2009-12-10 Zoltan Varga <vargaz@gmail.com>
++ * unwind.h: Rename this to mini-unwind.h to avoid conflicts with the gcc
++ unwind.h header file.
++
* tramp-x86.c (mono_arch_patch_callsite): Patch the code when using valgrind,
newer valgrind versions seems to handle this fine.
tasklets.c \
tasklets.h \
simd-intrinsics.c \
-- unwind.h \
++ mini-unwind.h \
unwind.c \
image-writer.h \
image-writer.c \
--- /dev/null
--- /dev/null
++/*
++ * unwind.h: Stack Unwinding Interface
++ *
++ * Authors:
++ * Zoltan Varga (vargaz@gmail.com)
++ *
++ * (C) 2007 Novell, Inc.
++ */
++
++#ifndef __MONO_UNWIND_H__
++#define __MONO_UNWIND_H__
++
++#include "mini.h"
++
++/*
++ * This is a platform-independent interface for unwinding through stack frames
++ * based on the Dwarf unwinding interface.
++ * See http://dwarfstd.org/Dwarf3.pdf, section "Call Frame Information".
++ * Currently, this is only used for emitting unwind info in AOT files.
++ */
++
++/* CFA = Canonical Frame Address */
++
++/* Unwind ops */
++
++/* The low 6 bits contain additional information */
++#define DW_CFA_advance_loc 0x40
++#define DW_CFA_offset 0x80
++#define DW_CFA_restore 0xc0
++
++#define DW_CFA_nop 0x00
++#define DW_CFA_set_loc 0x01
++#define DW_CFA_advance_loc1 0x02
++#define DW_CFA_advance_loc2 0x03
++#define DW_CFA_advance_loc4 0x04
++#define DW_CFA_offset_extended 0x05
++#define DW_CFA_restore_extended 0x06
++#define DW_CFA_undefined 0x07
++#define DW_CFA_same_value 0x08
++#define DW_CFA_register 0x09
++#define DW_CFA_remember_state 0x0a
++#define DW_CFA_restore_state 0x0b
++#define DW_CFA_def_cfa 0x0c
++#define DW_CFA_def_cfa_register 0x0d
++#define DW_CFA_def_cfa_offset 0x0e
++#define DW_CFA_def_cfa_expression 0x0f
++#define DW_CFA_expression 0x10
++#define DW_CFA_offset_extended_sf 0x11
++#define DW_CFA_def_cfa_sf 0x12
++#define DW_CFA_def_cfa_offset_sf 0x13
++#define DW_CFA_val_offset 0x14
++#define DW_CFA_val_offset_sf 0x15
++#define DW_CFA_val_expression 0x16
++#define DW_CFA_lo_user 0x1c
++#define DW_CFA_hi_user 0x3f
++
++/* Represents one unwind instruction */
++typedef struct {
++ guint8 op; /* One of DW_CFA_... */
++ guint16 reg; /* register number in the hardware encoding */
++ gint32 val; /* arbitrary value */
++ guint32 when; /* The offset _after_ the cpu instruction this unwind op belongs to */
++} MonoUnwindOp;
++
++/*
++ * Macros for emitting MonoUnwindOp structures.
++ * These should be called _after_ emitting the cpu instruction the unwind op
++ * belongs to.
++ */
++
++/* Set cfa to reg+offset */
++#define mono_emit_unwind_op_def_cfa(cfg,ip,reg,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa, (reg), (offset))
++/* Set cfa to reg+existing offset */
++#define mono_emit_unwind_op_def_cfa_reg(cfg,ip,reg) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa_register, (reg), (0))
++/* Set cfa to existing reg+offset */
++#define mono_emit_unwind_op_def_cfa_offset(cfg,ip,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa_offset, (0), (offset))
++/* Reg is the same as it was on enter to the function */
++#define mono_emit_unwind_op_same_value(cfg,ip,reg) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_same_value, (reg), 0)
++/* Reg is saved at cfa+offset */
++#define mono_emit_unwind_op_offset(cfg,ip,reg,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_offset, (reg), (offset))
++
++/* Similar macros usable when a cfg is not available, like for trampolines */
++#define mono_add_unwind_op_def_cfa(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa, (reg), (offset))); } while (0)
++#define mono_add_unwind_op_def_cfa_reg(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_register, (reg), (0))); } while (0)
++#define mono_add_unwind_op_def_cfa_offset(op_list,code,buf,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_offset, 0, (offset))); } while (0)
++#define mono_add_unwind_op_same_value(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_same_value, (reg), 0)); } while (0)
++#define mono_add_unwind_op_offset(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_offset, (reg), (offset))); } while (0)
++
++int
++mono_hw_reg_to_dwarf_reg (int reg) MONO_INTERNAL;
++
++int
++mono_unwind_get_dwarf_data_align (void) MONO_INTERNAL;
++
++int
++mono_unwind_get_dwarf_pc_reg (void) MONO_INTERNAL;
++
++guint8*
++mono_unwind_ops_encode (GSList *unwind_ops, guint32 *out_len) MONO_INTERNAL;
++
++void
++mono_unwind_frame (guint8 *unwind_info, guint32 unwind_info_len,
++ guint8 *start_ip, guint8 *end_ip, guint8 *ip, mgreg_t *regs,
++ int nregs, guint8 **out_cfa) MONO_INTERNAL;
++
++void mono_unwind_init (void) MONO_INTERNAL;
++
++void mono_unwind_cleanup (void) MONO_INTERNAL;
++
++guint32 mono_cache_unwind_info (guint8 *unwind_info, guint32 unwind_info_len) MONO_INTERNAL;
++
++guint8* mono_get_cached_unwind_info (guint32 index, guint32 *unwind_info_len) MONO_INTERNAL;
++
++guint8* mono_unwind_get_ops_from_fde (guint8 *fde, guint32 *out_len, guint32 *code_len) MONO_INTERNAL;
++
++#endif
#include "mini-arch.h"
#include "regalloc.h"
#include "declsec.h"
--#include "unwind.h"
++#include "mini-unwind.h"
#ifndef G_LIKELY
#define G_LIKELY(a) (a)
+++ /dev/null
--/*
-- * unwind.h: Stack Unwinding Interface
-- *
-- * Authors:
-- * Zoltan Varga (vargaz@gmail.com)
-- *
-- * (C) 2007 Novell, Inc.
-- */
--
--#ifndef __MONO_UNWIND_H__
--#define __MONO_UNWIND_H__
--
--#include "mini.h"
--
--/*
-- * This is a platform-independent interface for unwinding through stack frames
-- * based on the Dwarf unwinding interface.
-- * See http://dwarfstd.org/Dwarf3.pdf, section "Call Frame Information".
-- * Currently, this is only used for emitting unwind info in AOT files.
-- */
--
--/* CFA = Canonical Frame Address */
--
--/* Unwind ops */
--
--/* The low 6 bits contain additional information */
--#define DW_CFA_advance_loc 0x40
--#define DW_CFA_offset 0x80
--#define DW_CFA_restore 0xc0
--
--#define DW_CFA_nop 0x00
--#define DW_CFA_set_loc 0x01
--#define DW_CFA_advance_loc1 0x02
--#define DW_CFA_advance_loc2 0x03
--#define DW_CFA_advance_loc4 0x04
--#define DW_CFA_offset_extended 0x05
--#define DW_CFA_restore_extended 0x06
--#define DW_CFA_undefined 0x07
--#define DW_CFA_same_value 0x08
--#define DW_CFA_register 0x09
--#define DW_CFA_remember_state 0x0a
--#define DW_CFA_restore_state 0x0b
--#define DW_CFA_def_cfa 0x0c
--#define DW_CFA_def_cfa_register 0x0d
--#define DW_CFA_def_cfa_offset 0x0e
--#define DW_CFA_def_cfa_expression 0x0f
--#define DW_CFA_expression 0x10
--#define DW_CFA_offset_extended_sf 0x11
--#define DW_CFA_def_cfa_sf 0x12
--#define DW_CFA_def_cfa_offset_sf 0x13
--#define DW_CFA_val_offset 0x14
--#define DW_CFA_val_offset_sf 0x15
--#define DW_CFA_val_expression 0x16
--#define DW_CFA_lo_user 0x1c
--#define DW_CFA_hi_user 0x3f
--
--/* Represents one unwind instruction */
--typedef struct {
-- guint8 op; /* One of DW_CFA_... */
-- guint16 reg; /* register number in the hardware encoding */
-- gint32 val; /* arbitrary value */
-- guint32 when; /* The offset _after_ the cpu instruction this unwind op belongs to */
--} MonoUnwindOp;
--
--/*
-- * Macros for emitting MonoUnwindOp structures.
-- * These should be called _after_ emitting the cpu instruction the unwind op
-- * belongs to.
-- */
--
--/* Set cfa to reg+offset */
--#define mono_emit_unwind_op_def_cfa(cfg,ip,reg,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa, (reg), (offset))
--/* Set cfa to reg+existing offset */
--#define mono_emit_unwind_op_def_cfa_reg(cfg,ip,reg) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa_register, (reg), (0))
--/* Set cfa to existing reg+offset */
--#define mono_emit_unwind_op_def_cfa_offset(cfg,ip,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_def_cfa_offset, (0), (offset))
--/* Reg is the same as it was on enter to the function */
--#define mono_emit_unwind_op_same_value(cfg,ip,reg) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_same_value, (reg), 0)
--/* Reg is saved at cfa+offset */
--#define mono_emit_unwind_op_offset(cfg,ip,reg,offset) mono_emit_unwind_op (cfg, (ip) - (cfg)->native_code, DW_CFA_offset, (reg), (offset))
--
--/* Similar macros usable when a cfg is not available, like for trampolines */
--#define mono_add_unwind_op_def_cfa(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa, (reg), (offset))); } while (0)
--#define mono_add_unwind_op_def_cfa_reg(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_register, (reg), (0))); } while (0)
--#define mono_add_unwind_op_def_cfa_offset(op_list,code,buf,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_def_cfa_offset, 0, (offset))); } while (0)
--#define mono_add_unwind_op_same_value(op_list,code,buf,reg) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_same_value, (reg), 0)); } while (0)
--#define mono_add_unwind_op_offset(op_list,code,buf,reg,offset) do { (op_list) = g_slist_append ((op_list), mono_create_unwind_op ((code) - (buf), DW_CFA_offset, (reg), (offset))); } while (0)
--
--int
--mono_hw_reg_to_dwarf_reg (int reg) MONO_INTERNAL;
--
--int
--mono_unwind_get_dwarf_data_align (void) MONO_INTERNAL;
--
--int
--mono_unwind_get_dwarf_pc_reg (void) MONO_INTERNAL;
--
--guint8*
--mono_unwind_ops_encode (GSList *unwind_ops, guint32 *out_len) MONO_INTERNAL;
--
--void
--mono_unwind_frame (guint8 *unwind_info, guint32 unwind_info_len,
-- guint8 *start_ip, guint8 *end_ip, guint8 *ip, mgreg_t *regs,
-- int nregs, guint8 **out_cfa) MONO_INTERNAL;
--
--void mono_unwind_init (void) MONO_INTERNAL;
--
--void mono_unwind_cleanup (void) MONO_INTERNAL;
--
--guint32 mono_cache_unwind_info (guint8 *unwind_info, guint32 unwind_info_len) MONO_INTERNAL;
--
--guint8* mono_get_cached_unwind_info (guint32 index, guint32 *unwind_info_len) MONO_INTERNAL;
--
--guint8* mono_unwind_get_ops_from_fde (guint8 *fde, guint32 *out_len, guint32 *code_len) MONO_INTERNAL;
--
--#endif
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