mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-04-30 06:42:48 +03:00
Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
92 lines
2.7 KiB
C
Vendored
92 lines
2.7 KiB
C
Vendored
/* $OpenBSD: profile.h,v 1.4 2021/05/21 16:49:57 deraadt Exp $ */
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/*
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* Copyright (c) 2015 Dale Rahn <drahn@dalerahn.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define _MCOUNT_DECL void _mcount
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#define MCOUNT_ASM_NAME "__mcount"
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#ifdef __PIC__
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#define PLTSYM "" /* XXX -aarch64 defaults to PLT? */
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#else
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#define PLTSYM ""
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#endif
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#define MCOUNT \
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__asm__ (".text \n;" \
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".align 3 \n;" \
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".globl " MCOUNT_ASM_NAME " \n;" \
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".type " MCOUNT_ASM_NAME ",@function \n;" \
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MCOUNT_ASM_NAME ": \n;" \
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" addi sp, sp, -176 \n" \
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" sd fp, 0(sp) \n" \
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" sd ra, 8(sp) \n" \
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" sd s1, 24(sp) \n" \
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" sd a0, 32(sp) \n" \
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" sd a1, 40(sp) \n" \
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" sd a2, 48(sp) \n" \
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" sd a3, 56(sp) \n" \
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" sd a4, 64(sp) \n" \
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" sd a5, 72(sp) \n" \
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" sd a6, 80(sp) \n" \
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" sd a7, 88(sp) \n" \
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" sd s2, 96(sp) \n" \
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" sd s3, 104(sp) \n" \
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" sd s4, 112(sp) \n" \
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" sd s5, 120(sp) \n" \
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" sd s6, 128(sp) \n" \
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" sd s7, 136(sp) \n" \
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" sd s8, 144(sp) \n" \
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" sd s9, 152(sp) \n" \
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" sd s10, 160(sp) \n" \
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" sd s11, 168(sp) \n" \
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" ld a0, 8(fp) \n" \
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" mv a1, x1 \n" \
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" call " __STRING(_mcount) PLTSYM " \n" \
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/* restore argument registers */ \
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" ld fp, 0(sp) \n" \
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" ld ra, 8(sp) \n" \
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" ld s1, 24(sp) \n" \
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" ld a0, 32(sp) \n" \
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" ld a1, 40(sp) \n" \
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" ld a2, 48(sp) \n" \
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" ld a3, 56(sp) \n" \
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" ld a4, 64(sp) \n" \
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" ld a5, 72(sp) \n" \
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" ld a6, 80(sp) \n" \
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" ld a7, 88(sp) \n" \
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" ld s2, 96(sp) \n" \
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" ld s3, 104(sp) \n" \
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" ld s4, 112(sp) \n" \
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" ld s5, 120(sp) \n" \
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" ld s6, 128(sp) \n" \
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" ld s7, 136(sp) \n" \
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" ld s8, 144(sp) \n" \
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" ld s9, 152(sp) \n" \
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" ld s10, 160(sp) \n" \
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" ld s11, 168(sp) \n" \
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" addi sp, sp, 176 \n" \
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" jr ra \n");
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#ifdef _KERNEL
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// Change this to dair read/set, then restore.
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#define MCOUNT_ENTER \
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__asm__ ("mrs %x0,daif; msr daifset, #0x2": "=r"(s));
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#define MCOUNT_EXIT \
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__asm__ ("msr daif, %x0":: "r"(s));
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#endif |