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simple rpath support (no token expansion yet) for dynamic linker

This commit is contained in:
Rich Felker 2011-06-30 23:02:27 -04:00
parent 17be829104
commit 191ebcac31
1 changed files with 8 additions and 2 deletions
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10
src/ldso/dynlink.c
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@ -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;
}
}