-/*
- * exceptions-arm.c: exception support for ARM
+/**
+ * \file
+ * exception support for ARM
*
* Authors:
* Dietmar Maurer (dietmar@ximian.com)
#include <string.h>
#ifndef MONO_CROSS_COMPILE
-#ifdef HAVE_ASM_SIGCONTEXT_H
+#ifdef HOST_ANDROID
#include <asm/sigcontext.h>
-#endif /* def HAVE_ASM_SIGCONTEXT_H */
+#endif /* def HOST_ANDROID */
#endif
#ifdef HAVE_UCONTEXT_H
ARM_MOV_REG_REG (code, ARMREG_IP, ARMREG_SP);
ARM_PUSH (code, MONO_ARM_REGSAVE_MASK);
+ ARM_SUB_REG_IMM8 (code, ARMREG_SP, ARMREG_SP, 8);
+
/* restore all the regs from ctx (in r0), but not sp, the stack pointer */
ctx_reg = ARMREG_R0;
ARM_LDR_IMM (code, ARMREG_IP, ctx_reg, MONO_STRUCT_OFFSET (MonoContext, pc));
ARM_MOV_REG_REG (code, ARMREG_LR, ARMREG_PC);
ARM_MOV_REG_REG (code, ARMREG_PC, ARMREG_R1);
+ ARM_ADD_REG_IMM8 (code, ARMREG_SP, ARMREG_SP, 8);
+
/* epilog */
ARM_POP_NWB (code, 0xff0 | ((1 << ARMREG_SP) | (1 << ARMREG_PC)));
void
mono_arm_throw_exception (MonoObject *exc, mgreg_t pc, mgreg_t sp, mgreg_t *int_regs, gdouble *fp_regs)
{
+ MonoError error;
MonoContext ctx;
gboolean rethrow = sp & 1;
memcpy (((guint8*)&ctx.regs) + (ARMREG_R4 * sizeof (mgreg_t)), int_regs, 8 * sizeof (mgreg_t));
memcpy (&ctx.fregs, fp_regs, sizeof (double) * 16);
- if (mono_object_isinst (exc, mono_defaults.exception_class)) {
+ if (mono_object_isinst_checked (exc, mono_defaults.exception_class, &error)) {
MonoException *mono_ex = (MonoException*)exc;
if (!rethrow) {
mono_ex->stack_trace = NULL;
mono_ex->trace_ips = NULL;
}
}
+ mono_error_assert_ok (&error);
mono_handle_exception (&ctx, exc);
mono_restore_context (&ctx);
g_assert_not_reached ();
}
void
-mono_arm_throw_exception_by_token (guint32 type_token, mgreg_t pc, mgreg_t sp, mgreg_t *int_regs, gdouble *fp_regs)
+mono_arm_throw_exception_by_token (guint32 ex_token_index, mgreg_t pc, mgreg_t sp, mgreg_t *int_regs, gdouble *fp_regs)
{
+ guint32 ex_token = MONO_TOKEN_TYPE_DEF | ex_token_index;
/* Clear thumb bit */
pc &= ~1;
- mono_arm_throw_exception ((MonoObject*)mono_exception_from_token (mono_defaults.corlib, type_token), pc, sp, int_regs, fp_regs);
+ mono_arm_throw_exception ((MonoObject*)mono_exception_from_token (mono_defaults.corlib, ex_token), pc, sp, int_regs, fp_regs);
}
void
/* exc is already in place in r0 */
if (corlib) {
/* The caller ip is already in R1 */
- if (llvm)
- /* Negate the ip adjustment done in mono_arm_throw_exception */
- ARM_ADD_REG_IMM8 (code, ARMREG_R1, ARMREG_R1, 4);
+ if (llvm) {
+ /*
+ * The address passed by llvm might point to before the call,
+ * thus outside the eh range recorded by llvm. Use the return
+ * address instead.
+ * FIXME: Do this on more platforms.
+ */
+ ARM_MOV_REG_REG (code, ARMREG_R1, ARMREG_LR); /* caller ip */
+ }
} else {
ARM_MOV_REG_REG (code, ARMREG_R1, ARMREG_LR); /* caller ip */
}
/**
* mono_arch_get_throw_corlib_exception:
- *
- * Returns a function pointer which can be used to raise
+ * \returns a function pointer which can be used to raise
* corlib exceptions. The returned function has the following
* signature: void (*func) (guint32 ex_token, guint32 offset);
- * Here, offset is the offset which needs to be substracted from the caller IP
+ * Here, \c offset is the offset which needs to be substracted from the caller IP
* to get the IP of the throw. Passing the offset has the advantage that it
* needs no relocations in the caller.
* On ARM, the ip is passed instead of an offset.
} else if (*lmf) {
if (((gsize)(*lmf)->previous_lmf) & 2) {
- /*
- * This LMF entry is created by the soft debug code to mark transitions to
- * managed code done during invokes.
- */
MonoLMFExt *ext = (MonoLMFExt*)(*lmf);
- g_assert (ext->debugger_invoke);
-
- memcpy (new_ctx, &ext->ctx, sizeof (MonoContext));
+ if (ext->debugger_invoke) {
+ /*
+ * This LMF entry is created by the soft debug code to mark transitions to
+ * managed code done during invokes.
+ */
+ frame->type = FRAME_TYPE_DEBUGGER_INVOKE;
+ memcpy (new_ctx, &ext->ctx, sizeof (MonoContext));
+ } else if (ext->interp_exit) {
+ frame->type = FRAME_TYPE_INTERP_TO_MANAGED;
+ frame->interp_exit_data = ext->interp_exit_data;
+ } else {
+ g_assert_not_reached ();
+ }
*lmf = (gpointer)(((gsize)(*lmf)->previous_lmf) & ~3);
- frame->type = FRAME_TYPE_DEBUGGER_INVOKE;
-
return TRUE;
}
static void
handle_signal_exception (gpointer obj)
{
- MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
+ MonoJitTlsData *jit_tls = mono_tls_get_jit_tls ();
MonoContext ctx;
memcpy (&ctx, &jit_tls->ex_ctx, sizeof (MonoContext));
* signal is disabled, and we could run arbitrary code though the debugger. So
* resume into the normal stack and do most work there if possible.
*/
- MonoJitTlsData *jit_tls = mono_native_tls_get_value (mono_jit_tls_id);
+ MonoJitTlsData *jit_tls = mono_tls_get_jit_tls ();
guint64 sp = UCONTEXT_REG_SP (sigctx);
/* Pass the ctx parameter in TLS */
{
#ifdef MONO_CROSS_COMPILE
g_assert_not_reached ();
-#elif defined(__native_client__)
- g_assert_not_reached ();
#else
arm_ucontext *my_uc = sigctx;
return (void*) UCONTEXT_REG_PC (my_uc);
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