-/*
- * tramp-amd64.c: JIT trampoline code for amd64
+/**
+ * \file
+ * JIT trampoline code for amd64
*
* Authors:
* Dietmar Maurer (dietmar@ximian.com)
* Zoltan Varga (vargaz@gmail.com)
+ * Johan Lorensson (lateralusx.github@gmail.com)
*
* (C) 2001 Ximian, Inc.
* Copyright 2003-2011 Novell, Inc (http://www.novell.com)
#include "mini-amd64.h"
#include "debugger-agent.h"
+#ifdef ENABLE_INTERPRETER
+#include "interp/interp.h"
+#endif
+
#define ALIGN_TO(val,align) ((((guint64)val) + ((align) - 1)) & ~((align) - 1))
#define IS_REX(inst) (((inst) >= 0x40) && ((inst) <= 0x4f))
this_reg = mono_arch_get_this_arg_reg (NULL);
- start = code = (guint8 *)mono_domain_code_reserve (domain, size);
+ start = code = (guint8 *)mono_domain_code_reserve (domain, size + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0));
unwind_ops = mono_arch_get_cie_program ();
amd64_mov_reg_imm (code, AMD64_RAX, addr);
amd64_jump_reg (code, AMD64_RAX);
g_assert ((code - start) < size);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_TRAMPOLINE_UNWINDINFO_SIZE(0)));
mono_arch_flush_icache (start, code - start);
- mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE, m);
+ MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_UNBOX_TRAMPOLINE, m));
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, unwind_ops), domain);
/*
* mono_arch_get_static_rgctx_trampoline:
*
- * Create a trampoline which sets RGCTX_REG to MRGCTX, then jumps to ADDR.
+ * Create a trampoline which sets RGCTX_REG to ARG, then jumps to ADDR.
*/
gpointer
-mono_arch_get_static_rgctx_trampoline (MonoMethod *m, MonoMethodRuntimeGenericContext *mrgctx, gpointer addr)
+mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
guint8 *code, *start;
GSList *unwind_ops;
buf_len = 30;
#endif
- start = code = (guint8 *)mono_domain_code_reserve (domain, buf_len);
+ start = code = (guint8 *)mono_domain_code_reserve (domain, buf_len + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0));
unwind_ops = mono_arch_get_cie_program ();
- amd64_mov_reg_imm (code, MONO_ARCH_RGCTX_REG, mrgctx);
+ amd64_mov_reg_imm (code, MONO_ARCH_RGCTX_REG, arg);
amd64_jump_code (code, addr);
g_assert ((code - start) < buf_len);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_TRAMPOLINE_UNWINDINFO_SIZE(0)));
mono_arch_flush_icache (start, code - start);
- mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (start, code - start, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
mono_tramp_info_register (mono_tramp_info_create (NULL, start, code - start, NULL, unwind_ops), domain);
addr = thunk_start;
g_assert ((((guint64)(addr)) >> 32) == 0);
mono_arch_flush_icache (thunk_start, thunk_code - thunk_start);
- mono_profiler_code_buffer_new (thunk_start, thunk_code - thunk_start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (thunk_start, thunk_code - thunk_start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL));
}
if (can_write) {
InterlockedExchange ((gint32*)(orig_code - 4), ((gint64)addr - (gint64)orig_code));
*(guint64*)thunk_code = (guint64)addr;
addr = thunk_start;
mono_arch_flush_icache (thunk_start, thunk_code - thunk_start);
- mono_profiler_code_buffer_new (thunk_start, thunk_code - thunk_start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (thunk_start, thunk_code - thunk_start, MONO_PROFILER_CODE_BUFFER_HELPER, NULL));
return addr;
}
#endif /* !DISABLE_JIT */
else
has_caller = TRUE;
- code = buf = (guint8 *)mono_global_codeman_reserve (kMaxCodeSize);
+ code = buf = (guint8 *)mono_global_codeman_reserve (kMaxCodeSize + MONO_MAX_TRAMPOLINE_UNWINDINFO_SIZE);
/* Compute stack frame size and offsets */
offset = 0;
orig_rsp_to_rbp_offset -= sizeof(mgreg_t);
amd64_mov_reg_reg (code, AMD64_RBP, AMD64_RSP, sizeof(mgreg_t));
mono_add_unwind_op_def_cfa_reg (unwind_ops, code, buf, AMD64_RBP);
+ mono_add_unwind_op_fp_alloc (unwind_ops, code, buf, AMD64_RBP, 0);
amd64_alu_reg_imm (code, X86_SUB, AMD64_RSP, framesize);
/* Compute the trampoline address from the return address */
* We have an exception we want to throw in the caller's frame, so pop
* the trampoline frame and throw from the caller.
*/
+#if TARGET_WIN32
+ amd64_lea_membase (code, AMD64_RSP, AMD64_RBP, 0);
+ amd64_pop_reg (code, AMD64_RBP);
+ mono_add_unwind_op_same_value (unwind_ops, code, buf, AMD64_RBP);
+#else
amd64_leave (code);
+#endif
/* We are in the parent frame, the exception is in rax */
/*
* EH is initialized after trampolines, so get the address of the variable
amd64_movsd_reg_membase (code, i, AMD64_RBP, saved_fpregs_offset + (i * sizeof(mgreg_t)));
/* Restore stack */
+#if TARGET_WIN32
+ amd64_lea_membase (code, AMD64_RSP, AMD64_RBP, 0);
+ amd64_pop_reg (code, AMD64_RBP);
+ mono_add_unwind_op_same_value (unwind_ops, code, buf, AMD64_RBP);
+#else
amd64_leave (code);
+#endif
cfa_offset -= sizeof (mgreg_t);
mono_add_unwind_op_def_cfa (unwind_ops, code, buf, AMD64_RSP, cfa_offset);
}
g_assert ((code - buf) <= kMaxCodeSize);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_MAX_TRAMPOLINE_UNWINDINFO_SIZE));
mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL));
tramp_name = mono_get_generic_trampoline_name (tramp_type);
*info = mono_tramp_info_create (tramp_name, buf, code - buf, ji, unwind_ops);
*code_len = size;
mono_arch_flush_icache (buf, size);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE, mono_get_generic_trampoline_simple_name (tramp_type));
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_SPECIFIC_TRAMPOLINE, mono_get_generic_trampoline_simple_name (tramp_type)));
return buf;
}
tramp_size = 64 + 8 * depth;
- code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size);
+ code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0));
unwind_ops = mono_arch_get_cie_program ();
}
mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
g_assert (code - buf <= tramp_size);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_TRAMPOLINE_UNWINDINFO_SIZE(0)));
char *name = mono_get_rgctx_fetch_trampoline_name (slot);
*info = mono_tramp_info_create (name, buf, code - buf, ji, unwind_ops);
g_assert (aot);
tramp_size = 64;
- code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size);
+ code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0));
unwind_ops = mono_arch_get_cie_program ();
amd64_jump_reg (code, AMD64_R11);
mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_GENERICS_TRAMPOLINE, NULL));
g_assert (code - buf <= tramp_size);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_TRAMPOLINE_UNWINDINFO_SIZE(0)));
if (info)
*info = mono_tramp_info_create ("rgctx_fetch_trampoline_general", buf, code - buf, ji, unwind_ops);
MonoJumpInfo *ji = NULL;
GSList *unwind_ops;
- code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size);
+ code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0));
unwind_ops = mono_arch_get_cie_program ();
amd64_jump_reg (code, AMD64_RAX);
mono_arch_flush_icache (buf, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL));
g_assert (code - buf <= tramp_size);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_TRAMPOLINE_UNWINDINFO_SIZE(0)));
*info = mono_tramp_info_create ("handler_block_trampoline", buf, code - buf, ji, unwind_ops);
GSList *unwind_ops = NULL;
MonoJumpInfo *ji = NULL;
- code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size);
+ code = buf = (guint8 *)mono_global_codeman_reserve (tramp_size + MONO_MAX_TRAMPOLINE_UNWINDINFO_SIZE);
framesize = 0;
#ifdef TARGET_WIN32
amd64_mov_reg_reg (code, AMD64_RBP, AMD64_RSP, sizeof(mgreg_t));
mono_add_unwind_op_def_cfa_reg (unwind_ops, code, buf, AMD64_RBP);
+ mono_add_unwind_op_fp_alloc (unwind_ops, code, buf, AMD64_RBP, 0);
amd64_alu_reg_imm (code, X86_SUB, AMD64_RSP, framesize);
gregs_offset = ctx_offset + MONO_STRUCT_OFFSET (MonoContext, gregs);
amd64_mov_reg_membase (code, AMD64_R11, AMD64_RSP, gregs_offset + (AMD64_RIP * sizeof (mgreg_t)), sizeof (mgreg_t));
amd64_mov_membase_reg (code, AMD64_RBP, sizeof (mgreg_t), AMD64_R11, sizeof (mgreg_t));
+#if TARGET_WIN32
+ amd64_lea_membase (code, AMD64_RSP, AMD64_RBP, 0);
+ amd64_pop_reg (code, AMD64_RBP);
+ mono_add_unwind_op_same_value (unwind_ops, code, buf, AMD64_RBP);
+#else
amd64_leave (code);
+#endif
cfa_offset -= sizeof (mgreg_t);
mono_add_unwind_op_def_cfa (unwind_ops, code, buf, AMD64_RSP, cfa_offset);
amd64_ret (code);
mono_arch_flush_icache (code, code - buf);
- mono_profiler_code_buffer_new (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (buf, code - buf, MONO_PROFILER_CODE_BUFFER_HELPER, NULL));
g_assert (code - buf <= tramp_size);
+ g_assert_checked (mono_arch_unwindinfo_validate_size (unwind_ops, MONO_MAX_TRAMPOLINE_UNWINDINFO_SIZE));
const char *tramp_name = single_step ? "sdb_single_step_trampoline" : "sdb_breakpoint_trampoline";
*info = mono_tramp_info_create (tramp_name, buf, code - buf, ji, unwind_ops);
return buf;
}
-#endif /* !DISABLE_JIT */
/*
* 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.
+ * A trampoline that handles the transition from interpreter into native
+ * world. It requiers to set up a descriptor (InterpMethodArguments), so the
+ * trampoline can translate the arguments into the native calling convention.
+ *
+ * See also `build_args_from_sig ()` in interp.c.
*/
gpointer
mono_arch_get_enter_icall_trampoline (MonoTrampInfo **info)
{
#ifdef ENABLE_INTERPRETER
- const int gregs_num = 8;
- const int fregs_num = 3;
+ const int gregs_num = INTERP_ICALL_TRAMP_IARGS;
+ const int fregs_num = INTERP_ICALL_TRAMP_FARGS;
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;
+ int buf_len, i, framesize = 0, off_rbp, off_methodargs, off_targetaddr;
- start = code = (guint8 *) mono_global_codeman_reserve (256);
+ buf_len = 512 + MONO_TRAMPOLINE_UNWINDINFO_SIZE(0);
+ start = code = (guint8 *) mono_global_codeman_reserve (buf_len);
off_rbp = -framesize;
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 */
+ /* save InterpMethodArguments* 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 */
+ /* load pointer to InterpMethodArguments* 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));
+ /* move flen into RAX */
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, flen), sizeof (mgreg_t));
+ /* load pointer to fargs into R11 */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, fargs), sizeof (mgreg_t));
for (i = 0; i < fregs_num; ++i) {
amd64_test_reg_reg (code, AMD64_RAX, AMD64_RAX);
amd64_dec_reg_size (code, AMD64_RAX, 1);
}
- for (i = 0; i < fregs_num; i++) {
+ for (i = 0; i < fregs_num; i++)
x86_patch (label_fexits [i], code);
- }
- /* load pointer to MethodArguments* into R11 */
+ /* load pointer to InterpMethodArguments* 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));
+ /* move ilen into RAX */
+ amd64_mov_reg_membase (code, AMD64_RAX, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, ilen), sizeof (mgreg_t));
int stack_offset = 0;
for (i = 0; i < gregs_num; i++) {
label_gexits [i] = code;
x86_branch32 (code, X86_CC_Z, 0, FALSE);
- /* load pointer to MethodArguments* into R11 */
+ /* load pointer to InterpMethodArguments* 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));
+ /* load pointer to iargs into R11 */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, iargs), sizeof (mgreg_t));
if (i < PARAM_REGS) {
amd64_mov_reg_membase (code, param_regs [i], AMD64_R11, i * sizeof (mgreg_t), sizeof (mgreg_t));
amd64_dec_reg_size (code, AMD64_RAX, 1);
}
- for (i = 0; i < gregs_num; i++) {
+ 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 */
+ /* load InterpMethodArguments */
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));
+ /* load is_float_ret */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, is_float_ret), 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 */
+ /* load InterpMethodArguments */
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));
+ /* load retval */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, retval), sizeof (mgreg_t));
amd64_test_reg_reg (code, AMD64_R11, AMD64_R11);
label_leave_tramp [0] = code;
label_leave_tramp [1] = code;
x86_jump8 (code, 0);
-
-
/* freg return */
x86_patch (label_is_float_ret, code);
- /* load MethodArguments */
+ /* load InterpMethodArguments */
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));
+ /* load retval */
+ amd64_mov_reg_membase (code, AMD64_R11, AMD64_R11, MONO_STRUCT_OFFSET (InterpMethodArguments, retval), sizeof (mgreg_t));
amd64_test_reg_reg (code, AMD64_R11, AMD64_R11);
label_leave_tramp [2] = code;
amd64_pop_reg (code, AMD64_RBP);
amd64_ret (code);
+ g_assert (code - start < buf_len);
+
mono_arch_flush_icache (start, code - start);
- mono_profiler_code_buffer_new (start, code - start, MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING, NULL);
+ MONO_PROFILER_RAISE (jit_code_buffer, (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 NULL;
#endif /* ENABLE_INTERPRETER */
}
+#endif /* !DISABLE_JIT */
#ifdef DISABLE_JIT
gpointer
}
gpointer
-mono_arch_get_static_rgctx_trampoline (MonoMethod *m, MonoMethodRuntimeGenericContext *mrgctx, gpointer addr)
+mono_arch_get_static_rgctx_trampoline (gpointer arg, gpointer addr)
{
g_assert_not_reached ();
return NULL;
projects / mono.git / blobdiff