From adcb550ca6efa4934faece8adc5a40f60f2c03dd Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 21 Oct 1998 15:40:39 +0000 Subject: Update. * sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise. * sysdeps/unix/sysv/linux/Makefile [subdir=signal] (sysdep_routines): Move definition to... * sysdeps/unix/sysv/linux/alpha/Makefile: ...here... * sysdeps/unix/sysv/linux/arm/syscalls.list: ...and here... * sysdeps/unix/sysv/linux/m68k/syscalls.list: ...and here... * sysdeps/unix/sysv/linux/mips/syscalls.list: ...and here... * sysdeps/unix/sysv/linux/powerpc/syscalls.list: ...and here... * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: ...and here... * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: ...and here. --- sysdeps/unix/sysv/linux/i386/sysdep.h | 95 +++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) (limited to 'sysdeps/unix/sysv/linux/i386/sysdep.h') diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h index f9c70f410f..2120f28977 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.h +++ b/sysdeps/unix/sysv/linux/i386/sysdep.h @@ -198,6 +198,101 @@ #define _DOARGS_5(n) movl n(%esp), %edi; _DOARGS_4 (n-4) #define _POPARGS_5 _POPARGS_4; popl %edi +#else /* !__ASSEMBLER__ */ + +/* Define a macro which expands inline into the wrapper code for a system + call. */ +#undef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) \ + ({ \ + unsigned int resultvar; \ + EXTRAVARS_##nr(args) \ + asm volatile ( \ + PUSHARGS_##nr \ + DOARGS_##nr \ + "int $0x80\n\t" \ + POPARGS_##nr \ + : "=a" (resultvar) \ + ASMFMT_##nr(args) \ + "i" (__NR_##name) : "memory", "cc"); \ + if (resultvar >= 0xfffff001) \ + { \ + __set_errno (-resultvar); \ + resultvar = 0xffffffff; \ + } \ + (int) resultvar; }) + + +#define PUSHARGS_0 /* Nothing */ +#define DOARGS_0 "movl %1, %%eax\n\t" +#define POPARGS_0 /* Nothing */ +#define _PUSHARGS_0 /* Nothing */ +#define _DOARGS_0 /* Nothing */ +#define _POPARGS_0 /* Nothing */ +#define ASMFMT_0() : +#define EXTRAVARS_0() /* Nothing */ + +#define PUSHARGS_1 "xchgl %%ebx, %%edx\n\t" _PUSHARGS_0 +#define DOARGS_1 _DOARGS_0 "movl %3, %%eax\n\t" +#define POPARGS_1 _POPARGS_0 "xchgl %%edx, %%ebx" +#define _PUSHARGS_1 _PUSHARGS_0 "pushl %%ebx\n\t" +#define _DOARGS_1 "movl %3, %%ebx\n\t" _DOARGS_0 +#define _POPARGS_1 "popl %%ebx\n\t" _POPARGS_0 +#define ASMFMT_1(arg1) \ + , "=d" (use_edx) : "1" (arg1), +#define EXTRAVARS_1(arg1) \ + unsigned long int use_edx; + +#define PUSHARGS_2 PUSHARGS_1 +#define DOARGS_2 _DOARGS_0 "movl %5, %%eax\n\t" +#define POPARGS_2 POPARGS_1 +#define _PUSHARGS_2 _PUSHARGS_1 +#define _DOARGS_2 _DOARGS_1 +#define _POPARGS_2 _POPARGS_1 +#define ASMFMT_2(arg1, arg2) \ + , "=&d" (use_edx), "=c" (use_ecx) : "1" (arg1), "2" (use_ecx), +#define EXTRAVARS_2(arg1, arg2) \ + unsigned long int use_ecx = (unsigned long int) (arg2), use_edx; + +#define PUSHARGS_3 _PUSHARGS_3 +#define DOARGS_3 _DOARGS_3 "movl %6, %%eax\n\t" +#define POPARGS_3 _POPARGS_3 +#define _PUSHARGS_3 _PUSHARGS_2 +#define _DOARGS_3 _DOARGS_2 +#define _POPARGS_3 _POPARGS_2 +#define ASMFMT_3(arg1, arg2, arg3) \ + , "=d" (use_edx), "=c" (use_ecx) \ + : "0" (arg1), "2" (use_ecx), "1" (use_edx), +#define EXTRAVARS_3(arg1, arg2, arg3) \ + unsigned long int use_ecx = (unsigned long int) (arg2); \ + unsigned long int use_edx = (unsigned long int) (arg3); + +#define PUSHARGS_4 _PUSHARGS_4 +#define DOARGS_4 _DOARGS_4 "movl %7, %%eax\n\t" +#define POPARGS_4 _POPARGS_4 +#define _PUSHARGS_4 _PUSHARGS_3 +#define _DOARGS_4 _DOARGS_3 +#define _POPARGS_4 _POPARGS_3 +#define ASMFMT_4(arg1, arg2, arg3, arg4) \ + , "=d" (use_edx), "=c" (use_ecx) \ + : "0" (arg1), "2" (use_ecx), "1" (use_edx), "S" (arg4), +#define EXTRAVARS_4(arg1, arg2, arg3, arg4) \ + unsigned long int use_ecx = (unsigned long int) (arg2); \ + unsigned long int use_edx = (unsigned long int) (arg3); + +#define PUSHARGS_5 _PUSHARGS_5 +#define DOARGS_5 _DOARGS_5 "movl %8, %%eax\n\t" +#define POPARGS_5 _POPARGS_5 +#define _PUSHARGS_5 PUSHARGS_4 +#define _DOARGS_5 _DOARGS_4 +#define _POPARGS_5 _POPARGS_4 +#define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \ + , "=d" (use_edx), "=c" (use_ecx) \ + : "0" (arg1), "2" (use_ecx), "1" (use_edx), "S" (arg4), "D" (arg5), +#define EXTRAVARS_5(arg1, arg2, arg3, arg4, arg5) \ + unsigned long int use_ecx = (unsigned long int) (arg2); \ + unsigned long int use_edx = (unsigned long int) (arg3); + #endif /* __ASSEMBLER__ */ #endif /* linux/i386/sysdep.h */ -- cgit v1.2.3-70-g09d2