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< * $Id: SYS.h,v 1.3 1996/01/22 00:00:51 julian Exp $
---
> * $Id: SYS.h,v 1.4 1996/05/05 07:56:03 peter Exp $
66a67,71
> #define PSEUDO(x,y) ENTRY(x); lea __CONCAT(SYS_,y), %eax; KERNCALL; ret
> #define CALL(x,y) call CNAME(y); addl $4*x,%esp
> /* gas fucks up offset -- although we don't currently need it, do for BCS */
> #define LCALL(x,y) .byte 0x9a ; .long y; .word x
>
67a73,82
> * Design note:
> *
> * The macros PSYSCALL() and PRSYSCALL() are intended for use where a
> * syscall needs to be renamed in the threaded library. When building
> * a normal library, they default to the traditional SYSCALL() and
> * RSYSCALL(). This avoids the need to #ifdef _THREAD_SAFE everywhere
> * that the renamed function needs to be called.
> */
> #ifdef _THREAD_SAFE /* in case */
> /*
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< #ifdef _THREAD_SAFE /* in case */
< #define PSYSCALL(x,y) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); ENTRY(y); lea __CONCAT(SYS_,x),%eax; KERNCALL; jb 2b
< #define PRSYSCALL(x,y) PSYSCALL(x,y); ret
---
> #define PSYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); ENTRY(_thread_sys_/**/x); lea __CONCAT(SYS_,x),%eax; KERNCALL; jb 2b
> #define PRSYSCALL(x) PSYSCALL(x); ret
> #define PPSEUDO(x,y) ENTRY(_thread_sys_/**/x); lea __CONCAT(SYS_,y), %eax; KERNCALL; ret
> #else
> /*
> * The non-threaded library defaults to traditional syscalls where
> * the function name matches the syscall name.
> */
> #define PSYSCALL(x) SYSCALL(x)
> #define PRSYSCALL(x) RSYSCALL(x)
> #define PPSEUDO(x,y) PSEUDO(x,y)
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< #define PSEUDO(x,y) ENTRY(x); lea __CONCAT(SYS_,y), %eax; KERNCALL; ret
< #define CALL(x,y) call CNAME(y); addl $4*x,%esp
< /* gas fucks up offset -- although we don't currently need it, do for BCS */
< #define LCALL(x,y) .byte 0x9a ; .long y; .word x
<