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authorUlrich Drepper <drepper@redhat.com>1998-10-21 15:40:39 +0000
committerUlrich Drepper <drepper@redhat.com>1998-10-21 15:40:39 +0000
commitadcb550ca6efa4934faece8adc5a40f60f2c03dd (patch)
tree03d7243f25009ea91672be31be7265e7c8c78dbc /sysdeps/unix/sysv/linux/i386/sysdep.h
parent0dee67386c1ef99baee307ab01d20c79739cbc2a (diff)
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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/sysdep.h')
-rw-r--r--sysdeps/unix/sysv/linux/i386/sysdep.h95
1 files changed, 95 insertions, 0 deletions
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 */