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path: root/src/libelfu/modelops/reladd.c
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Diffstat (limited to 'src/libelfu/modelops/reladd.c')
-rw-r--r--src/libelfu/modelops/reladd.c44
1 files changed, 8 insertions, 36 deletions
diff --git a/src/libelfu/modelops/reladd.c b/src/libelfu/modelops/reladd.c
index fc0adc3..1980c76 100644
--- a/src/libelfu/modelops/reladd.c
+++ b/src/libelfu/modelops/reladd.c
@@ -36,28 +36,6 @@ static ElfuScn* cloneScn(ElfuScn *ms)
}
-static int appendData(ElfuScn *ms, void *buf, size_t len)
-{
- char *newbuf;
-
- assert(ms);
- assert(ms->shdr.sh_type != SHT_NOBITS);
- assert(ms->databuf);
-
- newbuf = realloc(ms->databuf, ms->shdr.sh_size + len);
- if (!newbuf) {
- ELFU_WARN("appendData: malloc() failed for newbuf.\n");
- return 1;
- }
-
- ms->databuf = newbuf;
- memcpy(newbuf + ms->shdr.sh_size, buf, len);
- ms->shdr.sh_size += len;
- assert(ms->shdr.sh_size == ms->shdr.sh_size);
-
- return 0;
-}
-
static ElfuScn* insertSection(ElfuElf *me, ElfuElf *mrel, ElfuScn *oldscn)
{
@@ -128,7 +106,6 @@ static ElfuScn* insertSection(ElfuElf *me, ElfuElf *mrel, ElfuScn *oldscn)
/* Inject name */
if (me->shstrtab) {
- char *newname;
size_t newnamelen;
newnamelen = strlen("reladd") + 1;
@@ -136,21 +113,15 @@ static ElfuScn* insertSection(ElfuElf *me, ElfuElf *mrel, ElfuScn *oldscn)
newnamelen += strlen(elfu_mScnName(mrel, oldscn));
}
- newname = malloc(newnamelen);
+ char newname[newnamelen];
+
strcpy(newname, "reladd");
strcat(newname, elfu_mScnName(mrel, oldscn));
- if (!newname) {
- ELFU_WARN("insertSection: malloc() failed for newname. Leaving section name empty.\n");
- newscn->shdr.sh_name = 0;
- } else {
- size_t offset = me->shstrtab->shdr.sh_size;
-
- if (!appendData(me->shstrtab, newname, newnamelen)) {
- newscn->shdr.sh_name = offset;
- }
+ newscn->shdr.sh_name = me->shstrtab->shdr.sh_size;
- free(newname);
+ if (elfu_mScnAppendData(me->shstrtab, newname, newnamelen)) {
+ newscn->shdr.sh_name = 0;
}
}
@@ -262,8 +233,9 @@ static void insertSymClone(ElfuElf *me, const ElfuScn *oldmsst, const ElfuSym *o
}
}
- // TODO: Allocate symtab if none present
- assert(me->symtab);
+ /* If we don't have a symbol table, create one so we have somewhere to
+ * write our new symbols to. */
+ elfu_mSymtabAddGlobalDymtabIfNotPresent(me);
/* Allocate memory for the cloned symbol */
newsym = malloc(sizeof(*newsym));