From 191ebcac31ceb27664790a70a36ff4602e12d9d0 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Thu, 30 Jun 2011 23:02:27 -0400 Subject: [PATCH] simple rpath support (no token expansion yet) for dynamic linker --- src/ldso/dynlink.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index 465fe4cf..fc06685f 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -53,7 +53,7 @@ struct dso }; static struct dso *head, *tail, *libc; -static char *env_path, *sys_path; +static char *env_path, *sys_path, *r_path; static int rtld_used; static int runtime; static jmp_buf rtld_fail; @@ -316,7 +316,8 @@ static struct dso *load_library(const char *name) } else { if (strlen(name) > NAME_MAX) return 0; fd = -1; - if (env_path) fd = path_open(name, env_path); + if (r_path) fd = path_open(name, r_path); + if (fd < 0 && env_path) fd = path_open(name, env_path); if (fd < 0) { if (!sys_path) { FILE *f = fopen(ETC_LDSO_PATH, "r"); @@ -378,6 +379,10 @@ static void load_deps(struct dso *p) size_t i, ndeps=0; struct dso ***deps = &p->deps, **tmp, *dep; for (; p; p=p->next) { + for (i=0; p->dynv[i]; i+=2) { + if (p->dynv[i] != DT_RPATH) continue; + r_path = (void *)(p->strings + p->dynv[i+1]); + } for (i=0; p->dynv[i]; i+=2) { if (p->dynv[i] != DT_NEEDED) continue; dep = load_library(p->strings + p->dynv[i+1]); @@ -395,6 +400,7 @@ static void load_deps(struct dso *p) *deps = tmp; } } + r_path = 0; } } -- 2.25.1