From 2a5473382014aa49c6ff236db3a60c8050b9e327 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Thu, 17 Sep 2015 19:45:45 +0000 Subject: [PATCH] refactor some more dynamic linker load address computations these were just missed in the previous commits. --- src/ldso/dynlink.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index dabbbba5..8e1d94f3 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -959,14 +959,14 @@ static void reloc_all(struct dso *p) if (p->relocated) continue; decode_vec(p->dynv, dyn, DYN_CNT); if (NEED_MIPS_GOT_RELOCS) - do_mips_relocs(p, (void *)(p->base+dyn[DT_PLTGOT])); - do_relocs(p, (void *)(p->base+dyn[DT_JMPREL]), dyn[DT_PLTRELSZ], + do_mips_relocs(p, laddr(p, dyn[DT_PLTGOT])); + do_relocs(p, laddr(p, dyn[DT_JMPREL]), dyn[DT_PLTRELSZ], 2+(dyn[DT_PLTREL]==DT_RELA)); - do_relocs(p, (void *)(p->base+dyn[DT_REL]), dyn[DT_RELSZ], 2); - do_relocs(p, (void *)(p->base+dyn[DT_RELA]), dyn[DT_RELASZ], 3); + do_relocs(p, laddr(p, dyn[DT_REL]), dyn[DT_RELSZ], 2); + do_relocs(p, laddr(p, dyn[DT_RELA]), dyn[DT_RELASZ], 3); if (head != &ldso && p->relro_start != p->relro_end && - mprotect(p->base+p->relro_start, p->relro_end-p->relro_start, PROT_READ) + mprotect(laddr(p, p->relro_start), p->relro_end-p->relro_start, PROT_READ) && errno != ENOSYS) { error("Error relocating %s: RELRO protection failed: %m", p->name); @@ -1193,7 +1193,7 @@ void __dls2(unsigned char *base, size_t *sp) * instead of risking stack overflow. */ size_t dyn[DYN_CNT]; decode_vec(ldso.dynv, dyn, DYN_CNT); - size_t *rel = (void *)(base+dyn[DT_REL]); + size_t *rel = laddr(&ldso, dyn[DT_REL]); size_t rel_size = dyn[DT_RELSZ]; size_t symbolic_rel_cnt = 0; apply_addends_to = rel; @@ -1212,7 +1212,7 @@ void __dls2(unsigned char *base, size_t *sp) * symbolically as a barrier against moving the address * load across the above relocation processing. */ struct symdef dls3_def = find_sym(&ldso, "__dls3", 0); - ((stage3_func)(ldso.base+dls3_def.sym->st_value))(sp); + ((stage3_func)laddr(&ldso, dls3_def.sym->st_value))(sp); } /* Stage 3 of the dynamic linker is called with the dynamic linker/libc -- 2.25.1