From b7f3e6ba317bec299e43156efcdb5469f39a8a3c Mon Sep 17 00:00:00 2001 From: Zebediah Figura Date: Tue, 27 Nov 2018 19:29:44 -0600 Subject: [PATCH] dbghelp: Avoid using inline assembly in do_x86cpuid(). Signed-off-by: Zebediah Figura Signed-off-by: Alexandre Julliard --- dlls/dbghelp/minidump.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) diff --git a/dlls/dbghelp/minidump.c b/dlls/dbghelp/minidump.c index 975bb45c9a4..25c209c2194 100644 --- a/dlls/dbghelp/minidump.c +++ b/dlls/dbghelp/minidump.c @@ -18,6 +18,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ +#include "config.h" #include #define NONAMELESSUNION @@ -542,20 +543,26 @@ static unsigned dump_modules(struct dump_context* dc, BOOL dump_elf) return sz; } -/* Calls cpuid with an eax of 'ax' and returns the 16 bytes in *p - * We are compiled with -fPIC, so we can't clobber ebx. - */ -static inline void do_x86cpuid(unsigned int ax, unsigned int *p) +#ifdef __i386__ +extern void do_x86cpuid(unsigned int ax, unsigned int *p); +__ASM_GLOBAL_FUNC( do_x86cpuid, + "pushl %esi\n\t" + "pushl %ebx\n\t" + "movl 12(%esp),%eax\n\t" + "movl 16(%esp),%esi\n\t" + "cpuid\n\t" + "movl %eax,(%esi)\n\t" + "movl %ebx,4(%esi)\n\t" + "movl %ecx,8(%esi)\n\t" + "movl %edx,12(%esi)\n\t" + "popl %ebx\n\t" + "popl %esi\n\t" + "ret" ) +#else +static void do_x86cpuid(unsigned int ax, unsigned int *p) { -#if defined(__GNUC__) && defined(__i386__) - __asm__("pushl %%ebx\n\t" - "cpuid\n\t" - "movl %%ebx, %%esi\n\t" - "popl %%ebx" - : "=a" (p[0]), "=S" (p[1]), "=c" (p[2]), "=d" (p[3]) - : "0" (ax)); -#endif } +#endif /* From xf86info havecpuid.c 1.11 */ static inline int have_x86cpuid(void)