+++ /dev/null
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * Create trampolines to invoke arbitrary functions.
- *
- * Copyright (C) Ximian Inc.
- *
- * Authors: Paolo Molaro (lupus@ximian.com)
- * Jeffrey Stedfast <fejj@ximian.com>
- * Mark Crichton <crichton@gimp.org>
- *
- */
-
-#include "config.h"
-#include <stdlib.h>
-#include <string.h>
-#include "sparc-codegen.h"
-#include "mono/metadata/class.h"
-#include "mono/metadata/tabledefs.h"
-#include "mono/interpreter/interp.h"
-#include "mono/metadata/appdomain.h"
-#include "mono/metadata/debug-helpers.h"
-#include "mono/metadata/marshal.h"
-
-
-#define ARG_SIZE sizeof (stackval)
-#define PROLOG_INS 1
-#define CALL_INS 3 /* Max 3. 1 for the jmpl and 1 for the nop and 1 for the possible unimp */
-#define EPILOG_INS 2
-#define FLOAT_REGS 32
-#define OUT_REGS 6
-#define LOCAL_REGS 8
-#define SLOT_SIZE sizeof(gpointer)
-#if SPARCV9
-#define MINIMAL_STACK_SIZE 22
-#define BIAS 2047
-#define FRAME_ALIGN 16
-#else
-#define MINIMAL_STACK_SIZE 23
-#define BIAS 0
-#define FRAME_ALIGN 8
-#endif
-
-#define NOT_IMPL(x) g_error("FIXME: %s", x);
-/*#define DEBUG(a) a*/
-#define DEBUG(a)
-
-/* Some assembly... */
-#ifdef __GNUC__
-#define flushi(addr) __asm__ __volatile__ ("flush %0"::"r"(addr):"memory")
-#else
-static void flushi(void *addr)
-{
- asm("flush %i0");
-}
-#endif
-
-static char*
-sig_to_name (MonoMethodSignature *sig, const char *prefix)
-{
- int i;
- char *result;
- GString *res = g_string_new ("");
- char *p;
-
- if (prefix) {
- g_string_append (res, prefix);
- g_string_append_c (res, '_');
- }
-
- mono_type_get_desc (res, sig->ret, TRUE);
-
- for (i = 0; i < sig->param_count; ++i) {
- g_string_append_c (res, '_');
- mono_type_get_desc (res, sig->params [i], TRUE);
- }
- result = res->str;
- p = result;
- /* remove chars Sun's asssembler doesn't like */
- while (*p != '\0') {
- if (*p == '.' || *p == '/')
- *p = '_';
- else if (*p == '&')
- *p = '$';
- else if (*p == '[' || *p == ']')
- *p = 'X';
- p++;
- }
- g_string_free (res, FALSE);
- return result;
-}
-
-static void
-sparc_disassemble_code (guint32 *code_buffer, guint32 *p, const char *id)
-{
- guchar *cp;
- FILE *ofd;
-
- if (!(ofd = fopen ("/tmp/test.s", "w")))
- g_assert_not_reached();
-
- fprintf (ofd, "%s:\n", id);
-
- for (cp = (guchar *)code_buffer; cp < (guchar *)p; cp++)
- fprintf (ofd, ".byte %d\n", *cp);
-
- fclose (ofd);
-
-#ifdef __GNUC__
- system ("as /tmp/test.s -o /tmp/test.o;objdump -d /tmp/test.o");
-#else
- /* this assumes we are using Sun tools as we aren't GCC */
-#if SPARCV9
- system ("as -xarch=v9 /tmp/test.s -o /tmp/test.o;dis /tmp/test.o");
-#else
- system ("as /tmp/test.s -o /tmp/test.o;dis /tmp/test.o");
-#endif
-#endif
-}
-
-
-static void
-add_general (guint *gr, guint *stack_size, guint *code_size, gboolean simple)
-{
- if (simple) {
- if (*gr >= OUT_REGS) {
- *stack_size += SLOT_SIZE;
- *code_size += 12;
- } else {
- *code_size += 4;
- }
- } else {
- if (*gr >= OUT_REGS - 1) {
- *stack_size += 8 + (*stack_size % 8); /* ???64 */
- *code_size += 16;
- } else {
- *code_size += 16;
- }
- (*gr)++;
- }
- (*gr)++;
-}
-
-static void
-calculate_sizes (MonoMethodSignature *sig, guint *stack_size, guint *code_size,
- gboolean string_ctor, gboolean *use_memcpy)
-{
- guint i, fr, gr;
- guint32 simpletype;
-
- fr = gr = 0;
- *stack_size = MINIMAL_STACK_SIZE * SLOT_SIZE;
- *code_size = (PROLOG_INS + CALL_INS + EPILOG_INS) * 4;
-
- /* function arguments */
- if (sig->hasthis)
- add_general (&gr, stack_size, code_size, TRUE);
-
- for (i = 0; i < sig->param_count; i++) {
- if (sig->params[i]->byref) {
- add_general (&gr, stack_size, code_size, TRUE);
- continue;
- }
- simpletype = sig->params[i]->type;
- enum_calc_size:
- switch (simpletype) {
- case MONO_TYPE_R4:
-#if SPARCV9
- (*code_size) += 4; /* for the fdtos */
-#else
- (*code_size) += 12;
- (*stack_size) += 4;
-#endif
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_SZARRAY:
- add_general (&gr, stack_size, code_size, TRUE);
- break;
- case MONO_TYPE_VALUETYPE: {
- gint size;
- guint32 align;
- if (sig->params[i]->data.klass->enumtype) {
- simpletype = sig->params[i]->data.klass->enum_basetype->type;
- goto enum_calc_size;
- }
- size = mono_class_native_size (sig->params[i]->data.klass, &align);
-#if SPARCV9
- if (size != 4) {
-#else
- if (1) {
-#endif
- DEBUG(fprintf(stderr, "copy %d byte struct on stack\n", size));
- *use_memcpy = TRUE;
- *code_size += 8*4;
-
- *stack_size = (*stack_size + (align - 1)) & (~(align -1));
- *stack_size += (size + 3) & (~3);
- if (gr > OUT_REGS) {
- *code_size += 4;
- *stack_size += 4;
- }
- } else {
- add_general (&gr, stack_size, code_size, TRUE);
-#if SPARCV9
- *code_size += 8;
-#else
- *code_size += 4;
-#endif
- }
- break;
- }
- case MONO_TYPE_I8:
- case MONO_TYPE_R8:
- add_general (&gr, stack_size, code_size, FALSE);
- break;
- default:
- g_error ("Can't trampoline 0x%x", sig->params[i]->type);
- }
- }
-
- /* function return value */
- if (sig->ret->byref || string_ctor) {
- *code_size += 8;
- } else {
- simpletype = sig->ret->type;
- enum_retvalue:
- switch (simpletype) {
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_PTR:
- case MONO_TYPE_STRING:
- case MONO_TYPE_R4:
- case MONO_TYPE_R8:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_ARRAY:
- *code_size += 8;
- break;
- case MONO_TYPE_I8:
- *code_size += 12;
- break;
- case MONO_TYPE_VALUETYPE: {
- gint size;
- if (sig->ret->data.klass->enumtype) {
- simpletype = sig->ret->data.klass->enum_basetype->type;
- goto enum_retvalue;
- }
- size = mono_class_native_size (sig->ret->data.klass, NULL);
-#if SPARCV9
- if (size <= 32)
- *code_size += 8 + (size + 7) / 2;
- else
- *code_size += 8;
-#else
- *code_size += 8;
-#endif
- break;
- }
- case MONO_TYPE_VOID:
- break;
- default:
- g_error ("Can't handle as return value 0x%x", sig->ret->type);
- }
- }
-
- if (*use_memcpy) {
- *stack_size += 8;
- *code_size += 24;
- if (sig->hasthis) {
- *stack_size += SLOT_SIZE;
- *code_size += 4;
- }
- }
-
- *stack_size = (*stack_size + (FRAME_ALIGN - 1)) & (~(FRAME_ALIGN -1));
-}
-
-static inline guint32 *
-emit_epilog (guint32 *p, MonoMethodSignature *sig, guint stack_size)
-{
- int ret_offset = 8;
-
- /*
- * Standard epilog.
- * 8 may be 12 when returning structures (to skip unimp opcode).
- */
-#if !SPARCV9
- if (sig != NULL && !sig->ret->byref && sig->ret->type == MONO_TYPE_VALUETYPE && !sig->ret->data.klass->enumtype)
- ret_offset = 12;
-#endif
- sparc_jmpl_imm (p, sparc_i7, ret_offset, sparc_zero);
- sparc_restore (p, sparc_zero, sparc_zero, sparc_zero);
-
- return p;
-}
-
-static inline guint32 *
-emit_prolog (guint32 *p, MonoMethodSignature *sig, guint stack_size)
-{
- /* yes kids, it is this simple! */
- sparc_save_imm (p, sparc_sp, -stack_size, sparc_sp);
- return p;
-}
-
-#if SPARCV9
-#define sparc_st_ptr(a,b,c,d) sparc_stx(a,b,c,d)
-#define sparc_st_imm_ptr(a,b,c,d) sparc_stx_imm(a,b,c,d)
-#define sparc_ld_ptr(a,b,c,d) sparc_ldx(a,b,c,d)
-#define sparc_ld_imm_ptr(a,b,c,d) sparc_ldx_imm(a,b,c,d)
-#else
-#define sparc_st_ptr(a,b,c,d) sparc_st(a,b,c,d)
-#define sparc_st_imm_ptr(a,b,c,d) sparc_st_imm(a,b,c,d)
-#define sparc_ld_ptr(a,b,c,d) sparc_ld(a,b,c,d)
-#define sparc_ld_imm_ptr(a,b,c,d) sparc_ld_imm(a,b,c,d)
-#endif
-
-/* synonyms for when values are really widened scalar values */
-#define sparc_st_imm_word sparc_st_imm_ptr
-
-#define ARG_BASE sparc_i3 /* pointer to args in i3 */
-#define SAVE_PTR_IN_GENERIC_REGISTER \
- if (gr < OUT_REGS) { \
- sparc_ld_imm_ptr (p, ARG_BASE, i*ARG_SIZE, sparc_o0 + gr); \
- gr++; \
- } else { \
- sparc_ld_imm_ptr (p, ARG_BASE, i*ARG_SIZE, sparc_l0); \
- sparc_st_imm_ptr (p, sparc_l0, sparc_sp, stack_par_pos); \
- stack_par_pos += SLOT_SIZE; \
- }
-
-#if SPARCV9
-/* This is a half hearted attempt at coping with structs by value - the
- actual convention is complicated when floats & doubles are involved as
- you end up with fields in different registers on/off the stack.
- It will take more time to get right... */
-static guint32 *
-v9_struct_arg(guint32 *p, int arg_index, MonoClass *klass, int size, guint *p_gr)
-{
- MonoMarshalType *info = mono_marshal_load_type_info (klass);
- int off = 0;
- int index = 0;
- guint gr = *p_gr;
- sparc_ld_imm_ptr (p, ARG_BASE, arg_index*ARG_SIZE, sparc_l0);
- if (size > 8) {
- if (info->fields [index].field->type->type == MONO_TYPE_R8) {
- sparc_lddf_imm (p, sparc_l0, 0, sparc_f0 + 2 * gr);
- index++;
- }
- else {
- sparc_ldx_imm (p, sparc_l0, 0, sparc_o0 + gr);
- index++; /* FIXME could be multiple fields in one register */
- }
- gr++;
- size -= 8;
- off = 8;
- }
- if (size > 0) {
- if (info->fields [index].field->type->type == MONO_TYPE_R8) {
- sparc_lddf_imm (p, sparc_l0, off, sparc_f0 + 2 * gr);
- index++;
- }
- else {
- /* will load extra garbage off end of short structs ... */
- sparc_ldx_imm (p, sparc_l0, off, sparc_o0 + gr);
- }
- gr++;
- }
- *p_gr = gr;
- return p;
-}
-#endif
-
-static inline guint32*
-emit_save_parameters (guint32 *p, MonoMethodSignature *sig, guint stack_size,
- gboolean use_memcpy)
-{
- guint i, fr, gr, stack_par_pos, struct_pos, cur_struct_pos;
- guint32 simpletype;
-
- fr = gr = 0;
- stack_par_pos = MINIMAL_STACK_SIZE * SLOT_SIZE + BIAS;
-
- if (sig->hasthis) {
- if (use_memcpy) {
- /* we don't need to save a thing. */
- } else
- sparc_mov_reg_reg (p, sparc_i2, sparc_o0);
- gr ++;
- }
-
- if (use_memcpy) {
- cur_struct_pos = struct_pos = stack_par_pos;
- for (i = 0; i < sig->param_count; i++) {
- if (sig->params[i]->byref)
- continue;
- if (sig->params[i]->type == MONO_TYPE_VALUETYPE &&
- !sig->params[i]->data.klass->enumtype) {
- gint size;
- guint32 align;
-
- size = mono_class_native_size (sig->params[i]->data.klass, &align);
-#if SPARCV9
- if (size != 4) {
-#else
- if (1) {
-#endif
- /* Add alignment */
- stack_par_pos = (stack_par_pos + (align - 1)) & (~(align - 1));
- /* need to call memcpy here */
- sparc_add_imm (p, 0, sparc_sp, stack_par_pos, sparc_o0);
- sparc_ld_imm_ptr (p, sparc_i3, i*16, sparc_o1);
- sparc_set (p, (guint32)size, sparc_o2);
- sparc_set_ptr (p, (void *)memmove, sparc_l0);
- sparc_jmpl_imm (p, sparc_l0, 0, sparc_callsite);
- sparc_nop (p);
- stack_par_pos += (size + (SLOT_SIZE - 1)) & (~(SLOT_SIZE - 1));
- }
- }
- }
- }
-
- if (sig->ret->type == MONO_TYPE_VALUETYPE && !sig->ret->byref) {
- MonoClass *klass = sig->ret->data.klass;
- if (!klass->enumtype) {
- gint size = mono_class_native_size (klass, NULL);
-
- DEBUG(fprintf(stderr, "retval value type size: %d\n", size));
-#if SPARCV9
- if (size > 32) {
-#else
- {
-#endif
- /* pass on buffer in interp.c to called function */
- sparc_ld_imm_ptr (p, sparc_i1, 0, sparc_l0);
- sparc_st_imm_ptr (p, sparc_l0, sparc_sp, 64);
- }
- }
- }
-
- DEBUG(fprintf(stderr, "%s\n", sig_to_name(sig, FALSE)));
-
- for (i = 0; i < sig->param_count; i++) {
- if (sig->params[i]->byref) {
- SAVE_PTR_IN_GENERIC_REGISTER;
- continue;
- }
- simpletype = sig->params[i]->type;
- enum_calc_size:
- switch (simpletype) {
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- if (gr < OUT_REGS) {
- sparc_ld_imm (p, ARG_BASE, i*ARG_SIZE, sparc_o0 + gr);
- gr++;
- } else {
- sparc_ld_imm (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_st_imm_word (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
-
- case MONO_TYPE_R4:
-#if SPARCV9
- sparc_lddf_imm (p, ARG_BASE, i*ARG_SIZE, sparc_f30); /* fix using this fixed reg */
- sparc_fdtos(p, sparc_f30, sparc_f0 + 2 * gr + 1);
- gr++;
- break;
-#else
- /* Convert from double to single */
- sparc_lddf_imm (p, ARG_BASE, i*ARG_SIZE, sparc_f0);
- sparc_fdtos (p, sparc_f0, sparc_f0);
-
- /*
- * FIXME: Is there an easier way to do an
- * freg->ireg move ?
- */
- sparc_stf_imm (p, sparc_f0, sparc_sp, stack_par_pos);
-
- if (gr < OUT_REGS) {
- sparc_ld_imm (p, sparc_sp, stack_par_pos, sparc_o0 + gr);
- gr++;
- } else {
- sparc_ldf_imm (p, sparc_sp, stack_par_pos, sparc_f0);
- sparc_stf_imm (p, sparc_f0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
-#endif
-
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_PTR:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_SZARRAY:
- SAVE_PTR_IN_GENERIC_REGISTER;
- break;
- case MONO_TYPE_VALUETYPE: {
- gint size;
- guint32 align;
- MonoClass *klass = sig->params[i]->data.klass;
- if (klass->enumtype) {
- simpletype = klass->enum_basetype->type;
- goto enum_calc_size;
- }
- size = mono_class_native_size (klass, &align);
-#if SPARCV9
- if (size <= 16) {
- if (gr < OUT_REGS) {
- p = v9_struct_arg(p, i, klass, size, &gr);
- } else {
- sparc_ld_imm_ptr (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_ld_imm (p, sparc_l0, 0, sparc_l0);
- sparc_st_imm_word (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
- }
-#else
- /*
- * FIXME: The 32bit ABI docs do not mention that small
- * structures are passed in registers.
- */
-
- /*
- if (size == 4) {
- if (gr < OUT_REGS) {
- sparc_ld_imm_ptr (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_ld_imm (p, sparc_l0, 0, sparc_o0 + gr);
- gr++;
- } else {
- sparc_ld_imm_ptr (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_ld_imm (p, sparc_l0, 0, sparc_l0);
- sparc_st_imm_word (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
- }
- */
-#endif
-
- cur_struct_pos = (cur_struct_pos + (align - 1)) & (~(align - 1));
- if (gr < OUT_REGS) {
- sparc_add_imm (p, 0, sparc_sp,
- cur_struct_pos, sparc_o0 + gr);
- gr ++;
- } else {
- sparc_ld_imm_ptr (p, sparc_sp,
- cur_struct_pos,
- sparc_l1);
- sparc_st_imm_ptr (p, sparc_l1,
- sparc_sp,
- stack_par_pos);
- }
- cur_struct_pos += (size + (SLOT_SIZE - 1)) & (~(SLOT_SIZE - 1));
- break;
- }
-
-#if SPARCV9
- case MONO_TYPE_I8:
- if (gr < OUT_REGS) {
- sparc_ldx_imm (p, ARG_BASE, i*ARG_SIZE, sparc_o0 + gr);
- gr++;
- } else {
- sparc_ldx_imm (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_stx_imm (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
- case MONO_TYPE_R8:
- sparc_lddf_imm (p, ARG_BASE, i*ARG_SIZE, sparc_f0 + 2 * i);
- break;
-#else
- case MONO_TYPE_I8:
- case MONO_TYPE_R8:
- if (gr < (OUT_REGS - 1)) {
- sparc_ld_imm (p, ARG_BASE, i*ARG_SIZE, sparc_o0 + gr);
- gr ++;
-
- sparc_ld_imm (p, ARG_BASE,
- (i*ARG_SIZE) + 4,
- sparc_o0 + gr);
- gr ++;
- } else if (gr == (OUT_REGS - 1)) {
- /* Split register/stack */
- sparc_ld_imm (p, ARG_BASE, i*ARG_SIZE, sparc_o0 + gr);
- gr ++;
-
- sparc_ld_imm (p, ARG_BASE, (i*ARG_SIZE) + 4, sparc_l0);
- sparc_st_imm (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- } else {
- sparc_ld_imm (p, ARG_BASE, i*ARG_SIZE, sparc_l0);
- sparc_st_imm (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
-
- sparc_ld_imm (p, ARG_BASE, (i*ARG_SIZE) + 4, sparc_l0);
- sparc_st_imm (p, sparc_l0, sparc_sp, stack_par_pos);
- stack_par_pos += SLOT_SIZE;
- }
- break;
-#endif
- default:
- g_error ("Can't trampoline 0x%x", sig->params[i]->type);
- }
- }
-
- g_assert ((stack_par_pos - BIAS) <= stack_size);
-
- return p;
-}
-
-static inline guint32 *
-alloc_code_memory (guint code_size)
-{
- guint32 *p;
-
- p = g_malloc(code_size);
-
- return p;
-}
-
-static inline guint32 *
-emit_call_and_store_retval (guint32 *p, MonoMethodSignature *sig,
- guint stack_size, gboolean string_ctor)
-{
- guint32 simpletype;
-
- /* call "callme" */
- sparc_jmpl_imm (p, sparc_i0, 0, sparc_callsite);
- sparc_nop (p);
-#if !SPARCV9
- if (sig->ret->type == MONO_TYPE_VALUETYPE && !sig->ret->data.klass->enumtype) {
- int size = mono_class_native_size (sig->ret->data.klass, NULL);
- sparc_unimp (p, size & 4095);
- }
-#endif
-
- /* get return value */
- if (sig->ret->byref || string_ctor) {
- sparc_st_ptr (p, sparc_o0, sparc_i1, 0);
- } else {
- simpletype = sig->ret->type;
- enum_retval:
- switch (simpletype) {
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- sparc_stb (p, sparc_o0, sparc_i1, 0);
- break;
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- sparc_sth (p, sparc_o0, sparc_i1, 0);
- break;
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- sparc_st (p, sparc_o0, sparc_i1, 0);
- break;
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_ARRAY:
- case MONO_TYPE_STRING:
- case MONO_TYPE_PTR:
- sparc_st_ptr (p, sparc_o0, sparc_i1, 0);
- break;
- case MONO_TYPE_R4:
- sparc_stf (p, sparc_f0, sparc_i1, 0);
- break;
- case MONO_TYPE_R8:
- sparc_stdf (p, sparc_f0, sparc_i1, 0);
- break;
- case MONO_TYPE_I8:
-#if SPARCV9
- sparc_stx (p, sparc_o0, sparc_i1, 0);
-#else
- sparc_std (p, sparc_o0, sparc_i1, 0);
-#endif
- break;
- case MONO_TYPE_VALUETYPE: {
- gint size;
- if (sig->ret->data.klass->enumtype) {
- simpletype = sig->ret->data.klass->enum_basetype->type;
- goto enum_retval;
- }
-#if SPARCV9
- size = mono_class_native_size (sig->ret->data.klass, NULL);
- if (size <= 32) {
- int n_regs = size / 8;
- int j;
- sparc_ldx_imm (p, sparc_i1, 0, sparc_i1);
- /* wrong if there are floating values in the struct... */
- for (j = 0; j < n_regs; j++) {
- sparc_stx_imm (p, sparc_o0 + j, sparc_i1, j * 8);
- }
- size -= n_regs * 8;
- if (size > 0) {
- int last_reg = sparc_o0 + n_regs;
- /* get value right aligned in register */
- sparc_srlx_imm(p, last_reg, 64 - 8 * size, last_reg);
- if ((size & 1) != 0) {
- sparc_stb_imm (p, last_reg, sparc_i1, n_regs * 8 + size - 1);
- size--;
- if (size > 0)
- sparc_srlx_imm(p, last_reg, 8, last_reg);
- }
- if ((size & 2) != 0) {
- sparc_sth_imm (p, last_reg, sparc_i1, n_regs * 8 + size - 2);
- size -= 2;
- if (size > 0)
- sparc_srlx_imm(p, last_reg, 16, last_reg);
- }
- if ((size & 4) != 0)
- sparc_st_imm (p, last_reg, sparc_i1, n_regs * 8);
- }
- }
-#endif
- }
- case MONO_TYPE_VOID:
- break;
- default:
- g_error ("Can't handle as return value 0x%x", sig->ret->type);
- }
- }
- return p;
-}
-
-MonoPIFunc
-mono_arch_create_trampoline (MonoMethodSignature *sig, gboolean string_ctor)
-{
- guint32 *p, *code_buffer;
- guint stack_size, code_size, i;
- gboolean use_memcpy = FALSE;
- static GHashTable *cache = NULL;
- MonoPIFunc res;
-
- if (!cache)
- cache = g_hash_table_new ((GHashFunc)mono_signature_hash,
- (GCompareFunc)mono_metadata_signature_equal);
-
- if ((res = (MonoPIFunc)g_hash_table_lookup(cache, sig)))
- return res;
-
- calculate_sizes (sig, &stack_size, &code_size,
- string_ctor, &use_memcpy);
-
- p = code_buffer = alloc_code_memory (code_size);
- p = emit_prolog (p, sig, stack_size);
- p = emit_save_parameters (p, sig, stack_size, use_memcpy);
- p = emit_call_and_store_retval (p, sig, stack_size, string_ctor);
- /* we don't return structs here so pass in NULL as signature */
- p = emit_epilog (p, NULL, stack_size);
-
- g_assert(p <= code_buffer + (code_size / 4));
-
- DEBUG(sparc_disassemble_code (code_buffer, p, sig_to_name(sig, NULL)));
-
- /* So here's the deal...
- * UltraSPARC will flush a whole cache line at a time
- * BUT, older SPARCs won't.
- * So, be compatable and flush dwords at a time...
- */
-
- for (i = 0; i < ((p - code_buffer)/2); i++)
- flushi((code_buffer + (i*8)));
-
- g_hash_table_insert(cache, sig, code_buffer);
-
- return (MonoPIFunc)code_buffer;
-}
-
-#define MINV_POS (MINIMAL_STACK_SIZE * SLOT_SIZE + BIAS)
-
-void *
-mono_arch_create_method_pointer (MonoMethod *method)
-{
- MonoMethodSignature *sig;
- MonoJitInfo *ji;
- guint stack_size, code_size, stackval_arg_pos, local_pos;
- guint i, local_start, reg_param = 0, stack_param, cpos, vt_cur;
- guint32 align = 0;
- guint32 *p, *code_buffer;
- gint *vtbuf;
- gint32 simpletype;
-
- code_size = 1024; /* these should be calculated... */
- stack_size = 1024;
- stack_param = 0;
-
- sig = method->signature;
-
- p = code_buffer = g_malloc (code_size);
-
- DEBUG(fprintf(stderr, "Delegate [start emiting] %s\n", method->name));
- DEBUG(fprintf(stderr, "%s\n", sig_to_name(sig, FALSE)));
-
- p = emit_prolog (p, sig, stack_size);
-
- /* fill MonoInvocation */
- sparc_st_imm_ptr (p, sparc_g0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, ex)));
- sparc_st_imm_ptr (p, sparc_g0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, ex_handler)));
- sparc_st_imm_ptr (p, sparc_g0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, parent)));
-
- sparc_set_ptr (p, (void *)method, sparc_l0);
- sparc_st_imm_ptr (p, sparc_l0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, method)));
-
- stackval_arg_pos = MINV_POS + sizeof (MonoInvocation);
- local_start = local_pos = stackval_arg_pos + (sig->param_count + 1) * sizeof (stackval);
-
- if (sig->hasthis) {
- sparc_st_imm_ptr (p, sparc_i0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, obj)));
- reg_param = 1;
- }
-
- if (sig->param_count) {
- gint save_count = MIN (OUT_REGS, sig->param_count + sig->hasthis);
- for (i = reg_param; i < save_count; i++) {
- sparc_st_imm_ptr (p, sparc_i0 + i, sparc_sp, local_pos);
- local_pos += SLOT_SIZE;
- }
- }
-
- /* prepare space for valuetypes */
- vt_cur = local_pos;
- vtbuf = alloca (sizeof(int)*sig->param_count);
- cpos = 0;
- for (i = 0; i < sig->param_count; i++) {
- MonoType *type = sig->params [i];
- vtbuf [i] = -1;
- if (!sig->params[i]->byref && type->type == MONO_TYPE_VALUETYPE) {
- MonoClass *klass = type->data.klass;
- gint size;
-
- if (klass->enumtype)
- continue;
- size = mono_class_native_size (klass, &align);
- cpos += align - 1;
- cpos &= ~(align - 1);
- vtbuf [i] = cpos;
- cpos += size;
- }
- }
- cpos += SLOT_SIZE - 1;
- cpos &= ~(SLOT_SIZE - 1);
-
- local_pos += cpos;
-
- /* set MonoInvocation::stack_args */
- sparc_add_imm (p, 0, sparc_sp, stackval_arg_pos, sparc_l0);
- sparc_st_imm_ptr (p, sparc_l0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, stack_args)));
-
- /* add stackval arguments */
- for (i=0; i < sig->param_count; i++) {
- int stack_offset;
- int type;
- if (reg_param < OUT_REGS) {
- stack_offset = local_start + i * SLOT_SIZE;
- reg_param++;
- } else {
- stack_offset = stack_size + 8 + stack_param;
- stack_param++;
- }
-
- if (!sig->params[i]->byref) {
- type = sig->params[i]->type;
- enum_arg:
- switch (type) {
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_STRING:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_CLASS:
- case MONO_TYPE_SZARRAY:
- case MONO_TYPE_PTR:
- case MONO_TYPE_R8:
- break;
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- stack_offset += SLOT_SIZE - 4;
- break;
- case MONO_TYPE_CHAR:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- stack_offset += SLOT_SIZE - 2;
- break;
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_BOOLEAN:
- stack_offset += SLOT_SIZE - 1;
- break;
- case MONO_TYPE_VALUETYPE:
- if (sig->params[i]->data.klass->enumtype) {
- type = sig->params[i]->data.klass->enum_basetype->type;
- goto enum_arg;
- }
- g_assert(vtbuf[i] >= 0);
- break;
- default:
- g_error ("can not cope with delegate arg type %d", type);
- }
- }
-
- sparc_add_imm (p, 0, sparc_sp, stack_offset, sparc_o2);
-
- if (vtbuf[i] >= 0) {
- sparc_add_imm (p, 0, sparc_sp, vt_cur, sparc_o1);
- sparc_st_imm_ptr (p, sparc_o1, sparc_sp, stackval_arg_pos);
- sparc_add_imm (p, 0, sparc_sp, stackval_arg_pos,
- sparc_o1);
- sparc_ld_imm_ptr (p, sparc_o2, 0, sparc_o2);
- vt_cur += vtbuf[i];
- } else {
- sparc_add_imm (p, 0, sparc_sp, stackval_arg_pos,
- sparc_o1);
- }
-
- sparc_set_ptr (p, (void *)sig->params[i], sparc_o0);
- sparc_set (p, (guint32)sig->pinvoke, sparc_o3);
-
- /* YOU make the CALL! */
- sparc_set_ptr (p, (void *)stackval_from_data, sparc_l0);
- sparc_jmpl_imm (p, sparc_l0, 0, sparc_callsite);
- sparc_nop (p);
- stackval_arg_pos += sizeof(stackval);
- }
-
- /* return value storage */
- /* Align to dword */
- stackval_arg_pos = (stackval_arg_pos + (8 - 1)) & (~(8 -1));
- if (sig->param_count) {
- sparc_add_imm (p, 0, sparc_sp, stackval_arg_pos, sparc_l0);
- }
- if (!sig->ret->byref && sig->ret->type == MONO_TYPE_VALUETYPE && !sig->ret->data.klass->enumtype) {
-#if !SPARCV9
- /* pass on callers buffer */
- sparc_ld_imm_ptr (p, sparc_fp, 64, sparc_l1);
- sparc_st_imm_ptr (p, sparc_l1, sparc_l0, 0);
-#else
- sparc_add_imm (p, 0, sparc_l0, sizeof(stackval), sparc_l1);
- sparc_st_imm_ptr (p, sparc_l1, sparc_l0, 0);
-#endif
- }
-
- sparc_st_imm_ptr (p, sparc_l0, sparc_sp,
- (MINV_POS + G_STRUCT_OFFSET (MonoInvocation, retval)));
-
- /* call ves_exec_method */
- sparc_add_imm (p, 0, sparc_sp, MINV_POS, sparc_o0);
- sparc_set_ptr (p, (void *)ves_exec_method, sparc_l0);
- sparc_jmpl_imm (p, sparc_l0, 0, sparc_callsite);
- sparc_nop (p);
-
- /* move retval from stackval to proper place (r3/r4/...) */
- if (sig->ret->byref) {
- sparc_ld_imm_ptr (p, sparc_sp, stackval_arg_pos, sparc_i0 );
- } else {
- enum_retvalue:
- switch (sig->ret->type) {
- case MONO_TYPE_VOID:
- break;
- case MONO_TYPE_BOOLEAN:
- case MONO_TYPE_I1:
- case MONO_TYPE_U1:
- case MONO_TYPE_I2:
- case MONO_TYPE_U2:
- case MONO_TYPE_I4:
- case MONO_TYPE_U4:
- sparc_ld_imm (p, sparc_sp, stackval_arg_pos, sparc_i0);
- break;
- case MONO_TYPE_I:
- case MONO_TYPE_U:
- case MONO_TYPE_OBJECT:
- case MONO_TYPE_STRING:
- case MONO_TYPE_CLASS:
- sparc_ld_imm_ptr (p, sparc_sp, stackval_arg_pos, sparc_i0);
- break;
- case MONO_TYPE_I8:
- case MONO_TYPE_U8:
-#if SPARCV9
- sparc_ldx_imm (p, sparc_sp, stackval_arg_pos, sparc_i0);
-#else
- sparc_ld_imm (p, sparc_sp, stackval_arg_pos, sparc_i0);
- sparc_ld_imm (p, sparc_sp, stackval_arg_pos + 4, sparc_i1);
-#endif
- break;
- case MONO_TYPE_R4:
- sparc_lddf_imm (p, sparc_sp, stackval_arg_pos, sparc_f0);
- sparc_fdtos(p, sparc_f0, sparc_f0);
- break;
- case MONO_TYPE_R8:
- sparc_lddf_imm (p, sparc_sp, stackval_arg_pos, sparc_f0);
- break;
- case MONO_TYPE_VALUETYPE: {
- gint size;
- gint reg = sparc_i0;
- if (sig->ret->data.klass->enumtype) {
- simpletype = sig->ret->data.klass->enum_basetype->type;
- goto enum_retvalue;
- }
-#if SPARCV9
- size = mono_class_native_size (sig->ret->data.klass, NULL);
- sparc_ldx_imm (p, sparc_sp, stackval_arg_pos, sparc_l0);
- if (size <= 16) {
- gint off = 0;
- if (size >= 8) {
- sparc_ldx_imm (p, sparc_l0, 0, reg);
- size -= 8;
- off += 8;
- reg++;
- }
- if (size > 0)
- sparc_ldx_imm (p, sparc_l0, off, reg);
- } else
- NOT_IMPL("value type as ret val from delegate");
-#endif
- break;
- }
- default:
- g_error ("Type 0x%x not handled yet in thunk creation",
- sig->ret->type);
- break;
- }
- }
-
- p = emit_epilog (p, sig, stack_size);
-
- for (i = 0; i < ((p - code_buffer)/2); i++)
- flushi((code_buffer + (i*8)));
-
- ji = g_new0 (MonoJitInfo, 1);
- ji->method = method;
- ji->code_size = p - code_buffer;
- ji->code_start = code_buffer;
-
- mono_jit_info_table_add (mono_get_root_domain (), ji);
-
- DEBUG(sparc_disassemble_code (code_buffer, p, method->name));
-
- DEBUG(fprintf(stderr, "Delegate [end emiting] %s\n", method->name));
-
- return ji->code_start;
-}
projects / mono.git / commitdiff