-__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"
- ".ifndef _BITS_SYSCALLS_ASM\n\t"
- ".set _BITS_SYSCALLS_ASM,1\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\n\t");
+__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"
+
+ ".ifndef _BITS_SYSCALLS_ASM\n\t"
+ ".set _BITS_SYSCALLS_ASM,1\n\t"
+
+ /* Loading param #1 (ebx) is done by loading it into
+ * another register, and then performing bpushl+bmovl,
+ * since we must preserve ebx */
+
+ ".macro bpushl name reg\n\t"
+ ".if 1 - \\name\n\t" /* if reg!=ebx... */
+ ".if 2 - \\name\n\t" /* if reg can't be clobbered... */
+ "pushl %ebx\n\t" /* save ebx on stack */
+ ".else\n\t"
+ "xchgl \\reg, %ebx\n\t" /* else save ebx in reg, and load reg to ebx */
+ ".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" /* if reg can't be clobbered... */
+ "movl \\reg, %ebx\n\t" /* load reg to ebx */
+ ".endif\n\t"
+ ".endif\n\t"
+ ".endm\n\t"
+
+ ".endif\n\t" /* _BITS_SYSCALLS_ASM */
+
+ ".macro bpopl name reg\n\t"
+ ".if 1 - \\name\n\t"
+ ".if 2 - \\name\n\t" /* if reg can't be clobbered... */
+ "popl %ebx\n\t" /* restore ebx from stack */
+ ".else\n\t"
+ "xchgl \\reg, %ebx\n\t" /* else restore ebx from reg */
+ ".endif\n\t"
+ ".endif\n\t"
+ ".endm\n\t"
+);