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-rw-r--r--src/syscall-alpha.h204
-rw-r--r--src/syscall-arm.h90
-rw-r--r--src/syscall-arm64.h83
-rw-r--r--src/syscall-generic.h35
-rw-r--r--src/syscall-i386.h67
-rw-r--r--src/syscall-ia64.h40
-rw-r--r--src/syscall-ppc.h89
-rw-r--r--src/syscall-s390.h126
-rw-r--r--src/syscall-sparc.h98
-rw-r--r--src/syscall-x86_64.h58
-rw-r--r--src/syscall.h36
11 files changed, 34 insertions, 892 deletions
diff --git a/src/syscall-alpha.h b/src/syscall-alpha.h
index 467b74f..0aa4d3d 100644
--- a/src/syscall-alpha.h
+++ b/src/syscall-alpha.h
@@ -3,207 +3,3 @@
#define __NR_io_getevents 400
#define __NR_io_submit 401
#define __NR_io_cancel 402
-
-#define inline_syscall_r0_asm
-#define inline_syscall_r0_out_constraint "=v"
-
-#define inline_syscall_clobbers \
- "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", \
- "$22", "$23", "$24", "$25", "$27", "$28", "memory"
-
-#define inline_syscall0(name, args...) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_19 __asm__("$19"); \
- \
- _sc_0 = name; \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19) \
- : "0"(_sc_0) \
- : inline_syscall_clobbers, \
- "$16", "$17", "$18", "$20", "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall1(name,arg1) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_19 __asm__("$19"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16) \
- : "0"(_sc_0), "2"(_sc_16) \
- : inline_syscall_clobbers, \
- "$17", "$18", "$20", "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall2(name,arg1,arg2) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_17 __asm__("$17"); \
- register long _sc_19 __asm__("$19"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- _sc_17 = (long) (arg2); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3 %4" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17) \
- : "0"(_sc_0), "2"(_sc_16), "3"(_sc_17) \
- : inline_syscall_clobbers, \
- "$18", "$20", "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall3(name,arg1,arg2,arg3) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_17 __asm__("$17"); \
- register long _sc_18 __asm__("$18"); \
- register long _sc_19 __asm__("$19"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- _sc_17 = (long) (arg2); \
- _sc_18 = (long) (arg3); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3 %4 %5" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
- "=r"(_sc_18) \
- : "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
- "4"(_sc_18) \
- : inline_syscall_clobbers, "$20", "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall4(name,arg1,arg2,arg3,arg4) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_17 __asm__("$17"); \
- register long _sc_18 __asm__("$18"); \
- register long _sc_19 __asm__("$19"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- _sc_17 = (long) (arg2); \
- _sc_18 = (long) (arg3); \
- _sc_19 = (long) (arg4); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3 %4 %5 %6" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
- "=r"(_sc_18) \
- : "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
- "4"(_sc_18), "1"(_sc_19) \
- : inline_syscall_clobbers, "$20", "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall5(name,arg1,arg2,arg3,arg4,arg5) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_17 __asm__("$17"); \
- register long _sc_18 __asm__("$18"); \
- register long _sc_19 __asm__("$19"); \
- register long _sc_20 __asm__("$20"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- _sc_17 = (long) (arg2); \
- _sc_18 = (long) (arg3); \
- _sc_19 = (long) (arg4); \
- _sc_20 = (long) (arg5); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3 %4 %5 %6 %7" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
- "=r"(_sc_18), "=r"(_sc_20) \
- : "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), \
- "4"(_sc_18), "1"(_sc_19), "5"(_sc_20) \
- : inline_syscall_clobbers, "$21"); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define inline_syscall6(name,arg1,arg2,arg3,arg4,arg5,arg6) \
-{ \
- register long _sc_0 inline_syscall_r0_asm; \
- register long _sc_16 __asm__("$16"); \
- register long _sc_17 __asm__("$17"); \
- register long _sc_18 __asm__("$18"); \
- register long _sc_19 __asm__("$19"); \
- register long _sc_20 __asm__("$20"); \
- register long _sc_21 __asm__("$21"); \
- \
- _sc_0 = name; \
- _sc_16 = (long) (arg1); \
- _sc_17 = (long) (arg2); \
- _sc_18 = (long) (arg3); \
- _sc_19 = (long) (arg4); \
- _sc_20 = (long) (arg5); \
- _sc_21 = (long) (arg6); \
- __asm__ __volatile__ \
- ("callsys # %0 %1 <= %2 %3 %4 %5 %6 %7 %8" \
- : inline_syscall_r0_out_constraint (_sc_0), \
- "=r"(_sc_19), "=r"(_sc_16), "=r"(_sc_17), \
- "=r"(_sc_18), "=r"(_sc_20), "=r"(_sc_21) \
- : "0"(_sc_0), "2"(_sc_16), "3"(_sc_17), "4"(_sc_18), \
- "1"(_sc_19), "5"(_sc_20), "6"(_sc_21) \
- : inline_syscall_clobbers); \
- _sc_ret = _sc_0, _sc_err = _sc_19; \
-}
-
-#define INLINE_SYSCALL1(name, nr, args...) \
-({ \
- long _sc_ret, _sc_err; \
- inline_syscall##nr(__NR_##name, args); \
- if (_sc_err != 0) \
- { \
- _sc_ret = -(_sc_ret); \
- } \
- _sc_ret; \
-})
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-{ \
- return (type)INLINE_SYSCALL1(sname, 1, arg1); \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) \
-{ \
- return (type)INLINE_SYSCALL1(sname, 2, arg1, arg2); \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) \
-{ \
- return (type)INLINE_SYSCALL1(sname, 3, arg1, arg2, arg3); \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
- return (type)INLINE_SYSCALL1(sname, 4, arg1, arg2, arg3, arg4); \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5) \
-type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-{ \
- return (type)INLINE_SYSCALL1(sname, 5, arg1, arg2, arg3, arg4, arg5);\
-}
diff --git a/src/syscall-arm.h b/src/syscall-arm.h
index 4a9b665..556852b 100644
--- a/src/syscall-arm.h
+++ b/src/syscall-arm.h
@@ -24,93 +24,3 @@
#define __NR_io_getevents (__NR_SYSCALL_BASE+245)
#define __NR_io_submit (__NR_SYSCALL_BASE+246)
#define __NR_io_cancel (__NR_SYSCALL_BASE+247)
-
-#define __sys2(x) #x
-#define __sys1(x) __sys2(x)
-
-#if defined(__thumb__) || defined(__ARM_EABI__)
-#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
-#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
-#define __syscall(name) "swi\t0"
-#else
-#define __SYS_REG(name)
-#define __SYS_REG_LIST(regs...) regs
-#define __syscall(name) "swi\t" __sys1(__NR_##name) ""
-#endif
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) { \
- __SYS_REG(sname) \
- register long __r0 __asm__("r0") = (long)arg1; \
- register long __res_r0 __asm__("r0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_r0) \
- : __SYS_REG_LIST( "0" (__r0) ) \
- : "memory" ); \
- return (type) __res_r0; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) { \
- __SYS_REG(sname) \
- register long __r0 __asm__("r0") = (long)arg1; \
- register long __r1 __asm__("r1") = (long)arg2; \
- register long __res_r0 __asm__("r0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_r0) \
- : __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) \
- : "memory" ); \
- return (type) __res_r0; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) { \
- __SYS_REG(sname) \
- register long __r0 __asm__("r0") = (long)arg1; \
- register long __r1 __asm__("r1") = (long)arg2; \
- register long __r2 __asm__("r2") = (long)arg3; \
- register long __res_r0 __asm__("r0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_r0) \
- : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) \
- : "memory" ); \
- return (type) __res_r0; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
- __SYS_REG(sname) \
- register long __r0 __asm__("r0") = (long)arg1; \
- register long __r1 __asm__("r1") = (long)arg2; \
- register long __r2 __asm__("r2") = (long)arg3; \
- register long __r3 __asm__("r3") = (long)arg4; \
- register long __res_r0 __asm__("r0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_r0) \
- : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) \
- : "memory" ); \
- return (type) __res_r0; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {\
- __SYS_REG(sname) \
- register long __r0 __asm__("r0") = (long)arg1; \
- register long __r1 __asm__("r1") = (long)arg2; \
- register long __r2 __asm__("r2") = (long)arg3; \
- register long __r3 __asm__("r3") = (long)arg4; \
- register long __r4 __asm__("r4") = (long)arg5; \
- register long __res_r0 __asm__("r0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_r0) \
- : __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), \
- "r" (__r3), "r" (__r4) ) \
- : "memory" ); \
- return (type) __res_r0; \
-}
-
diff --git a/src/syscall-arm64.h b/src/syscall-arm64.h
index 031c571..c20bb3a 100644
--- a/src/syscall-arm64.h
+++ b/src/syscall-arm64.h
@@ -16,86 +16,3 @@
#define __NR_io_submit 2
#define __NR_io_cancel 3
#define __NR_io_getevents 4
-
-#define __sys2(x) #x
-#define __sys1(x) __sys2(x)
-
-#define __SYS_REG(name) register long __sysreg __asm__("w8") = __NR_##name;
-#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
-#define __syscall(name) "svc\t#0"
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) { \
- __SYS_REG(sname) \
- register long __x0 __asm__("x0") = (long)arg1; \
- register long __res_x0 __asm__("x0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_x0) \
- : __SYS_REG_LIST( "0" (__x0) ) \
- : "memory" ); \
- return (type) __res_x0; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) { \
- __SYS_REG(sname) \
- register long __x0 __asm__("x0") = (long)arg1; \
- register long __x1 __asm__("x1") = (long)arg2; \
- register long __res_x0 __asm__("x0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_x0) \
- : __SYS_REG_LIST( "0" (__x0), "r" (__x1) ) \
- : "memory" ); \
- return (type) __res_x0; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) { \
- __SYS_REG(sname) \
- register long __x0 __asm__("x0") = (long)arg1; \
- register long __x1 __asm__("x1") = (long)arg2; \
- register long __x2 __asm__("x2") = (long)arg3; \
- register long __res_x0 __asm__("x0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_x0) \
- : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2) ) \
- : "memory" ); \
- return (type) __res_x0; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
- __SYS_REG(sname) \
- register long __x0 __asm__("x0") = (long)arg1; \
- register long __x1 __asm__("x1") = (long)arg2; \
- register long __x2 __asm__("x2") = (long)arg3; \
- register long __x3 __asm__("x3") = (long)arg4; \
- register long __res_x0 __asm__("x0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_x0) \
- : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), "r" (__x3) ) \
- : "memory" ); \
- return (type) __res_x0; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {\
- __SYS_REG(sname) \
- register long __x0 __asm__("x0") = (long)arg1; \
- register long __x1 __asm__("x1") = (long)arg2; \
- register long __x2 __asm__("x2") = (long)arg3; \
- register long __x3 __asm__("x3") = (long)arg4; \
- register long __x4 __asm__("x4") = (long)arg5; \
- register long __res_x0 __asm__("x0"); \
- __asm__ __volatile__ ( \
- __syscall(sname) \
- : "=r" (__res_x0) \
- : __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), \
- "r" (__x3), "r" (__x4) ) \
- : "memory" ); \
- return (type) __res_x0; \
-}
diff --git a/src/syscall-generic.h b/src/syscall-generic.h
deleted file mode 100644
index 44d57f3..0000000
--- a/src/syscall-generic.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <errno.h>
-#include <unistd.h>
-#include <sys/syscall.h>
-
-#define _body_io_syscall(sname, args...) \
-{ \
- int ret, saved_errno; \
- saved_errno = errno; \
- ret= syscall(__NR_##sname, ## args); \
- if (ret < 0) { \
- ret = -errno; \
- errno = saved_errno; \
- } \
- return ret; \
-}
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-_body_io_syscall(sname, (long)arg1)
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) \
-_body_io_syscall(sname, (long)arg1, (long)arg2)
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) \
-_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3)
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4)
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, type5,arg5) \
-type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4, (long)arg5)
diff --git a/src/syscall-i386.h b/src/syscall-i386.h
index 9576975..266ed93 100644
--- a/src/syscall-i386.h
+++ b/src/syscall-i386.h
@@ -3,70 +3,3 @@
#define __NR_io_getevents 247
#define __NR_io_submit 248
#define __NR_io_cancel 249
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-{ \
-long __res; \
-__asm__ volatile ("xchgl %%edi,%%ebx\n" \
- "int $0x80\n" \
- "xchgl %%edi,%%ebx" \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1))); \
-return __res; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) \
-{ \
-long __res; \
-__asm__ volatile ("xchgl %%edi,%%ebx\n" \
- "int $0x80\n" \
- "xchgl %%edi,%%ebx" \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"c" ((long)(arg2))); \
-return __res; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) \
-{ \
-long __res; \
-__asm__ volatile ("xchgl %%edi,%%ebx\n" \
- "int $0x80\n" \
- "xchgl %%edi,%%ebx" \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"c" ((long)(arg2)), \
- "d" ((long)(arg3))); \
-return __res; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
-long __res; \
-__asm__ volatile ("xchgl %%edi,%%ebx\n" \
- "int $0x80\n" \
- "xchgl %%edi,%%ebx" \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"c" ((long)(arg2)), \
- "d" ((long)(arg3)),"S" ((long)(arg4))); \
-return __res; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5) \
-type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-{ \
-long __res; \
-long tmp; \
-__asm__ volatile ("movl %%ebx,%7\n" \
- "movl %2,%%ebx\n" \
- "int $0x80\n" \
- "movl %7,%%ebx" \
- : "=a" (__res) \
- : "0" (__NR_##sname),"rm" ((long)(arg1)),"c" ((long)(arg2)), \
- "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \
- "m" (tmp)); \
-return __res; \
-}
diff --git a/src/syscall-ia64.h b/src/syscall-ia64.h
index 52ce9dd..a21e93b 100644
--- a/src/syscall-ia64.h
+++ b/src/syscall-ia64.h
@@ -3,43 +3,3 @@
#define __NR_io_getevents 1240
#define __NR_io_submit 1241
#define __NR_io_cancel 1242
-
-#define __ia64_raw_syscall(fname, sname) \
- __asm__ (".text\n" \
- ".globl " SYMSTR(fname) "\n" \
- ".proc " SYMSTR(fname) "\n" \
- SYMSTR(fname) ":\n" \
- " mov r15=" SYMSTR( __NR_ ## sname ) "\n" \
- " break 0x100000\n" \
- " ;;\n" \
- " cmp.eq p6,p0=-1,r10\n" \
- " ;;\n" \
- " (p6) sub r8=0,r8\n" \
- " br.ret.sptk.few b0\n" \
- ".size " SYMSTR(fname) ", . - " SYMSTR(fname) "\n" \
- ".endp " SYMSTR(fname) "\n" \
- );
-
-#define io_syscall0(type, name) \
- extern type name(void); \
- __ia64_raw_syscall(name);
-
-#define io_syscall1(type, fname, sname, type1, arg1) \
- extern type fname(type1 arg1); \
- __ia64_raw_syscall(fname, sname);
-
-#define io_syscall2(type, fname, sname, type1, arg1, type2, arg2) \
- extern type fname(type1 arg1, type2 arg2); \
- __ia64_raw_syscall(fname, sname);
-
-#define io_syscall3(type, fname, sname, type1, arg1, type2, arg2, type3, arg3) \
- extern type fname(type1 arg1, type2 arg2, type3 arg3); \
- __ia64_raw_syscall(fname, sname);
-
-#define io_syscall4(type, fname, sname, type1, arg1, type2, arg2, type3, arg3, type4, arg4) \
- extern type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4); \
- __ia64_raw_syscall(fname, sname);
-
-#define io_syscall5(type, fname, sname, type1, arg1, type2, arg2, type3, arg3, type4, arg4, type5, arg5) \
- extern type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5); \
- __ia64_raw_syscall(fname, sname);
diff --git a/src/syscall-ppc.h b/src/syscall-ppc.h
index ca70dd2..dcfb118 100644
--- a/src/syscall-ppc.h
+++ b/src/syscall-ppc.h
@@ -3,92 +3,3 @@
#define __NR_io_getevents 229
#define __NR_io_submit 230
#define __NR_io_cancel 231
-
-/* On powerpc a system call basically clobbers the same registers like a
- * function call, with the exception of LR (which is needed for the
- * "sc; bnslr" sequence) and CR (where only CR0.SO is clobbered to signal
- * an error return status).
- */
-
-#define __syscall_nr(nr, type, name, args...) \
- unsigned long __sc_ret, __sc_err; \
- { \
- register unsigned long __sc_0 __asm__ ("r0"); \
- register unsigned long __sc_3 __asm__ ("r3"); \
- register unsigned long __sc_4 __asm__ ("r4"); \
- register unsigned long __sc_5 __asm__ ("r5"); \
- register unsigned long __sc_6 __asm__ ("r6"); \
- register unsigned long __sc_7 __asm__ ("r7"); \
- register unsigned long __sc_8 __asm__ ("r8"); \
- \
- __sc_loadargs_##nr(name, args); \
- __asm__ __volatile__ \
- ("sc \n\t" \
- "mfcr %0 " \
- : "=&r" (__sc_0), \
- "=&r" (__sc_3), "=&r" (__sc_4), \
- "=&r" (__sc_5), "=&r" (__sc_6), \
- "=&r" (__sc_7), "=&r" (__sc_8) \
- : __sc_asm_input_##nr \
- : "cr0", "ctr", "memory", \
- "r9", "r10","r11", "r12"); \
- __sc_ret = __sc_3; \
- __sc_err = __sc_0; \
- } \
- if (__sc_err & 0x10000000) return -((int)__sc_ret); \
- return (type) __sc_ret
-
-#define __sc_loadargs_0(name, dummy...) \
- __sc_0 = __NR_##name
-#define __sc_loadargs_1(name, arg1) \
- __sc_loadargs_0(name); \
- __sc_3 = (unsigned long) (arg1)
-#define __sc_loadargs_2(name, arg1, arg2) \
- __sc_loadargs_1(name, arg1); \
- __sc_4 = (unsigned long) (arg2)
-#define __sc_loadargs_3(name, arg1, arg2, arg3) \
- __sc_loadargs_2(name, arg1, arg2); \
- __sc_5 = (unsigned long) (arg3)
-#define __sc_loadargs_4(name, arg1, arg2, arg3, arg4) \
- __sc_loadargs_3(name, arg1, arg2, arg3); \
- __sc_6 = (unsigned long) (arg4)
-#define __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5) \
- __sc_loadargs_4(name, arg1, arg2, arg3, arg4); \
- __sc_7 = (unsigned long) (arg5)
-
-#define __sc_asm_input_0 "0" (__sc_0)
-#define __sc_asm_input_1 __sc_asm_input_0, "1" (__sc_3)
-#define __sc_asm_input_2 __sc_asm_input_1, "2" (__sc_4)
-#define __sc_asm_input_3 __sc_asm_input_2, "3" (__sc_5)
-#define __sc_asm_input_4 __sc_asm_input_3, "4" (__sc_6)
-#define __sc_asm_input_5 __sc_asm_input_4, "5" (__sc_7)
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-{ \
- __syscall_nr(1, type, sname, arg1); \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1, type2 arg2) \
-{ \
- __syscall_nr(2, type, sname, arg1, arg2); \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1, type2 arg2, type3 arg3) \
-{ \
- __syscall_nr(3, type, sname, arg1, arg2, arg3); \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
- __syscall_nr(4, type, sname, arg1, arg2, arg3, arg4); \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
-{ \
- __syscall_nr(5, type, sname, arg1, arg2, arg3, arg4, arg5); \
-}
diff --git a/src/syscall-s390.h b/src/syscall-s390.h
index 3ec5ee3..f0805f5 100644
--- a/src/syscall-s390.h
+++ b/src/syscall-s390.h
@@ -3,129 +3,3 @@
#define __NR_io_getevents 245
#define __NR_io_submit 246
#define __NR_io_cancel 247
-
-#define io_svc_clobber "1", "cc", "memory"
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) { \
- register type1 __arg1 asm("2") = arg1; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " .svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##sname), \
- "0" (__arg1) \
- : io_svc_clobber ); \
- __res = __svcres; \
- return (type) __res; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1, type2 arg2) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##sname), \
- "0" (__arg1), \
- "d" (__arg2) \
- : io_svc_clobber ); \
- __res = __svcres; \
- return (type) __res; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2, \
- type3,arg3) \
-type fname(type1 arg1, type2 arg2, type3 arg3) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##sname), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3) \
- : io_svc_clobber ); \
- __res = __svcres; \
- return (type) __res; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2, \
- type3,arg3,type4,arg4) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register type4 __arg4 asm("5") = arg4; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##sname), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3), \
- "d" (__arg4) \
- : io_svc_clobber ); \
- __res = __svcres; \
- return (type) __res; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2, \
- type3,arg3,type4,arg4,type5,arg5) \
-type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \
- type5 arg5) { \
- register type1 __arg1 asm("2") = arg1; \
- register type2 __arg2 asm("3") = arg2; \
- register type3 __arg3 asm("4") = arg3; \
- register type4 __arg4 asm("5") = arg4; \
- register type5 __arg5 asm("6") = arg5; \
- register long __svcres asm("2"); \
- long __res; \
- __asm__ __volatile__ ( \
- " .if %1 < 256\n" \
- " svc %b1\n" \
- " .else\n" \
- " la %%r1,%1\n" \
- " svc 0\n" \
- " .endif" \
- : "=d" (__svcres) \
- : "i" (__NR_##sname), \
- "0" (__arg1), \
- "d" (__arg2), \
- "d" (__arg3), \
- "d" (__arg4), \
- "d" (__arg5) \
- : io_svc_clobber ); \
- __res = __svcres; \
- return (type) __res; \
-}
diff --git a/src/syscall-sparc.h b/src/syscall-sparc.h
index dd8033d..3e63e92 100644
--- a/src/syscall-sparc.h
+++ b/src/syscall-sparc.h
@@ -1,103 +1,5 @@
-#include <errno.h>
-
#define __NR_io_setup 268
#define __NR_io_destroy 269
#define __NR_io_submit 270
#define __NR_io_cancel 271
#define __NR_io_getevents 272
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-{ \
-long __res; \
-register long __g1 __asm__ ("g1") = __NR_##sname; \
-register long __o0 __asm__ ("o0") = (long)(arg1); \
-__asm__ __volatile__ ("t 0x10\n\t" \
- "bcc 1f\n\t" \
- "mov %%o0, %0\n\t" \
- "sub %%g0, %%o0, %0\n\t" \
- "1:\n\t" \
- : "=r" (__res), "=&r" (__o0) \
- : "1" (__o0), "r" (__g1) \
- : "cc"); \
-return (type) __res; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) \
-{ \
-long __res; \
-register long __g1 __asm__ ("g1") = __NR_##sname; \
-register long __o0 __asm__ ("o0") = (long)(arg1); \
-register long __o1 __asm__ ("o1") = (long)(arg2); \
-__asm__ __volatile__ ("t 0x10\n\t" \
- "bcc 1f\n\t" \
- "mov %%o0, %0\n\t" \
- "sub %%g0, %%o0, %0\n\t" \
- "1:\n\t" \
- : "=r" (__res), "=&r" (__o0) \
- : "1" (__o0), "r" (__o1), "r" (__g1) \
- : "cc"); \
-return (type) __res; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) \
-{ \
-long __res; \
-register long __g1 __asm__ ("g1") = __NR_##sname; \
-register long __o0 __asm__ ("o0") = (long)(arg1); \
-register long __o1 __asm__ ("o1") = (long)(arg2); \
-register long __o2 __asm__ ("o2") = (long)(arg3); \
-__asm__ __volatile__ ("t 0x10\n\t" \
- "bcc 1f\n\t" \
- "mov %%o0, %0\n\t" \
- "sub %%g0, %%o0, %0\n\t" \
- "1:\n\t" \
- : "=r" (__res), "=&r" (__o0) \
- : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
- : "cc"); \
-return (type) __res; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
-long __res; \
-register long __g1 __asm__ ("g1") = __NR_##sname; \
-register long __o0 __asm__ ("o0") = (long)(arg1); \
-register long __o1 __asm__ ("o1") = (long)(arg2); \
-register long __o2 __asm__ ("o2") = (long)(arg3); \
-register long __o3 __asm__ ("o3") = (long)(arg4); \
-__asm__ __volatile__ ("t 0x10\n\t" \
- "bcc 1f\n\t" \
- "mov %%o0, %0\n\t" \
- "sub %%g0, %%o0, %0\n\t" \
- "1:\n\t" \
- : "=r" (__res), "=&r" (__o0) \
- : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
- : "cc"); \
-return (type) __res; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5) \
-type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-{ \
-long __res; \
-register long __g1 __asm__ ("g1") = __NR_##sname; \
-register long __o0 __asm__ ("o0") = (long)(arg1); \
-register long __o1 __asm__ ("o1") = (long)(arg2); \
-register long __o2 __asm__ ("o2") = (long)(arg3); \
-register long __o3 __asm__ ("o3") = (long)(arg4); \
-register long __o4 __asm__ ("o4") = (long)(arg5); \
-__asm__ __volatile__ ("t 0x10\n\t" \
- "bcc 1f\n\t" \
- "mov %%o0, %0\n\t" \
- "sub %%g0, %%o0, %0\n\t" \
- "1:\n\t" \
- : "=r" (__res), "=&r" (__o0) \
- : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
- : "cc"); \
-return (type) __res; \
-}
diff --git a/src/syscall-x86_64.h b/src/syscall-x86_64.h
index 9361856..84b2639 100644
--- a/src/syscall-x86_64.h
+++ b/src/syscall-x86_64.h
@@ -3,61 +3,3 @@
#define __NR_io_getevents 208
#define __NR_io_submit 209
#define __NR_io_cancel 210
-
-#define __syscall_clobber "r11","rcx","memory"
-#define __syscall "syscall"
-
-#define io_syscall1(type,fname,sname,type1,arg1) \
-type fname(type1 arg1) \
-{ \
-long __res; \
-__asm__ volatile (__syscall \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)) : __syscall_clobber ); \
-return __res; \
-}
-
-#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
-type fname(type1 arg1,type2 arg2) \
-{ \
-long __res; \
-__asm__ volatile (__syscall \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)) : __syscall_clobber ); \
-return __res; \
-}
-
-#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
-type fname(type1 arg1,type2 arg2,type3 arg3) \
-{ \
-long __res; \
-__asm__ volatile (__syscall \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \
- "d" ((long)(arg3)) : __syscall_clobber); \
-return __res; \
-}
-
-#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
-type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
-{ \
-long __res; \
-__asm__ volatile ("movq %5,%%r10 ;" __syscall \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \
- "d" ((long)(arg3)),"g" ((long)(arg4)) : __syscall_clobber,"r10" ); \
-return __res; \
-}
-
-#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
- type5,arg5) \
-type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
-{ \
-long __res; \
-__asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " __syscall \
- : "=a" (__res) \
- : "0" (__NR_##sname),"D" ((long)(arg1)),"S" ((long)(arg2)), \
- "d" ((long)(arg3)),"g" ((long)(arg4)),"g" ((long)(arg5)) : \
- __syscall_clobber,"r8","r10" ); \
-return __res; \
-}
diff --git a/src/syscall.h b/src/syscall.h
index a2da030..6a0a76c 100644
--- a/src/syscall.h
+++ b/src/syscall.h
@@ -1,5 +1,6 @@
#include <sys/syscall.h>
#include <unistd.h>
+#include <errno.h>
#define _SYMSTR(str) #str
#define SYMSTR(str) _SYMSTR(str)
@@ -29,6 +30,37 @@
#elif defined(__aarch64__)
#include "syscall-arm64.h"
#else
-#warning "using generic syscall method"
-#include "syscall-generic.h"
+#warning "using system call numbers from sys/syscall.h"
#endif
+
+#define _body_io_syscall(sname, args...) \
+{ \
+ int ret, saved_errno; \
+ saved_errno = errno; \
+ ret= syscall(__NR_##sname, ## args); \
+ if (ret < 0) { \
+ ret = -errno; \
+ errno = saved_errno; \
+ } \
+ return ret; \
+}
+
+#define io_syscall1(type,fname,sname,type1,arg1) \
+type fname(type1 arg1) \
+_body_io_syscall(sname, (long)arg1)
+
+#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
+type fname(type1 arg1,type2 arg2) \
+_body_io_syscall(sname, (long)arg1, (long)arg2)
+
+#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
+type fname(type1 arg1,type2 arg2,type3 arg3) \
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3)
+
+#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type fname (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4)
+
+#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4, type5,arg5) \
+type fname (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
+_body_io_syscall(sname, (long)arg1, (long)arg2, (long)arg3, (long)arg4, (long)arg5)
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