typedef void* (PhdrHandlerFunc)(ElfuElf *me, ElfuPhdr *mp, void *aux1, void *aux2);
void* elfu_mPhdrForall(ElfuElf *me, PhdrHandlerFunc f, void *aux1, void *aux2);
size_t elfu_mPhdrCount(ElfuElf *me);
+ElfuPhdr* elfu_mPhdrByAddr(ElfuElf *me, GElf_Addr addr);
+ElfuPhdr* elfu_mPhdrByOffset(ElfuElf *me, GElf_Off offset);
void elfu_mPhdrUpdateChildOffsets(ElfuPhdr *mp);
ElfuPhdr* elfu_mPhdrAlloc();
void elfu_mPhdrDestroy(ElfuPhdr* mp);
return NULL;
}
-
size_t elfu_mPhdrCount(ElfuElf *me)
{
size_t i = 0;
+
+/* Finding */
+
+static void* subFindLoadByAddr(ElfuElf *me, ElfuPhdr *mp, void *aux1, void *aux2)
+{
+ GElf_Addr addr = *(GElf_Addr*)aux1;
+ (void)aux2;
+
+ if (mp->phdr.p_type == PT_LOAD
+ && FULLY_OVERLAPPING(mp->phdr.p_vaddr, mp->phdr.p_memsz, addr, 1)) {
+ return mp;
+ }
+
+ /* Continue */
+ return NULL;
+}
+
+ElfuPhdr* elfu_mPhdrByAddr(ElfuElf *me, GElf_Addr addr)
+{
+ return elfu_mPhdrForall(me, subFindLoadByAddr, &addr, NULL);
+}
+
+
+static void* subFindLoadByOffset(ElfuElf *me, ElfuPhdr *mp, void *aux1, void *aux2)
+{
+ GElf_Off offset = *(GElf_Off*)aux1;
+ (void)aux2;
+
+ if (mp->phdr.p_type == PT_LOAD
+ && FULLY_OVERLAPPING(mp->phdr.p_offset, mp->phdr.p_filesz, offset, 1)) {
+ return mp;
+ }
+
+ /* Continue */
+ return NULL;
+}
+
+ElfuPhdr* elfu_mPhdrByOffset(ElfuElf *me, GElf_Off offset)
+{
+ return elfu_mPhdrForall(me, subFindLoadByOffset, &offset, NULL);
+}
+
+
+
+
/* Layout update */
void elfu_mPhdrUpdateChildOffsets(ElfuPhdr *mp)