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| author | Benno Rice <benno@FreeBSD.org> | 2002-05-17 01:58:55 +0000 |
|---|---|---|
| committer | Benno Rice <benno@FreeBSD.org> | 2002-05-17 01:58:55 +0000 |
| commit | c2cba7c501f982b05601698b0d1f24c4b18d48fa (patch) | |
| tree | 9cac604ff2b2c2ce235a5a2a073ce58f1bbe7442 | |
| parent | f5ba2b905e4e5eab0344e19d0241d914da03b65e (diff) | |
| download | src-c2cba7c501f982b05601698b0d1f24c4b18d48fa.tar.gz src-c2cba7c501f982b05601698b0d1f24c4b18d48fa.zip | |
Flesh this out, based on the NetBSD version.
Reviewed by: obrien
Notes
Notes:
svn path=/head/; revision=96775
| -rw-r--r-- | lib/libc/powerpc/SYS.h | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/lib/libc/powerpc/SYS.h b/lib/libc/powerpc/SYS.h index dc0cd0231835..cda37cd81e2c 100644 --- a/lib/libc/powerpc/SYS.h +++ b/lib/libc/powerpc/SYS.h @@ -1,5 +1,6 @@ /*- * Copyright (c) 2002 David E. O'Brien. All rights reserved. + * Copyright (c) 2002 Benno Rice. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -30,18 +31,48 @@ */ #include <sys/syscall.h> + #include <machine/asm.h> +#define __CONCAT(x,y) x ## y + +#define _SYSCALL(x) \ + .text; \ + .align 2; \ + li 0,(__CONCAT(SYS_,x)); \ + sc -#define SYSCALL(x) \ - .text ; \ - .align 2 ; \ -2: b PIC_PLT(_C_LABEL(__cerror)) ; \ -ENTRY(__CONCAT(__sys_,x)) ; \ - li 0,(SYS_ ## x) ; \ - sc ; \ +#define SYSCALL(x) \ + .text; \ + .align 2; \ +2: b PIC_PLT(_C_LABEL(HIDENAME(cerror))); \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(x); \ + .set _C_LABEL(x),_C_LABEL(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ bso 2b -#define RSYSCALL(x) \ - SYSCALL(x) ; \ - blr +#define PSEUDO(x) \ + .text; \ + .align 2; \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ + bnslr; \ + b PIC_PLT(_C_LABEL(HIDENAME(cerror))) + +#define RSYSCALL(x) \ + .text; \ + .align 2; \ +2: b PIC_PLT(_C_LABEL(HIDENAME(cerror))); \ +ENTRY(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(x); \ + .set _C_LABEL(x),_C_LABEL(__CONCAT(__sys_,x)); \ + .weak _C_LABEL(__CONCAT(_,x)); \ + .set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x)); \ + _SYSCALL(x); \ + bnslr; \ + b PIC_PLT(_C_LABEL(HIDENAME(cerror))) |