#include <mono/metadata/appdomain.h>
#include <mono/metadata/marshal.h>
#include <mono/metadata/tabledefs.h>
-#include <mono/metadata/mono-debug-debugger.h>
#include <mono/metadata/profiler-private.h>
#include <mono/metadata/gc-internals.h>
#include <mono/arch/amd64/amd64-codegen.h>
gpointer
mono_amd64_handler_block_trampoline_helper (void)
{
- MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_native_tls_get_value (mono_jit_tls_id);
+ MonoJitTlsData *jit_tls = (MonoJitTlsData *)mono_tls_get_jit_tls ();
return jit_tls->handler_block_return_address;
}
guint8*
mono_arch_create_sdb_trampoline (gboolean single_step, MonoTrampInfo **info, gboolean aot)
{
- int tramp_size = 256;
+ int tramp_size = 512;
int i, framesize, ctx_offset, cfa_offset, gregs_offset;
guint8 *code, *buf;
GSList *unwind_ops = NULL;
return buf;
}
+
+/*
+ * mono_arch_get_enter_icall_trampoline:
+ *
+ * A trampoline that handles the transition from interpreter into native world.
+ * It requiers to set up a descriptor (MethodArguments) that describes the
+ * required arguments passed to the callee.
+ */
+gpointer
+mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
+{
+#ifdef ENABLE_INTERPRETER
+ const int gregs_num = 8;
+ const int fregs_num = 3;
+ guint8 *start = NULL, *code, *label_gexits [gregs_num], *label_fexits [fregs_num], *label_leave_tramp [3], *label_is_float_ret;
+ MonoJumpInfo *ji = NULL;
+ GSList *unwind_ops = NULL;
+ static int farg_regs[] = {AMD64_XMM0, AMD64_XMM1, AMD64_XMM2};
+ int i, framesize = 0, off_rbp, off_methodargs, off_targetaddr;
+
+ start = code = (guint8 *) mono_global_codeman_reserve (256);
+
+ off_rbp = -framesize;
+
+ framesize += sizeof (mgreg_t);
+ off_methodargs = -framesize;
+
+ framesize += sizeof (mgreg_t);
+ off_targetaddr = -framesize;
+
+ framesize += (gregs_num - PARAM_REGS) * sizeof (mgreg_t);
+
+ amd64_push_reg (code, AMD64_RBP);
+ amd64_mov_reg_reg (code, AMD64_RBP, AMD64_RSP, sizeof (mgreg_t));
+ amd64_alu_reg_imm (code, X86_SUB, AMD64_RSP, ALIGN_TO (framesize, MONO_ARCH_FRAME_ALIGNMENT));
+
+ /* save MethodArguments* onto stack */
+ amd64_mov_membase_reg (code, AMD64_RBP, off_methodargs, AMD64_ARG_REG2, sizeof (mgreg_t));
+
+ /* save target address on stack */
+ amd64_mov_membase_reg (code, AMD64_RBP, off_targetaddr, AMD64_ARG_REG1, sizeof (mgreg_t));
+
+ /* load pointer to MethodArguments* into R11 */
+ amd64_mov_reg_reg (code, AMD64_R11, AMD64_ARG_REG2, 8);
+
+ /* move flen into RAX */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, 16, sizeof (mgreg_t));
+ /* load pointer to fregs into R11 */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, 24, sizeof (mgreg_t));
+
+ for (i = 0; i < fregs_num; ++i) {
+ amd64_test_reg_reg (code, AMD64_RAX, AMD64_RAX);
+ label_fexits [i] = code;
+ x86_branch8 (code, X86_CC_Z, 0, FALSE);
+
+ amd64_sse_movsd_reg_membase (code, farg_regs [i], AMD64_R11, i * sizeof (double));
+ amd64_dec_reg_size (code, AMD64_RAX, 1);
+ }
+
+ for (i = 0; i < fregs_num; i++) {
+ x86_patch (label_fexits [i], code);
+ }
+
+ /* load pointer to MethodArguments* into R11 */
+ amd64_mov_reg_reg (code, AMD64_R11, AMD64_ARG_REG2, sizeof (mgreg_t));
+ /* move ilen into RAX */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, 0, sizeof (mgreg_t));
+
+ int stack_offset = 0;
+ for (i = 0; i < gregs_num; i++) {
+ amd64_test_reg_reg (code, AMD64_RAX, AMD64_RAX);
+ label_gexits [i] = code;
+ x86_branch32 (code, X86_CC_Z, 0, FALSE);
+
+ /* load pointer to MethodArguments* into R11 */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_RBP, off_methodargs, sizeof (mgreg_t));
+ /* load pointer to iregs into R11 */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, 8, sizeof (mgreg_t));
+
+ if (i < PARAM_REGS) {
+ amd64_mov_reg_membase (code, param_regs [i], AMD64_R11, i * sizeof (mgreg_t), sizeof (mgreg_t));
+ } else {
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, i * sizeof (mgreg_t), sizeof (mgreg_t));
+ amd64_mov_membase_reg (code, AMD64_RSP, stack_offset, AMD64_R11, sizeof (mgreg_t));
+ stack_offset += sizeof (mgreg_t);
+ }
+ amd64_dec_reg_size (code, AMD64_RAX, 1);
+ }
+
+ for (i = 0; i < gregs_num; i++) {
+ x86_patch (label_gexits [i], code);
+ }
+
+ /* load target addr */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_RBP, off_targetaddr, sizeof (mgreg_t));
+
+ /* call into native function */
+ amd64_call_reg (code, AMD64_R11);
+
+ /* load MethodArguments */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_RBP, off_methodargs, sizeof (mgreg_t));
+
+ /* load is_float_ret */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, 0x28, sizeof (mgreg_t));
+
+ /* check if a float return value is expected */
+ amd64_test_reg_reg (code, AMD64_R11, AMD64_R11);
+
+ label_is_float_ret = code;
+ x86_branch8 (code, X86_CC_NZ, 0, FALSE);
+
+
+
+ /* greg return */
+ /* load MethodArguments */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_RBP, off_methodargs, sizeof (mgreg_t));
+ /* load retval */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, 0x20, sizeof (mgreg_t));
+
+ amd64_test_reg_reg (code, AMD64_R11, AMD64_R11);
+ label_leave_tramp [0] = code;
+ x86_branch8 (code, X86_CC_Z, 0, FALSE);
+
+ amd64_mov_membase_reg (code, AMD64_R11, 0, AMD64_RAX, sizeof (mgreg_t));
+
+ label_leave_tramp [1] = code;
+ x86_jump8 (code, 0);
+
+
+
+ /* freg return */
+ x86_patch (label_is_float_ret, code);
+ /* load MethodArguments */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_RBP, off_methodargs, sizeof (mgreg_t));
+ /* load retval */ // TODO: struct offset
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, 0x20, sizeof (mgreg_t));
+
+ amd64_test_reg_reg (code, AMD64_R11, AMD64_R11);
+ label_leave_tramp [2] = code;
+ x86_branch8 (code, X86_CC_Z, 0, FALSE);
+
+ amd64_sse_movsd_membase_reg (code, AMD64_R11, 0, AMD64_XMM0);
+
+ for (i = 0; i < 3; i++)
+ x86_patch (label_leave_tramp [i], code);
+
+ amd64_alu_reg_imm (code, X86_ADD, AMD64_RSP, ALIGN_TO (framesize, MONO_ARCH_FRAME_ALIGNMENT));
+ amd64_pop_reg (code, AMD64_RBP);
+ amd64_ret (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 ("enter_icall_trampoline", start, code - start, ji, unwind_ops);
+
+ return start;
+#else
+ g_assert_not_reached ();
+ return NULL;
+#endif /* ENABLE_INTERPRETER */
+}
#endif /* !DISABLE_JIT */
#ifdef DISABLE_JIT
g_assert_not_reached ();
return NULL;
}
+
+gpointer
+mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
#endif /* DISABLE_JIT */
projects / mono.git / blobdiff