diff options
| -rw-r--r-- | src/ldso/dynlink.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index 86d4b803..b26992d3 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -467,6 +467,7 @@ void *__dynlink(int argc, char **argv, size_t *got) size_t i; Phdr *phdr; Ehdr *ehdr; + size_t *lib_dynv; static struct dso builtin_dsos[3]; struct dso *const app = builtin_dsos+0; struct dso *const lib = builtin_dsos+1; @@ -498,8 +499,16 @@ void *__dynlink(int argc, char **argv, size_t *got) } } - /* Relocate ldso's DYNAMIC pointer and load vector */ - decode_vec((void *)(got[0] += aux[AT_BASE]), lib_dyn, DYN_CNT); + /* Find the dynamic linker's DYNAMIC section and decode it */ + ehdr = (void *)aux[AT_BASE]; + phdr = (void *)(aux[AT_BASE] + ehdr->e_phoff); + for (i=ehdr->e_phnum; i--; phdr=(void *)((char *)phdr + ehdr->e_phentsize)) { + if (phdr->p_type == PT_DYNAMIC) { + lib_dynv = (void *)(aux[AT_BASE] + phdr->p_vaddr); + decode_vec(lib_dynv, lib_dyn, DYN_CNT); + break; + } + } /* Find the program image's DYNAMIC section and decode it */ phdr = (void *)aux[AT_PHDR]; @@ -526,7 +535,7 @@ void *__dynlink(int argc, char **argv, size_t *got) .strings = (void *)(aux[AT_BASE]+lib_dyn[DT_STRTAB]), .hashtab = (void *)(aux[AT_BASE]+lib_dyn[DT_HASH]), .syms = (void *)(aux[AT_BASE]+lib_dyn[DT_SYMTAB]), - .dynv = (void *)(got[0]), + .dynv = lib_dynv, .name = "libc.so", .global = 1, .relocated = 1 |