diff options
Diffstat (limited to 'libexec/ld.so/sh/SYS.h')
| -rw-r--r-- | libexec/ld.so/sh/SYS.h | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/libexec/ld.so/sh/SYS.h b/libexec/ld.so/sh/SYS.h index f9062bf1b07..4f9350229ae 100644 --- a/libexec/ld.so/sh/SYS.h +++ b/libexec/ld.so/sh/SYS.h @@ -1,4 +1,4 @@ -/* $OpenBSD: SYS.h,v 1.2 2022/09/02 06:19:05 miod Exp $ */ +/* $OpenBSD: SYS.h,v 1.3 2023/12/10 16:45:50 deraadt Exp $ */ /* * Copyright (c) 2006 Dale Rahn @@ -29,6 +29,12 @@ #include <machine/asm.h> #include <sys/syscall.h> +#define PINSYSCALL(sysno, label) \ + .pushsection .openbsd.syscalls,"",@progbits ;\ + .long label ;\ + .long sysno ;\ + .popsection + #ifdef __ASSEMBLER__ /* * If the system call number fits in a 8-bit signed value (i.e. fits in 7 bits), @@ -38,10 +44,12 @@ .macro systrap num .iflt \num - 128 mov # \num, r0 - trapa #0x80 +99: trapa #0x80 + PINSYSCALL(\num, 99b) .else mov.l 903f, r0 - trapa #0x80 +99: trapa #0x80 + PINSYSCALL(\num, 99b) bra 904f nop .align 2 @@ -51,17 +59,17 @@ .endm #endif -#define SYSTRAP(x) \ - systrap SYS_ ## x +#define SYSTRAP(x) \ + systrap SYS_ ## x -#define DL_SYSCALL(n) \ - .global __CONCAT(_dl_,n) ;\ - .type __CONCAT(_dl_,n)%function ;\ -__CONCAT(_dl_,n): ;\ - SYSTRAP(n) ;\ - bf .L_cerr ;\ - nop ;\ - rts ;\ +#define DL_SYSCALL(n) \ + .global __CONCAT(_dl_,n) ;\ + .type __CONCAT(_dl_,n)%function ;\ +__CONCAT(_dl_,n): ;\ + SYSTRAP(n) ;\ + bf .L_cerr ;\ + nop ;\ + rts ;\ nop .L_cerr: |