void
mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx)
{
#if defined(__native_client__) || defined(__native_client_codegen__)
printf("WARNING: mono_arch_monoctx_to_sigctx() called!\n");
#endif
#if defined(MONO_SIGNAL_USE_SIGACTION)
ucontext_t *ctx = (ucontext_t*)sigctx;
UCONTEXT_REG_RAX (ctx) = mctx->rax;
UCONTEXT_REG_RBX (ctx) = mctx->rbx;
UCONTEXT_REG_RCX (ctx) = mctx->rcx;
UCONTEXT_REG_RDX (ctx) = mctx->rdx;
UCONTEXT_REG_RBP (ctx) = mctx->rbp;
UCONTEXT_REG_RSP (ctx) = mctx->rsp;
UCONTEXT_REG_RSI (ctx) = mctx->rsi;
UCONTEXT_REG_RDI (ctx) = mctx->rdi;
UCONTEXT_REG_R8 (ctx) = mctx->r8;
UCONTEXT_REG_R9 (ctx) = mctx->r9;
UCONTEXT_REG_R10 (ctx) = mctx->r10;
UCONTEXT_REG_R11 (ctx) = mctx->r11;
UCONTEXT_REG_R12 (ctx) = mctx->r12;
UCONTEXT_REG_R13 (ctx) = mctx->r13;
UCONTEXT_REG_R14 (ctx) = mctx->r14;
UCONTEXT_REG_R15 (ctx) = mctx->r15;
UCONTEXT_REG_RIP (ctx) = mctx->rip;
#else
MonoContext *ctx = (MonoContext *)sigctx;
ctx->rax = mctx->rax;
ctx->rbx = mctx->rbx;
ctx->rcx = mctx->rcx;
ctx->rdx = mctx->rdx;
ctx->rbp = mctx->rbp;
ctx->rsp = mctx->rsp;
ctx->rsi = mctx->rsi;
ctx->rdi = mctx->rdi;
ctx->r8 = mctx->r8;
ctx->r9 = mctx->r9;
ctx->r10 = mctx->r10;
ctx->r11 = mctx->r11;
ctx->r12 = mctx->r12;
ctx->r13 = mctx->r13;
ctx->r14 = mctx->r14;
ctx->r15 = mctx->r15;
ctx->rip = mctx->rip;
#endif
}
void
mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx)
{
#if defined(__native_client_codegen__) || defined(__native_client__)
printf("WARNING: mono_arch_sigctx_to_monoctx() called!\n");
#endif
#if defined(MONO_SIGNAL_USE_SIGACTION)
ucontext_t *ctx = (ucontext_t*)sigctx;
mctx->rax = UCONTEXT_REG_RAX (ctx);
mctx->rbx = UCONTEXT_REG_RBX (ctx);
mctx->rcx = UCONTEXT_REG_RCX (ctx);
mctx->rdx = UCONTEXT_REG_RDX (ctx);
mctx->rbp = UCONTEXT_REG_RBP (ctx);
mctx->rsp = UCONTEXT_REG_RSP (ctx);
mctx->rsi = UCONTEXT_REG_RSI (ctx);
mctx->rdi = UCONTEXT_REG_RDI (ctx);
mctx->r8 = UCONTEXT_REG_R8 (ctx);
mctx->r9 = UCONTEXT_REG_R9 (ctx);
mctx->r10 = UCONTEXT_REG_R10 (ctx);
mctx->r11 = UCONTEXT_REG_R11 (ctx);
mctx->r12 = UCONTEXT_REG_R12 (ctx);
mctx->r13 = UCONTEXT_REG_R13 (ctx);
mctx->r14 = UCONTEXT_REG_R14 (ctx);
mctx->r15 = UCONTEXT_REG_R15 (ctx);
mctx->rip = UCONTEXT_REG_RIP (ctx);
#else
MonoContext *ctx = (MonoContext *)sigctx;
mctx->rax = ctx->rax;
mctx->rbx = ctx->rbx;
mctx->rcx = ctx->rcx;
mctx->rdx = ctx->rdx;
mctx->rbp = ctx->rbp;
mctx->rsp = ctx->rsp;
mctx->rsi = ctx->rsi;
mctx->rdi = ctx->rdi;
mctx->r8 = ctx->r8;
mctx->r9 = ctx->r9;
mctx->r10 = ctx->r10;
mctx->r11 = ctx->r11;
mctx->r12 = ctx->r12;
mctx->r13 = ctx->r13;
mctx->r14 = ctx->r14;
mctx->r15 = ctx->r15;
mctx->rip = ctx->rip;
#endif
}
void
mono_arch_handle_altstack_exception (void *sigctx, MONO_SIG_HANDLER_INFO_TYPE *siginfo, gpointer fault_addr, gboolean stack_ovf)
{
#if defined(MONO_ARCH_USE_SIGACTION)
MonoException *exc = NULL;
MonoJitInfo *ji = mini_jit_info_table_find (mono_domain_get (), (char *)UCONTEXT_REG_RIP (sigctx), NULL);
gpointer *sp;
int frame_size;
MonoContext *copied_ctx;
if (stack_ovf)
exc = mono_domain_get ()->stack_overflow_ex;
if (!ji)
mono_handle_native_sigsegv (SIGSEGV, sigctx, siginfo);
/* setup a call frame on the real stack so that control is returned there
* and exception handling can continue.
* The frame looks like:
* ucontext struct
* ...
* return ip
* 128 is the size of the red zone
*/
frame_size = sizeof (MonoContext) + sizeof (gpointer) * 4 + 128;
frame_size += 15;
frame_size &= ~15;
sp = (gpointer *)(UCONTEXT_REG_RSP (sigctx) & ~15);
sp = (gpointer *)((char*)sp - frame_size);
copied_ctx = (MonoContext*)(sp + 4);
/* the arguments must be aligned */
sp [-1] = (gpointer)UCONTEXT_REG_RIP (sigctx);
mono_sigctx_to_monoctx (sigctx, copied_ctx);
/* at the return form the signal handler execution starts in altstack_handle_and_restore() */
UCONTEXT_REG_RIP (sigctx) = (unsigned long)altstack_handle_and_restore;
UCONTEXT_REG_RSP (sigctx) = (unsigned long)(sp - 1);
UCONTEXT_REG_RDI (sigctx) = (unsigned long)(copied_ctx);
UCONTEXT_REG_RSI (sigctx) = (guint64)exc;
UCONTEXT_REG_RDX (sigctx) = stack_ovf;
#endif
}
void
mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx)
{
#if defined(__native_client__) || defined(__native_client_codegen__)
printf("WARNING: mono_arch_monoctx_to_sigctx() called!\n");
#endif
#ifdef MONO_CROSS_COMPILE
g_assert_not_reached ();
#elif defined(MONO_SIGNAL_USE_UCONTEXT_T)
ucontext_t *ctx = (ucontext_t*)sigctx;
UCONTEXT_REG_RAX (ctx) = mctx->gregs [AMD64_RAX];
UCONTEXT_REG_RBX (ctx) = mctx->gregs [AMD64_RBX];
UCONTEXT_REG_RCX (ctx) = mctx->gregs [AMD64_RCX];
UCONTEXT_REG_RDX (ctx) = mctx->gregs [AMD64_RDX];
UCONTEXT_REG_RBP (ctx) = mctx->gregs [AMD64_RBP];
UCONTEXT_REG_RSP (ctx) = mctx->gregs [AMD64_RSP];
UCONTEXT_REG_RSI (ctx) = mctx->gregs [AMD64_RSI];
UCONTEXT_REG_RDI (ctx) = mctx->gregs [AMD64_RDI];
UCONTEXT_REG_R8 (ctx) = mctx->gregs [AMD64_R8];
UCONTEXT_REG_R9 (ctx) = mctx->gregs [AMD64_R9];
UCONTEXT_REG_R10 (ctx) = mctx->gregs [AMD64_R10];
UCONTEXT_REG_R11 (ctx) = mctx->gregs [AMD64_R11];
UCONTEXT_REG_R12 (ctx) = mctx->gregs [AMD64_R12];
UCONTEXT_REG_R13 (ctx) = mctx->gregs [AMD64_R13];
UCONTEXT_REG_R14 (ctx) = mctx->gregs [AMD64_R14];
UCONTEXT_REG_R15 (ctx) = mctx->gregs [AMD64_R15];
UCONTEXT_REG_RIP (ctx) = mctx->gregs [AMD64_RIP];
#ifdef UCONTEXT_REG_XMM
UCONTEXT_REG_XMM0 (ctx) = mctx->fregs [0];
UCONTEXT_REG_XMM1 (ctx) = mctx->fregs [1];
UCONTEXT_REG_XMM2 (ctx) = mctx->fregs [2];
UCONTEXT_REG_XMM3 (ctx) = mctx->fregs [3];
UCONTEXT_REG_XMM4 (ctx) = mctx->fregs [4];
UCONTEXT_REG_XMM5 (ctx) = mctx->fregs [5];
UCONTEXT_REG_XMM6 (ctx) = mctx->fregs [6];
UCONTEXT_REG_XMM7 (ctx) = mctx->fregs [7];
UCONTEXT_REG_XMM8 (ctx) = mctx->fregs [8];
UCONTEXT_REG_XMM9 (ctx) = mctx->fregs [9];
UCONTEXT_REG_XMM10 (ctx) = mctx->fregs [10];
UCONTEXT_REG_XMM11 (ctx) = mctx->fregs [11];
UCONTEXT_REG_XMM12 (ctx) = mctx->fregs [12];
UCONTEXT_REG_XMM13 (ctx) = mctx->fregs [13];
UCONTEXT_REG_XMM14 (ctx) = mctx->fregs [14];
UCONTEXT_REG_XMM15 (ctx) = mctx->fregs [15];
#endif
#elif defined(HOST_WIN32)
CONTEXT *context = (CONTEXT*)sigctx;
context->Rip = mctx->gregs [AMD64_RIP];
context->Rax = mctx->gregs [AMD64_RAX];
context->Rcx = mctx->gregs [AMD64_RCX];
context->Rdx = mctx->gregs [AMD64_RDX];
context->Rbx = mctx->gregs [AMD64_RBX];
context->Rsp = mctx->gregs [AMD64_RSP];
context->Rbp = mctx->gregs [AMD64_RBP];
context->Rsi = mctx->gregs [AMD64_RSI];
context->Rdi = mctx->gregs [AMD64_RDI];
context->R8 = mctx->gregs [AMD64_R8];
context->R9 = mctx->gregs [AMD64_R9];
context->R10 = mctx->gregs [AMD64_R10];
context->R11 = mctx->gregs [AMD64_R11];
context->R12 = mctx->gregs [AMD64_R12];
context->R13 = mctx->gregs [AMD64_R13];
context->R14 = mctx->gregs [AMD64_R14];
context->R15 = mctx->gregs [AMD64_R15];
#else
g_assert_not_reached ();
#endif
}
void
mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx)
{
#if defined(__native_client_codegen__) || defined(__native_client__)
printf("WARNING: mono_arch_sigctx_to_monoctx() called!\n");
#endif
#ifdef MONO_CROSS_COMPILE
g_assert_not_reached ();
#elif defined(MONO_SIGNAL_USE_UCONTEXT_T)
ucontext_t *ctx = (ucontext_t*)sigctx;
mctx->gregs [AMD64_RAX] = UCONTEXT_REG_RAX (ctx);
mctx->gregs [AMD64_RBX] = UCONTEXT_REG_RBX (ctx);
mctx->gregs [AMD64_RCX] = UCONTEXT_REG_RCX (ctx);
mctx->gregs [AMD64_RDX] = UCONTEXT_REG_RDX (ctx);
mctx->gregs [AMD64_RBP] = UCONTEXT_REG_RBP (ctx);
mctx->gregs [AMD64_RSP] = UCONTEXT_REG_RSP (ctx);
mctx->gregs [AMD64_RSI] = UCONTEXT_REG_RSI (ctx);
mctx->gregs [AMD64_RDI] = UCONTEXT_REG_RDI (ctx);
mctx->gregs [AMD64_R8] = UCONTEXT_REG_R8 (ctx);
mctx->gregs [AMD64_R9] = UCONTEXT_REG_R9 (ctx);
mctx->gregs [AMD64_R10] = UCONTEXT_REG_R10 (ctx);
mctx->gregs [AMD64_R11] = UCONTEXT_REG_R11 (ctx);
mctx->gregs [AMD64_R12] = UCONTEXT_REG_R12 (ctx);
mctx->gregs [AMD64_R13] = UCONTEXT_REG_R13 (ctx);
mctx->gregs [AMD64_R14] = UCONTEXT_REG_R14 (ctx);
mctx->gregs [AMD64_R15] = UCONTEXT_REG_R15 (ctx);
mctx->gregs [AMD64_RIP] = UCONTEXT_REG_RIP (ctx);
#ifdef UCONTEXT_REG_XMM
mctx->fregs [0] = UCONTEXT_REG_XMM0 (ctx);
mctx->fregs [1] = UCONTEXT_REG_XMM1 (ctx);
mctx->fregs [2] = UCONTEXT_REG_XMM2 (ctx);
mctx->fregs [3] = UCONTEXT_REG_XMM3 (ctx);
mctx->fregs [4] = UCONTEXT_REG_XMM4 (ctx);
mctx->fregs [5] = UCONTEXT_REG_XMM5 (ctx);
mctx->fregs [6] = UCONTEXT_REG_XMM6 (ctx);
mctx->fregs [7] = UCONTEXT_REG_XMM7 (ctx);
mctx->fregs [8] = UCONTEXT_REG_XMM8 (ctx);
mctx->fregs [9] = UCONTEXT_REG_XMM9 (ctx);
mctx->fregs [10] = UCONTEXT_REG_XMM10 (ctx);
mctx->fregs [11] = UCONTEXT_REG_XMM11 (ctx);
mctx->fregs [12] = UCONTEXT_REG_XMM12 (ctx);
mctx->fregs [13] = UCONTEXT_REG_XMM13 (ctx);
mctx->fregs [14] = UCONTEXT_REG_XMM14 (ctx);
mctx->fregs [15] = UCONTEXT_REG_XMM15 (ctx);
#endif
#elif defined(HOST_WIN32)
CONTEXT *context = (CONTEXT*)sigctx;
mctx->gregs [AMD64_RIP] = context->Rip;
mctx->gregs [AMD64_RAX] = context->Rax;
mctx->gregs [AMD64_RCX] = context->Rcx;
mctx->gregs [AMD64_RDX] = context->Rdx;
mctx->gregs [AMD64_RBX] = context->Rbx;
mctx->gregs [AMD64_RSP] = context->Rsp;
mctx->gregs [AMD64_RBP] = context->Rbp;
mctx->gregs [AMD64_RSI] = context->Rsi;
mctx->gregs [AMD64_RDI] = context->Rdi;
mctx->gregs [AMD64_R8] = context->R8;
mctx->gregs [AMD64_R9] = context->R9;
mctx->gregs [AMD64_R10] = context->R10;
mctx->gregs [AMD64_R11] = context->R11;
mctx->gregs [AMD64_R12] = context->R12;
mctx->gregs [AMD64_R13] = context->R13;
mctx->gregs [AMD64_R14] = context->R14;
mctx->gregs [AMD64_R15] = context->R15;
#else
g_assert_not_reached ();
#endif
}
