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Fix a couple bugs in FBT PowerPC. Clamp the size to a 'instruction size' not

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'byte size', and fix a typo.

MFC after:	2 weeks
This commit is contained in:
Justin Hibbits 2013-12-20 23:18:14 +00:00
parent a6c26592f1
commit a76f5d59f4
1 changed files with 2 additions and 2 deletions
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4
sys/cddl/dev/fbt/fbt_powerpc.c
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@ -219,7 +219,7 @@ fbt_provide_module_function(linker_file_t lf, int symindx,
return (0);
instr = (u_int32_t *) symval->value;
limit = (u_int32_t *) (symval->value + symval->size);
limit = (u_int32_t *) (symval->value + symval->size / sizeof(u_int32_t));
for (; instr < limit; instr++)
if (*instr == FBT_MFLR_R0)
@ -278,7 +278,7 @@ fbt_provide_module_function(linker_file_t lf, int symindx,
instr++;
for (j = 0; j < 12 && instr < limit; j++, instr++) {
if ((*instr == FBT_BCTR) || (*instr == FBT_BLR) |
if ((*instr == FBT_BCTR) || (*instr == FBT_BLR) ||
FBT_IS_JUMP(*instr))
break;
}