3;
b = (b >> (2 * (3-(i & 3)))) & 3;
switch (b) {
case 0:
break;
@ -1237,7 +1237,7 @@ ia64_unwind_state_previous_frame(struct ia64_unwind_state *us)
p += 2;
} else if ((b >> 0) == 184) {
/* P4 */
parse_spill_mask(us, p+1);
parse_spill_mask(us, rlen, p+1);
p += 1 + (rlen + 3) / 4;
} else if ((b >> 0) == 185) {
/* P5 - frgr_mem */