diff options
author | Arnd Bergmann <arnd@arndb.de> | 2006-12-07 05:37:29 +0100 |
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committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-07 17:39:37 +0100 |
commit | f5738ceed46782aea7663d62cb6398eb05fc4ce0 (patch) | |
tree | 156ebf498bc1d892d6f9e33d2751869417e30eb4 /include/asm-powerpc/unistd.h | |
parent | [PATCH] driver/base/memory.c: handle errors properly (diff) | |
download | linux-f5738ceed46782aea7663d62cb6398eb05fc4ce0.tar.xz linux-f5738ceed46782aea7663d62cb6398eb05fc4ce0.zip |
[PATCH] remove kernel syscalls
The last thing we agreed on was to remove the macros entirely for 2.6.19,
on all architectures. Unfortunately, I think nobody actually _did_ that,
so they are still there.
[akpm@osdl.org: x86_64 fix]
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Greg Schafer <gschafer@zip.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-powerpc/unistd.h')
-rw-r--r-- | include/asm-powerpc/unistd.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h index 04b6c17cc59b..0ae954e3d258 100644 --- a/include/asm-powerpc/unistd.h +++ b/include/asm-powerpc/unistd.h @@ -334,115 +334,6 @@ #ifndef __ASSEMBLY__ -/* 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) \ - { \ - errno = __sc_ret; \ - __sc_ret = -1; \ - } \ - 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_loadargs_6(name, arg1, arg2, arg3, arg4, arg5, arg6) \ - __sc_loadargs_5(name, arg1, arg2, arg3, arg4, arg5); \ - __sc_8 = (unsigned long) (arg6) - -#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 __sc_asm_input_6 __sc_asm_input_5, "6" (__sc_8) - -#define _syscall0(type,name) \ -type name(void) \ -{ \ - __syscall_nr(0, type, name); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ - __syscall_nr(1, type, name, arg1); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1, type2 arg2) \ -{ \ - __syscall_nr(2, type, name, arg1, arg2); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1, type2 arg2, type3 arg3) \ -{ \ - __syscall_nr(3, type, name, arg1, arg2, arg3); \ -} - -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ - __syscall_nr(4, type, name, arg1, arg2, arg3, arg4); \ -} - -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ -{ \ - __syscall_nr(5, type, name, arg1, arg2, arg3, arg4, arg5); \ -} -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \ -{ \ - __syscall_nr(6, type, name, arg1, arg2, arg3, arg4, arg5, arg6); \ -} - - #include <linux/types.h> #include <linux/compiler.h> #include <linux/linkage.h> |