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49 lines
942 B
ArmAsm
49 lines
942 B
ArmAsm
/* ==== syscall.S ============================================================
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* Copyright (c) 1994 Chris Provenzano, proven@mit.edu
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* All rights reserved.
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*
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*/
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#include <machine/asm.h>
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#include <sys/syscall.h>
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#ifdef SYS___sigsuspend14
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#define SYS_sigsuspend SYS___sigsuspend14
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#endif
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#ifdef SYS___sigprocmask14
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#define SYS_sigprocmask SYS___sigprocmask14
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#endif
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#define SYSCALL(x) \
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.globl _C_LABEL(machdep_sys_##x); \
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\
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_C_LABEL(machdep_sys_##x):; \
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\
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mov SYS_##x, %g1; \
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ta 0; \
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bcs,a 2b; \
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sub %r0,%o0,%o0; \
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retl; \
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nop
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/*
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* Initial asm stuff for all functions.
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*/
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.text
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.align 4
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/* ==========================================================================
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* error code for all syscalls. The error value is returned as the negative
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* of the errno value.
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*/
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1:
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sub %r0, %o0, %o0
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2:
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retl
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nop
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#define XSYSCALL(NAME) SYSCALL(NAME)
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XSYSCALL(SYSCALL_NAME)
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