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openSUSE:12.2
python-greenlet
i686-register-fixes.patch
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File i686-register-fixes.patch of Package python-greenlet
# HG changeset patch # User Alexey Borzenkov <snaury@gmail.com> # Date 1313701525 -14400 # Node ID 25bf29f4d3b79b026c1c05787bb741a8e7ef2229 # Parent c0bf397a723d4b61d7ef78cf575dea4c0fdb527e Fix compilation and register problems on some i386 configurations diff -r c0bf397a723d4b61d7ef78cf575dea4c0fdb527e -r 25bf29f4d3b79b026c1c05787bb741a8e7ef2229 platform/switch_x86_unix.h --- a/platform/switch_x86_unix.h Thu Aug 18 02:44:20 2011 +0400 +++ b/platform/switch_x86_unix.h Fri Aug 19 01:05:25 2011 +0400 @@ -2,6 +2,8 @@ * this is the internal transfer function. * * HISTORY + * 19-Aug-11 Alexey Borzenkov <snaury@gmail.com> + * Correctly save ebp, ebx and cw * 07-Sep-05 (py-dev mailing list discussion) * removed 'ebx' from the register-saved. !!!! WARNING !!!! * It means that this file can no longer be compiled statically! @@ -34,18 +36,13 @@ static int slp_switch(void) { + void *ebp, *ebx; + unsigned short cw; register int *stackref, stsizediff; - /* !!!!WARNING!!!! need to add "ebx" in the next line, as well as in the - * last line of this function, if this header file is meant to be compiled - * non-dynamically! - */ - __asm__ volatile ("" : : : - "esi", - "edi" -#ifdef __MINGW32__ - , "ebx" -#endif - ); + __asm__ volatile ("" : : : "esi", "edi"); + __asm__ volatile ("fstcw %0" : "=m" (cw)); + __asm__ volatile ("movl %%ebp, %0" : "=m" (ebp)); + __asm__ volatile ("movl %%ebx, %0" : "=m" (ebx)); __asm__ ("movl %%esp, %0" : "=g" (stackref)); { SLP_SAVE_STATE(stackref, stsizediff); @@ -57,13 +54,10 @@ ); SLP_RESTORE_STATE(); } - __asm__ volatile ("" : : : - "esi", - "edi" -#ifdef __MINGW32__ - , "ebx" -#endif - ); + __asm__ volatile ("movl %0, %%ebx" : : "m" (ebx)); + __asm__ volatile ("movl %0, %%ebp" : : "m" (ebp)); + __asm__ volatile ("fldcw %0" : : "m" (cw)); + __asm__ volatile ("" : : : "esi", "edi"); return 0; }
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