forked from ariadne/libucontext
95 lines
2.0 KiB
C
95 lines
2.0 KiB
C
#ifndef __ARCH_MIPS64_DEFS_H
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#define __ARCH_MIPS64_DEFS_H
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#define REG_SZ (4)
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#define REG_R0 (0)
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#define REG_R1 (1)
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#define REG_R2 (2)
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#define REG_R3 (3)
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#define REG_R4 (4)
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#define REG_R5 (5)
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#define REG_R6 (6)
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#define REG_R7 (7)
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#define REG_R8 (8)
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#define REG_R9 (9)
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#define REG_R10 (10)
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#define REG_R11 (11)
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#define REG_R12 (12)
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#define REG_R13 (13)
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#define REG_R14 (14)
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#define REG_R15 (15)
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#define REG_R16 (16)
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#define REG_R17 (17)
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#define REG_R18 (18)
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#define REG_R19 (19)
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#define REG_R20 (20)
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#define REG_R21 (21)
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#define REG_R22 (22)
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#define REG_R23 (23)
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#define REG_R24 (24)
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#define REG_R25 (25)
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#define REG_R26 (26)
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#define REG_R27 (27)
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#define REG_R28 (28)
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#define REG_R29 (29)
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#define REG_R30 (30)
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#define REG_R31 (31)
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/* $a0 is $4 */
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#define REG_A0 (4)
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/* stack pointer is actually $29 */
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#define REG_SP (29)
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/* frame pointer is actually $30 */
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#define REG_FP (30)
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/* $s0 ($16) is used as link register */
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#define REG_LNK (16)
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/* $t9 ($25) is used as entry */
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#define REG_ENTRY (25)
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/* offset to mc_gregs in ucontext_t */
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#define MCONTEXT_GREGS (40)
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/* offset to PC in ucontext_t */
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#define MCONTEXT_PC (32)
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/* offset to uc_link in ucontext_t */
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#define UCONTEXT_UC_LINK (4)
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/* offset to uc_stack.ss_sp in ucontext_t */
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#define UCONTEXT_STACK_PTR (8)
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/* offset to uc_stack.ss_size in ucontext_t */
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#define UCONTEXT_STACK_SIZE (12)
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/* setup frame, from MIPS N32/N64 calling convention manual */
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#define ALSZ 15
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#define ALMASK ~15
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#define FRAMESZ (((LOCALSZ * REG_SZ) + ALSZ) & ALMASK) // 16
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#define GPOFF (FRAMESZ - (LOCALSZ * REG_SZ)) // [16 - 16]
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#define SETUP_FRAME(__proc) \
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.frame $sp, FRAMESZ, $ra; \
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.mask 0x10000000, 0; \
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.fmask 0x00000000, 0; \
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.set noreorder; \
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.cpload $25; \
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.set reorder;
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#define PUSH_FRAME(__proc) \
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addiu $sp, -FRAMESZ; \
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.cprestore GPOFF;
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#define POP_FRAME(__proc) \
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addiu $sp, FRAMESZ
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#define ENT(__proc) .ent __proc, 0;
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#include <common-defs.h>
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#endif
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