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executable file 227 lines (190 sloc) 6.726 kB
/*
* sgen-archdep.h: Architecture dependent parts of SGen.
*
* Copyright 2001-2003 Ximian, Inc
* Copyright 2003-2010 Novell, Inc.
* Copyright (C) 2012 Xamarin Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License 2.0 as published by the Free Software Foundation;
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License 2.0 along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __MONO_SGENARCHDEP_H__
#define __MONO_SGENARCHDEP_H__
#include <mono/utils/mono-sigcontext.h>
#if defined(MONO_CROSS_COMPILE)
#define REDZONE_SIZE 0
#define ARCH_NUM_REGS 0
#define ARCH_STORE_REGS(ptr)
#define ARCH_SIGCTX_SP(ctx) NULL
#define ARCH_SIGCTX_IP(ctx) NULL
#define ARCH_COPY_SIGCTX_REGS(a,ctx)
#elif defined(TARGET_X86)
#include <mono/utils/mono-context.h>
#define REDZONE_SIZE 0
#define ARCH_NUM_REGS 8
#ifdef MONO_ARCH_HAS_MONO_CONTEXT
#define USE_MONO_CTX
#else
#error 0
#endif
/*FIXME, move this to mono-sigcontext as this is generaly useful.*/
#define ARCH_SIGCTX_SP(ctx) (UCONTEXT_REG_ESP ((ctx)))
#define ARCH_SIGCTX_IP(ctx) (UCONTEXT_REG_EIP ((ctx)))
#elif defined(TARGET_AMD64)
#include <mono/utils/mono-context.h>
#define REDZONE_SIZE 128
#define ARCH_NUM_REGS 16
#define USE_MONO_CTX
/*FIXME, move this to mono-sigcontext as this is generaly useful.*/
#define ARCH_SIGCTX_SP(ctx) (UCONTEXT_REG_RSP (ctx))
#define ARCH_SIGCTX_IP(ctx) (UCONTEXT_REG_RIP (ctx))
#elif defined(TARGET_POWERPC)
#define REDZONE_SIZE 224
#define ARCH_NUM_REGS 32
#ifdef __APPLE__
#define ARCH_STORE_REGS(ptr) \
__asm__ __volatile__( \
"stmw r0, 0(%0)\n" \
: \
: "b" (ptr) \
)
#else
#define ARCH_STORE_REGS(ptr) \
__asm__ __volatile__( \
"stmw 0, 0(%0)\n" \
: \
: "b" (ptr) \
)
#endif
#define ARCH_SIGCTX_SP(ctx) (UCONTEXT_REG_Rn((ctx), 1))
#define ARCH_SIGCTX_IP(ctx) (UCONTEXT_REG_NIP((ctx)))
#define ARCH_COPY_SIGCTX_REGS(a,ctx) do { \
int __i; \
for (__i = 0; __i < 32; ++__i) \
((a)[__i]) = UCONTEXT_REG_Rn((ctx), __i); \
} while (0)
#elif defined(TARGET_ARM)
#define REDZONE_SIZE 0
#define USE_MONO_CTX
/* We dont store ip, sp */
#define ARCH_NUM_REGS 14
#define ARCH_STORE_REGS(ptr) \
__asm__ __volatile__( \
"push {lr}\n" \
"mov lr, %0\n" \
"stmia lr!, {r0-r12}\n" \
"pop {lr}\n" \
: \
: "r" (ptr) \
)
#define ARCH_SIGCTX_SP(ctx) (UCONTEXT_REG_SP((ctx)))
#define ARCH_SIGCTX_IP(ctx) (UCONTEXT_REG_PC((ctx)))
#define ARCH_COPY_SIGCTX_REGS(a,ctx) do { \
((a)[0]) = (gpointer) (UCONTEXT_REG_R0((ctx))); \
((a)[1]) = (gpointer) (UCONTEXT_REG_R1((ctx))); \
((a)[2]) = (gpointer) (UCONTEXT_REG_R2((ctx))); \
((a)[3]) = (gpointer) (UCONTEXT_REG_R3((ctx))); \
((a)[4]) = (gpointer) (UCONTEXT_REG_R4((ctx))); \
((a)[5]) = (gpointer) (UCONTEXT_REG_R5((ctx))); \
((a)[6]) = (gpointer) (UCONTEXT_REG_R6((ctx))); \
((a)[7]) = (gpointer) (UCONTEXT_REG_R7((ctx))); \
((a)[8]) = (gpointer) (UCONTEXT_REG_R8((ctx))); \
((a)[9]) = (gpointer) (UCONTEXT_REG_R9((ctx))); \
((a)[10]) = (gpointer) (UCONTEXT_REG_R10((ctx))); \
((a)[11]) = (gpointer) (UCONTEXT_REG_R11((ctx))); \
((a)[12]) = (gpointer) (UCONTEXT_REG_R12((ctx))); \
((a)[13]) = (gpointer) (UCONTEXT_REG_LR((ctx))); \
} while (0)
#elif defined(__mips__)
#define REDZONE_SIZE 0
#define USE_MONO_CTX
#define ARCH_NUM_REGS 32
#define ARCH_SIGCTX_SP(ctx) (UCONTEXT_GREGS((ctx))[29])
#define ARCH_SIGCTX_IP(ctx) (UCONTEXT_REG_PC((ctx)))
#elif defined(__s390x__)
#define REDZONE_SIZE 0
#include <mono/utils/mono-context.h>
#define USE_MONO_CTX
#define ARCH_NUM_REGS 16
#define ARCH_SIGCTX_SP(ctx) ((UCONTEXT_GREGS((ctx))) [15])
#define ARCH_SIGCTX_IP(ctx) ((ucontext_t *) (ctx))->uc_mcontext.psw.addr
#elif defined(__sparc__)
#define REDZONE_SIZE 0
/* Don't bother with %g0 (%r0), it's always hard-coded to zero */
#define ARCH_NUM_REGS 15
#ifdef __sparcv9
#define ARCH_STORE_REGS(ptr) \
__asm__ __volatile__( \
"st %%g1,[%0]\n\t" \
"st %%g2,[%0+0x08]\n\t" \
"st %%g3,[%0+0x10]\n\t" \
"st %%g4,[%0+0x18]\n\t" \
"st %%g5,[%0+0x20]\n\t" \
"st %%g6,[%0+0x28]\n\t" \
"st %%g7,[%0+0x30]\n\t" \
"st %%o0,[%0+0x38]\n\t" \
"st %%o1,[%0+0x40]\n\t" \
"st %%o2,[%0+0x48]\n\t" \
"st %%o3,[%0+0x50]\n\t" \
"st %%o4,[%0+0x58]\n\t" \
"st %%o5,[%0+0x60]\n\t" \
"st %%o6,[%0+0x68]\n\t" \
"st %%o7,[%0+0x70]\n\t" \
: \
: "r" (ptr) \
: "memory" \
)
#else
#define ARCH_STORE_REGS(ptr) \
__asm__ __volatile__( \
"st %%g1,[%0]\n\t" \
"st %%g2,[%0+0x04]\n\t" \
"st %%g3,[%0+0x08]\n\t" \
"st %%g4,[%0+0x0c]\n\t" \
"st %%g5,[%0+0x10]\n\t" \
"st %%g6,[%0+0x14]\n\t" \
"st %%g7,[%0+0x18]\n\t" \
"st %%o0,[%0+0x1c]\n\t" \
"st %%o1,[%0+0x20]\n\t" \
"st %%o2,[%0+0x24]\n\t" \
"st %%o3,[%0+0x28]\n\t" \
"st %%o4,[%0+0x2c]\n\t" \
"st %%o5,[%0+0x30]\n\t" \
"st %%o6,[%0+0x34]\n\t" \
"st %%o7,[%0+0x38]\n\t" \
: \
: "r" (ptr) \
: "memory" \
)
#endif
#define ARCH_SIGCTX_SP(ctx) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_SP])
#define ARCH_SIGCTX_IP(ctx) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_PC])
#define ARCH_COPY_SIGCTX_REGS(a,ctx) do { \
(a)[0] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G1]); \
(a)[1] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G2]); \
(a)[2] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G3]); \
(a)[3] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G4]); \
(a)[4] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G5]); \
(a)[5] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G6]); \
(a)[6] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_G7]); \
(a)[7] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O0]); \
(a)[8] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O1]); \
(a)[9] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O2]); \
(a)[10] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O3]); \
(a)[11] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O4]); \
(a)[12] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O5]); \
(a)[13] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O6]); \
(a)[14] = (gpointer) (((ucontext_t *)(ctx))->uc_mcontext.gregs [REG_O7]); \
} while (0)
#endif
#endif /* __MONO_SGENARCHDEP_H__ */
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