From 2559592659fe8225fc7d67fa5bc83a1589819054 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Mon, 23 May 2016 03:38:00 +0200 Subject: microblaze: fix setjmp/longjmp Sync mostly with GNU libc implementation of setjmp/longjmp. Just generate PIC compatible code, so no difference for static builds are made. Add sysdep.h with some handy assembly macros used inside setjmp.S/__longjmp.S. This unbreaks dynamic linker support, first test suite run only shows 10 errors, which doesn't look so bad. --- libc/sysdeps/linux/microblaze/setjmp.S | 43 ++++++++++++---------------------- 1 file changed, 15 insertions(+), 28 deletions(-) (limited to 'libc/sysdeps/linux/microblaze/setjmp.S') diff --git a/libc/sysdeps/linux/microblaze/setjmp.S b/libc/sysdeps/linux/microblaze/setjmp.S index 3c1d8a1dd..b40850cae 100644 --- a/libc/sysdeps/linux/microblaze/setjmp.S +++ b/libc/sysdeps/linux/microblaze/setjmp.S @@ -28,27 +28,21 @@ License along with the GNU C Library; if not, see . */ -#include +#include - .text - .globl C_SYMBOL_NAME(setjmp) - .align 4 -C_SYMBOL_NAME(setjmp): -#ifdef __PIC__ - brid 1f -#else - braid C_SYMBOL_NAME(__sigsetjmp) -#endif - addi r6, r0, 1 /* Save the signal mask. */ +ENTRY(_setjmp) + addik r6, r0, 0 +END(_setjmp) +libc_hidden_def(_setjmp) - .globl C_SYMBOL_NAME(_setjmp) -C_SYMBOL_NAME(_setjmp): - and r6, r0, r0 /* Don't save the signal mask. */ +ENTRY(setjmp) + brid 1f + addik r6, r0, 1 +END(setjmp) +libc_hidden_def(setjmp) - .globl C_SYMBOL_NAME(__sigsetjmp) -C_SYMBOL_NAME(__sigsetjmp): +ENTRY(__sigsetjmp) 1: - /* Save registers relative to r5 (arg0)*/ swi r1, r5, 0 /* stack pointer */ swi r15, r5, 4 /* link register */ swi r2, r5, 8 /* SDA and SDA2 ptrs */ @@ -68,14 +62,7 @@ C_SYMBOL_NAME(__sigsetjmp): swi r30, r5, 64 swi r31, r5, 68 - /* Make a tail call to __sigjmp_save; it takes the same args. */ -#ifdef __PIC__ - mfs r12,rpc - addik r12,r12,_GLOBAL_OFFSET_TABLE_+8 - lwi r12,r12,__sigjmp_save@GOT - brad r12 - nop -#else - braid C_SYMBOL_NAME(__sigjmp_save) - nop -#endif + bri __sigjmp_save + +END(__sigsetjmp) +libc_hidden_def(__sigsetjmp) -- cgit v1.2.3