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Flesh this out, based on the NetBSD version.

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Reviewed by:	obrien
This commit is contained in:
Benno Rice 2002-05-17 01:58:55 +00:00
parent f5ba2b905e
commit c2cba7c501
1 changed files with 41 additions and 10 deletions
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51
lib/libc/powerpc/SYS.h
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@ -1,5 +1,6 @@
/*- /*-
* Copyright (c) 2002 David E. O'Brien. All rights reserved. * 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 * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
@ -30,18 +31,48 @@
*/ */
#include <sys/syscall.h> #include <sys/syscall.h>
#include <machine/asm.h> #include <machine/asm.h>
#define __CONCAT(x,y) x ## y
#define SYSCALL(x) \ #define _SYSCALL(x) \
.text ; \ .text; \
.align 2 ; \ .align 2; \
2: b PIC_PLT(_C_LABEL(__cerror)) ; \ li 0,(__CONCAT(SYS_,x)); \
ENTRY(__CONCAT(__sys_,x)) ; \ sc
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 bso 2b
#define RSYSCALL(x) \ #define PSEUDO(x) \
SYSCALL(x) ; \ .text; \
blr .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)))