From: Rich Felker Date: Tue, 28 Jun 2011 18:20:41 +0000 (-0400) Subject: use load address from elf header if possible X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=bf30100ad7e208dbac5835b38881c98ceb5b928f;ds=sidebyside use load address from elf header if possible this is mostly useless for shared libs (though it could help for prelink-like purposes); the intended use case is for adding support for calling the dynamic linker directly to run a program, as in: ./libc.so ./a.out foo this usage is not yet supported. --- diff --git a/src/ldso/dynlink.c b/src/ldso/dynlink.c index 82aaeec1..527b36bd 100644 --- a/src/ldso/dynlink.c +++ b/src/ldso/dynlink.c @@ -189,7 +189,7 @@ static void *map_library(int fd, size_t *lenp, unsigned char **basep, size_t *dy * the length of the file. This is okay because we will not * use the invalid part; we just need to reserve the right * amount of virtual address space to map over later. */ - map = mmap(0, map_len, prot, MAP_PRIVATE, fd, off_start); + map = mmap((void *)addr_min, map_len, prot, MAP_PRIVATE, fd, off_start); if (map==MAP_FAILED) return 0; base = map - addr_min; ph = (void *)((char *)buf + eh->e_phoff);