From b7e6f7bf5794c24be2688c6cde00c4bc32424005 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sat, 27 Jun 1998 15:14:39 +0000 Subject: Cleanup weak_extern usage for _dl_hwcap and _dl_hwcap_mask. --- sysdeps/sparc/sparc32/dl-machine.h | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) (limited to 'sysdeps/sparc') diff --git a/sysdeps/sparc/sparc32/dl-machine.h b/sysdeps/sparc/sparc32/dl-machine.h index f08eb0381a..5371e3ecee 100644 --- a/sysdeps/sparc/sparc32/dl-machine.h +++ b/sysdeps/sparc/sparc32/dl-machine.h @@ -32,12 +32,6 @@ #define OPCODE_JMP_G1 0x81c06000 /* jmp %g1+?; add lo 10 bits of value */ #define OPCODE_SAVE_SP 0x9de3bfa8 /* save %sp, -(16+6)*4, %sp */ - -/* To allow static progies to link properly, define these as weak. */ -weak_extern(_dl_hwcap); -weak_extern(_dl_hwcap_mask); - - /* Protect some broken versions of gcc from misinterpreting weak addresses. */ #define WEAKADDR(x) ({ __typeof(x) *_px = &x; \ __asm ("" : "=r" (_px) : "0" (_px)); \ @@ -58,7 +52,11 @@ elf_machine_matches_host (Elf32_Half e_machine) return 1; else if (e_machine == EM_SPARC32PLUS) { - unsigned long *hwcap = WEAKADDR(_dl_hwcap); + unsigned long *hwcap; + weak_extern (_dl_hwcap); + weak_extern (_dl_hwcap_mask); + + hwcap = WEAKADDR(_dl_hwcap); return hwcap && (*hwcap & _dl_hwcap_mask & HWCAP_SPARC_V9); } else @@ -268,8 +266,11 @@ elf_machine_fixup_plt (struct link_map *map, const Elf32_Rela *reloc, #ifndef RTLD_BOOTSTRAP /* Note that we don't mask the hwcap here, as the flush is essential to functionality on those cpu's that implement it. */ - unsigned long *hwcap = WEAKADDR(_dl_hwcap); - int do_flush = (!hwcap || (*hwcap & HWCAP_SPARC_FLUSH)); + unsigned long *hwcap; + int do_flush; + weak_extern (_dl_hwcap); + hwcap = WEAKADDR(_dl_hwcap); + do_flush = (!hwcap || (*hwcap & HWCAP_SPARC_FLUSH)); #else /* Unfortunately, this is necessary, so that we can ensure ld.so will not execute corrupt PLT entry instructions. */ -- cgit v1.2.3