diff options
Diffstat (limited to 'ldso/ldso/arm/dl-sysdep.h')
| -rw-r--r-- | ldso/ldso/arm/dl-sysdep.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/ldso/ldso/arm/dl-sysdep.h b/ldso/ldso/arm/dl-sysdep.h index 794c86a0c..194fd2eb7 100644 --- a/ldso/ldso/arm/dl-sysdep.h +++ b/ldso/ldso/arm/dl-sysdep.h @@ -85,7 +85,25 @@ elf_machine_load_address (void) extern void __dl_start asm ("_dl_start"); Elf32_Addr got_addr = (Elf32_Addr) &__dl_start; Elf32_Addr pcrel_addr; +#if !defined __thumb__ asm ("adr %0, _dl_start" : "=r" (pcrel_addr)); +#else + int tmp; + /* The above adr will not work on thumb because it + * is negative. The only safe way is to temporarily + * swap to arm. + */ + asm( ".align 2\n" + " bx pc\n" + " nop \n" + " .arm \n" + " adr %0, _dl_start\n" + " .align 2\n" + " orr %1, pc, #1\n" + " bx %1\n" + " .force_thumb\n" + : "=r" (pcrel_addr), "=&r" (tmp)); +#endif return pcrel_addr - got_addr; } |