#include <config.h>
#include <glib.h>
-#include <signal.h>
#include <string.h>
+#ifdef HAVE_SIGNAL_H
+#include <signal.h>
+#endif
#ifdef HAVE_UCONTEXT_H
#include <ucontext.h>
#endif
#include <mono/arch/amd64/amd64-codegen.h>
+#include <mono/metadata/abi-details.h>
#include <mono/metadata/appdomain.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/threads.h>
void *mono_win_vectored_exception_handle;
#define W32_SEH_HANDLE_EX(_ex) \
- if (_ex##_handler) _ex##_handler(0, ep, sctx)
+ if (_ex##_handler) _ex##_handler(0, ep, ctx)
static LONG CALLBACK seh_unhandled_exception_filter(EXCEPTION_POINTERS* ep)
{
}
#endif
- mono_handle_native_sigsegv (SIGSEGV, NULL);
+ mono_handle_native_sigsegv (SIGSEGV, NULL, NULL);
return EXCEPTION_CONTINUE_SEARCH;
}
{
EXCEPTION_RECORD* er;
CONTEXT* ctx;
- MonoContext* sctx;
LONG res;
MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
er = ep->ExceptionRecord;
ctx = ep->ContextRecord;
- sctx = g_malloc(sizeof(MonoContext));
-
- /* Copy Win32 context to UNIX style context */
- sctx->rax = ctx->Rax;
- sctx->rbx = ctx->Rbx;
- sctx->rcx = ctx->Rcx;
- sctx->rdx = ctx->Rdx;
- sctx->rbp = ctx->Rbp;
- sctx->rsp = ctx->Rsp;
- sctx->rsi = ctx->Rsi;
- sctx->rdi = ctx->Rdi;
- sctx->rip = ctx->Rip;
- sctx->r12 = ctx->R12;
- sctx->r13 = ctx->R13;
- sctx->r14 = ctx->R14;
- sctx->r15 = ctx->R15;
switch (er->ExceptionCode) {
case EXCEPTION_ACCESS_VIOLATION:
* can correctly chain the exception.
*/
res = EXCEPTION_CONTINUE_SEARCH;
- } else {
- /* Copy context back */
- /* Nonvolatile */
- ctx->Rsp = sctx->rsp;
- ctx->Rdi = sctx->rdi;
- ctx->Rsi = sctx->rsi;
- ctx->Rbx = sctx->rbx;
- ctx->Rbp = sctx->rbp;
- ctx->R12 = sctx->r12;
- ctx->R13 = sctx->r13;
- ctx->R14 = sctx->r14;
- ctx->R15 = sctx->r15;
- ctx->Rip = sctx->rip;
-
- /* Volatile But should not matter?*/
- ctx->Rax = sctx->rax;
- ctx->Rcx = sctx->rcx;
- ctx->Rdx = sctx->rdx;
}
- /* TODO: Find right place to free this in stack overflow case */
- if (er->ExceptionCode != EXCEPTION_STACK_OVERFLOW)
- g_free (sctx);
-
return res;
}
amd64_mov_reg_reg (code, AMD64_R11, AMD64_ARG_REG1, 8);
/* Restore all registers except %rip and %r11 */
- amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rax), 8);
- amd64_mov_reg_membase (code, AMD64_RCX, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rcx), 8);
- amd64_mov_reg_membase (code, AMD64_RDX, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rdx), 8);
- amd64_mov_reg_membase (code, AMD64_RBX, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rbx), 8);
- amd64_mov_reg_membase (code, AMD64_RBP, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rbp), 8);
- amd64_mov_reg_membase (code, AMD64_RSI, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rsi), 8);
- amd64_mov_reg_membase (code, AMD64_RDI, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rdi), 8);
- //amd64_mov_reg_membase (code, AMD64_R8, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r8), 8);
- //amd64_mov_reg_membase (code, AMD64_R9, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r9), 8);
- //amd64_mov_reg_membase (code, AMD64_R10, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r10), 8);
- amd64_mov_reg_membase (code, AMD64_R12, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r12), 8);
- amd64_mov_reg_membase (code, AMD64_R13, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r13), 8);
- amd64_mov_reg_membase (code, AMD64_R14, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r14), 8);
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rax), 8);
+ amd64_mov_reg_membase (code, AMD64_RCX, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rcx), 8);
+ amd64_mov_reg_membase (code, AMD64_RDX, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rdx), 8);
+ amd64_mov_reg_membase (code, AMD64_RBX, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rbx), 8);
+ amd64_mov_reg_membase (code, AMD64_RBP, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rbp), 8);
+ amd64_mov_reg_membase (code, AMD64_RSI, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rsi), 8);
+ amd64_mov_reg_membase (code, AMD64_RDI, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rdi), 8);
+ //amd64_mov_reg_membase (code, AMD64_R8, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r8), 8);
+ //amd64_mov_reg_membase (code, AMD64_R9, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r9), 8);
+ //amd64_mov_reg_membase (code, AMD64_R10, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r10), 8);
+ amd64_mov_reg_membase (code, AMD64_R12, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r12), 8);
+ amd64_mov_reg_membase (code, AMD64_R13, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r13), 8);
+ amd64_mov_reg_membase (code, AMD64_R14, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r14), 8);
#if !defined(__native_client_codegen__)
- amd64_mov_reg_membase (code, AMD64_R15, AMD64_R11, G_STRUCT_OFFSET (MonoContext, r15), 8);
+ amd64_mov_reg_membase (code, AMD64_R15, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, r15), 8);
#endif
/*
* size. Hence the stack pointer can be restored only after
* we have finished loading everything from the context.
*/
- amd64_mov_reg_membase (code, AMD64_R8, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rsp), 8);
- amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, G_STRUCT_OFFSET (MonoContext, rip), 8);
+ amd64_mov_reg_membase (code, AMD64_R8, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rsp), 8);
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (MonoContext, rip), 8);
amd64_mov_reg_reg (code, AMD64_RSP, AMD64_R8, 8);
/* jump to the saved IP */
nacl_global_codeman_validate(&start, 256, &code);
mono_arch_flush_icache (start, code - start);
+ mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
if (info)
*info = mono_tramp_info_create ("restore_context", start, code - start, ji, unwind_ops);
amd64_alu_reg_imm (code, X86_SUB, AMD64_RSP, 8);
/* set new EBP */
- amd64_mov_reg_membase (code, AMD64_RBP, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, rbp), 8);
+ amd64_mov_reg_membase (code, AMD64_RBP, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, rbp), 8);
/* load callee saved regs */
- amd64_mov_reg_membase (code, AMD64_RBX, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, rbx), 8);
- amd64_mov_reg_membase (code, AMD64_R12, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, r12), 8);
- amd64_mov_reg_membase (code, AMD64_R13, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, r13), 8);
- amd64_mov_reg_membase (code, AMD64_R14, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, r14), 8);
+ amd64_mov_reg_membase (code, AMD64_RBX, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, rbx), 8);
+ amd64_mov_reg_membase (code, AMD64_R12, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, r12), 8);
+ amd64_mov_reg_membase (code, AMD64_R13, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, r13), 8);
+ amd64_mov_reg_membase (code, AMD64_R14, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, r14), 8);
#if !defined(__native_client_codegen__)
- amd64_mov_reg_membase (code, AMD64_R15, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, r15), 8);
+ amd64_mov_reg_membase (code, AMD64_R15, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, r15), 8);
#endif
#ifdef TARGET_WIN32
- amd64_mov_reg_membase (code, AMD64_RDI, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, rdi), 8);
- amd64_mov_reg_membase (code, AMD64_RSI, AMD64_ARG_REG1, G_STRUCT_OFFSET (MonoContext, rsi), 8);
+ amd64_mov_reg_membase (code, AMD64_RDI, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, rdi), 8);
+ amd64_mov_reg_membase (code, AMD64_RSI, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, rsi), 8);
#endif
+ /* load exc register */
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_ARG_REG1, MONO_STRUCT_OFFSET (MonoContext, rax), 8);
/* call the handler */
amd64_call_reg (code, AMD64_ARG_REG2);
nacl_global_codeman_validate(&start, kMaxCodeSize, &code);
mono_arch_flush_icache (start, code - start);
+ mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
if (info)
*info = mono_tramp_info_create ("call_filter", start, code - start, ji, unwind_ops);
if (mono_object_isinst (exc, mono_defaults.exception_class)) {
MonoException *mono_ex = (MonoException*)exc;
- if (!rethrow)
+ if (!rethrow) {
mono_ex->stack_trace = NULL;
+ mono_ex->trace_ips = NULL;
+ }
}
/* adjust eip so that it point into the call instruction */
g_assert ((code - start) < kMaxCodeSize);
nacl_global_codeman_validate(&start, kMaxCodeSize, &code);
+ mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
if (info)
*info = mono_tramp_info_create (tramp_name, start, code - start, ji, unwind_ops);
guint8 *cfa;
guint32 unwind_info_len;
guint8 *unwind_info;
- guint8 *epilog;
+ guint8 *epilog = NULL;
frame->type = FRAME_TYPE_MANAGED;
printf ("%s %p %p\n", ji->d.method->name, ji->code_start, ip);
mono_print_unwind_info (unwind_info, unwind_info_len);
*/
- epilog = (guint8*)ji->code_start + ji->code_size - (ji->unwind_info >> 16);
+ /* LLVM compiled code doesn't have this info */
+ if (ji->has_arch_eh_info)
+ epilog = (guint8*)ji->code_start + ji->code_size - mono_jinfo_get_epilog_size (ji);
regs [AMD64_RAX] = new_ctx->rax;
regs [AMD64_RBX] = new_ctx->rbx;
mono_unwind_frame (unwind_info, unwind_info_len, ji->code_start,
(guint8*)ji->code_start + ji->code_size,
- ip, &epilog, regs, MONO_MAX_IREGS + 1,
+ ip, epilog ? &epilog : NULL, regs, MONO_MAX_IREGS + 1,
save_locations, MONO_MAX_IREGS, &cfa);
new_ctx->rax = regs [AMD64_RAX];
/* Adjust IP */
new_ctx->rip --;
-#ifndef MONO_AMD64_NO_PUSHES
- /* Pop arguments off the stack */
- if (ji->has_arch_eh_info)
- new_ctx->rsp += mono_jit_info_get_arch_eh_info (ji)->stack_size;
-#endif
-
return TRUE;
} else if (*lmf) {
guint64 rip;
MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
/* Pass the ctx parameter in TLS */
- mono_arch_sigctx_to_monoctx (sigctx, &jit_tls->ex_ctx);
+ mono_sigctx_to_monoctx (sigctx, &jit_tls->ex_ctx);
mctx = jit_tls->ex_ctx;
mono_arch_setup_async_callback (&mctx, handle_signal_exception, obj);
#else
MonoContext mctx;
- mono_arch_sigctx_to_monoctx (sigctx, &mctx);
+ mono_sigctx_to_monoctx (sigctx, &mctx);
mono_handle_exception (&mctx, obj);
- mono_arch_monoctx_to_sigctx (&mctx, sigctx);
+ mono_monoctx_to_sigctx (&mctx, sigctx);
return TRUE;
#endif
}
-void
-mono_arch_sigctx_to_monoctx (void *sigctx, MonoContext *mctx)
-{
- mono_sigctx_to_monoctx (sigctx, mctx);
-}
-
-void
-mono_arch_monoctx_to_sigctx (MonoContext *mctx, void *sigctx)
-{
- mono_monoctx_to_sigctx (mctx, sigctx);
-}
-
gpointer
mono_arch_ip_from_context (void *sigctx)
{
ucontext_t *ctx = (ucontext_t*)sigctx;
return (gpointer)UCONTEXT_REG_RIP (ctx);
+#elif defined(HOST_WIN32)
+ return ((CONTEXT*)sigctx)->Rip;
#else
MonoContext *ctx = sigctx;
return (gpointer)ctx->rip;
}
void
-mono_arch_handle_altstack_exception (void *sigctx, gpointer fault_addr, gboolean stack_ovf)
+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;
if (stack_ovf)
exc = mono_domain_get ()->stack_overflow_ex;
if (!ji)
- mono_handle_native_sigsegv (SIGSEGV, sigctx);
+ 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.
/* Call the throw trampoline */
if (aot) {
- ji = mono_patch_info_list_prepend (ji, code - start, MONO_PATCH_INFO_JIT_ICALL_ADDR, "mono_amd64_throw_exception");
+ ji = mono_patch_info_list_prepend (ji, code - start, MONO_PATCH_INFO_JIT_ICALL_ADDR, "mono_throw_exception");
amd64_mov_reg_membase (code, AMD64_R11, AMD64_RIP, 0, 8);
} else {
throw_trampoline = mono_get_throw_exception ();
g_assert ((code - start) < kMaxCodeSize);
nacl_global_codeman_validate(&start, kMaxCodeSize, &code);
+ mono_arch_flush_icache (start, code - start);
+ mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
if (info)
*info = mono_tramp_info_create ("throw_pending_exception", start, code - start, ji, unwind_ops);
* exception.
*/
void
-mono_arch_notify_pending_exc (void)
+mono_arch_notify_pending_exc (MonoThreadInfo *info)
{
MonoLMF *lmf = mono_get_lmf ();
+ if (!info) {
+ lmf = mono_get_lmf ();
+ } else {
+ g_assert (mono_thread_info_get_suspend_state (info)->valid);
+ lmf = mono_thread_info_get_suspend_state (info)->unwind_data [MONO_UNWIND_DATA_LMF];
+ }
+
if (!lmf)
/* Not yet started */
return;
amd64_mov_reg_reg (code, cont_reg, MONO_AMD64_ARG_REG1, 8);
amd64_mov_reg_reg (code, AMD64_RAX, MONO_AMD64_ARG_REG2, 8);
/* setup the copy of the stack */
- amd64_mov_reg_membase (code, AMD64_RCX, cont_reg, G_STRUCT_OFFSET (MonoContinuation, stack_used_size), sizeof (int));
+ amd64_mov_reg_membase (code, AMD64_RCX, cont_reg, MONO_STRUCT_OFFSET (MonoContinuation, stack_used_size), sizeof (int));
amd64_shift_reg_imm (code, X86_SHR, AMD64_RCX, 3);
x86_cld (code);
- amd64_mov_reg_membase (code, AMD64_RSI, cont_reg, G_STRUCT_OFFSET (MonoContinuation, saved_stack), sizeof (gpointer));
- amd64_mov_reg_membase (code, AMD64_RDI, cont_reg, G_STRUCT_OFFSET (MonoContinuation, return_sp), sizeof (gpointer));
+ amd64_mov_reg_membase (code, AMD64_RSI, cont_reg, MONO_STRUCT_OFFSET (MonoContinuation, saved_stack), sizeof (gpointer));
+ amd64_mov_reg_membase (code, AMD64_RDI, cont_reg, MONO_STRUCT_OFFSET (MonoContinuation, return_sp), sizeof (gpointer));
amd64_prefix (code, X86_REP_PREFIX);
amd64_movsl (code);
/* now restore the registers from the LMF */
NOT_IMPLEMENTED;
- amd64_mov_reg_membase (code, AMD64_RCX, cont_reg, G_STRUCT_OFFSET (MonoContinuation, lmf), 8);
- amd64_mov_reg_membase (code, AMD64_RSP, AMD64_RCX, G_STRUCT_OFFSET (MonoLMF, rsp), 8);
+ amd64_mov_reg_membase (code, AMD64_RCX, cont_reg, MONO_STRUCT_OFFSET (MonoContinuation, lmf), 8);
+ amd64_mov_reg_membase (code, AMD64_RSP, AMD64_RCX, MONO_STRUCT_OFFSET (MonoLMF, rsp), 8);
/* restore the lmf chain */
/*x86_mov_reg_membase (code, X86_ECX, X86_ESP, 12, 4);
x86_mov_membase_reg (code, X86_ECX, 0, X86_EDX, 4);*/
/* state is already in rax */
- amd64_jump_membase (code, cont_reg, G_STRUCT_OFFSET (MonoContinuation, return_ip));
+ amd64_jump_membase (code, cont_reg, MONO_STRUCT_OFFSET (MonoContinuation, return_ip));
g_assert ((code - start) <= kMaxCodeSize);
nacl_global_codeman_validate(&start, kMaxCodeSize, &code);
+ mono_arch_flush_icache (start, code - start);
+ mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
saved = start;
return (MonoContinuationRestore)saved;
projects / mono.git / blobdiff