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D34590.1783833569.diff
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D34590.1783833569.diff
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Index: sys/cddl/dev/fbt/x86/fbt_isa.c
===================================================================
--- sys/cddl/dev/fbt/x86/fbt_isa.c
+++ sys/cddl/dev/fbt/x86/fbt_isa.c
@@ -231,7 +231,9 @@
for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
hash = hash->fbtp_hashnext) {
if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
- fbt->fbtp_tracenext = hash->fbtp_tracenext;
+ while (hash->fbtp_tracenext != NULL)
+ hash = hash->fbtp_tracenext;
+ fbt->fbtp_tracenext = NULL;
hash->fbtp_tracenext = fbt;
break;
}
@@ -344,8 +346,18 @@
fbt->fbtp_savedval = *instr;
fbt->fbtp_patchval = FBT_PATCHVAL;
- fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
- fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
+ for (hash = fbt_probetab[FBT_ADDR2NDX(instr)]; hash != NULL;
+ hash = hash->fbtp_hashnext) {
+ if (hash->fbtp_patchpoint == fbt->fbtp_patchpoint) {
+ fbt->fbtp_tracenext = hash;
+ fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
+ break;
+ }
+ }
+ if (hash == NULL) {
+ fbt->fbtp_hashnext = fbt_probetab[FBT_ADDR2NDX(instr)];
+ fbt_probetab[FBT_ADDR2NDX(instr)] = fbt;
+ }
lf->fbt_nentries++;
Index: sys/kern/link_elf.c
===================================================================
--- sys/kern/link_elf.c
+++ sys/kern/link_elf.c
@@ -1766,9 +1766,11 @@
link_elf_each_function_nameval(linker_file_t file,
linker_function_nameval_callback_t callback, void *opaque)
{
- linker_symval_t symval;
+ linker_symval_t symval, symval1;
+ c_linker_sym_t sym;
elf_file_t ef = (elf_file_t)file;
const Elf_Sym *symp;
+ long diff;
int i, error;
/* Exhaustive search */
@@ -1777,9 +1779,22 @@
(ELF_ST_TYPE(symp->st_info) == STT_FUNC ||
ELF_ST_TYPE(symp->st_info) == STT_GNU_IFUNC)) {
error = link_elf_debug_symbol_values(file,
- (c_linker_sym_t) symp, &symval);
- if (error == 0)
+ (c_linker_sym_t)symp, &symval);
+ if (error == 0) {
+ if (ELF_ST_TYPE(symp->st_info) ==
+ STT_GNU_IFUNC) {
+ error = link_elf_search_symbol(file,
+ symval.value, &sym, &diff);
+ if (error == 0 && diff == 0) {
+ error = link_elf_debug_symbol_values(file,
+ sym, &symval1);
+ if (error == 0)
+ symval.size =
+ symval1.size;
+ }
+ }
error = callback(file, i, &symval, opaque);
+ }
if (error != 0)
return (error);
}

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