diff options
Diffstat (limited to 'libc/sysdeps/linux/i386/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/i386/bits/syscalls.h | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/i386/bits/syscalls.h b/libc/sysdeps/linux/i386/bits/syscalls.h index 6ad3b1dd9..857491f06 100644 --- a/libc/sysdeps/linux/i386/bits/syscalls.h +++ b/libc/sysdeps/linux/i386/bits/syscalls.h @@ -20,7 +20,13 @@ /* We need some help from the assembler to generate optimal code. We define some macros here which later will be used. */ -asm (".L__X'%ebx = 1\n\t" + +#if defined __SUPPORT_LD_DEBUG__ && defined __DOMULTI__ +#error LD debugging and DOMULTI are incompatible +#endif + +#ifdef __DOMULTI__ +__asm__ (".L__X'%ebx = 1\n\t" ".L__X'%ecx = 2\n\t" ".L__X'%edx = 2\n\t" ".L__X'%eax = 3\n\t" @@ -56,7 +62,41 @@ asm (".L__X'%ebx = 1\n\t" ".endif\n\t" ".endm\n\t" ".endif\n\t"); - +#else +__asm__ (".L__X'%ebx = 1\n\t" + ".L__X'%ecx = 2\n\t" + ".L__X'%edx = 2\n\t" + ".L__X'%eax = 3\n\t" + ".L__X'%esi = 3\n\t" + ".L__X'%edi = 3\n\t" + ".L__X'%ebp = 3\n\t" + ".L__X'%esp = 3\n\t" + ".macro bpushl name reg\n\t" + ".if 1 - \\name\n\t" + ".if 2 - \\name\n\t" + "pushl %ebx\n\t" + ".else\n\t" + "xchgl \\reg, %ebx\n\t" + ".endif\n\t" + ".endif\n\t" + ".endm\n\t" + ".macro bpopl name reg\n\t" + ".if 1 - \\name\n\t" + ".if 2 - \\name\n\t" + "popl %ebx\n\t" + ".else\n\t" + "xchgl \\reg, %ebx\n\t" + ".endif\n\t" + ".endif\n\t" + ".endm\n\t" + ".macro bmovl name reg\n\t" + ".if 1 - \\name\n\t" + ".if 2 - \\name\n\t" + "movl \\reg, %ebx\n\t" + ".endif\n\t" + ".endif\n\t" + ".endm\n\t"); +#endif #undef _syscall0 #define _syscall0(type,name) \ @@ -112,7 +152,7 @@ return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \ #define INLINE_SYSCALL(name, nr, args...) \ ({ \ unsigned int resultvar; \ - asm volatile ( \ + __asm__ __volatile__ ( \ LOADARGS_##nr \ "movl %1, %%eax\n\t" \ "int $0x80\n\t" \ |