osprey/be/cg/MIPS/cgdwarf_targ.cxx File Reference

#include <stdio.h>
#include <stdlib.h>
#include "libelf/libelf.h"
#include <sys/unwindP.h>
#include <list>
#include "elf_stuff.h"
#include <elfaccess.h>
#include "dwarf.h"
#include "defs.h"
#include "erglob.h"
#include "glob.h"
#include "flags.h"
#include "tracing.h"
#include "em_elf.h"
#include "em_dwarf.h"
#include "config.h"
#include "config_asm.h"
#include "cgir.h"
#include "register.h"
#include "cgtarget.h"
#include "calls.h"
#include "stblock.h"
#include "data_layout.h"
#include "cg_spill.h"
#include "cgdwarf.h"
#include "cgdwarf_targ.h"
#include "dwarf_incl.h"
#include "pro_opaque.h"
#include "pro_frame.h"
#include "be_util.h"

Include dependency graph for cgdwarf_targ.cxx:

Go to the source code of this file.

Defines

#define FD_S0   0

#define FD_S1   1

#define FD_S2   2

#define FD_S3   3

#define FD_S4   4

#define FD_S5   5

#define FD_S6   6

#define FD_S7   7

#define FD_GP   9

#define FD_JA   11

#define FD_F20   12

#define FD_F21   13

#define FD_F22   14

#define FD_F23   15

#define FD_F24   16

#define FD_F25   17

#define FD_F26   18

#define FD_F27   19

#define FD_F28   20

#define FD_F29   21

#define FD_F30   22

#define FD_F31   23

#define FD_R0   0

#define FD_RA   FD_R0

#define FD_R1   1

#define FD_R2   2

#define FD_SL   FD_R2

#define FD_R3   3

#define FD_R4   4

#define FD_R5   5

#define FD_R6   6

#define FD_R7   7

#define FD_R8   8

#define FD_R9   9

#define FD_R10   10

#define FD_R11   11

#define FD_R12   12

#define FD_R13   13

#define FD_R14   14

#define FD_R15   15

#define FD_R16   16

#define FD_R17   17

#define FD_R18   18

#define FD_R19   19

#define FD_R20   20

#define FD_R21   21

#define FD_R22   22

#define FD_R23   23

#define FD_R24   24

#define FD_R25   25

#define FD_R26   26

#define FD_R27   27

#define FD_CFA   28

#define FD_R29   29

#define FD_R30   30

#define FD_S8   FD_R30

#define FD_R31   31

#define FD_FIRST   FD_R0

#define FD_LAST   32

#define AS_4BYTE   ".4byte"

#define AS_1BYTE   ".byte"

#define AS_ASCII   ".ascii"

#define AS_ULEBW   ".uleb128"

#define AS_SLEBW   ".sleb128"

#define LOCAL_STATE(bb)   (local_state[BB_id(bb)])

#define ENTRY_STATE(bb)   (entry_state[BB_id(bb)])

#define EXIT_STATE(bb)   (exit_state[BB_id(bb)])

Typedefs

typedef UINT32 FD_REG

Enumerations

enum CGD_STATES {
  DS_In_Register, DS_In_Memory, DS_CFA_Is_SP, DS_CFA_Is_Adj_SP,
  DS_CFA_Is_FP, DS_CFA_Last, DS_In_Register, DS_In_Memory,
  DS_CFA_Is_SP, DS_CFA_Is_Adj_SP, DS_CFA_Is_FP, DS_CFA_Last
}

Functions/Subroutines

static void CIE_dump2asm (Dwarf_P_Cie cie)

static void FDE_dump2asm (INT low_pc, INT high_pc)

static void CIE_end_dump2asm (void)

static void FDE_end_dump2asm (void)

static INT CFA_dump2asm (Dwarf_Small dw_op, Dwarf_Unsigned op1, Dwarf_Unsigned op2)

static Dwarf_P_Fde Add_Fde_Inst (Dwarf_P_Fde fde, Dwarf_Small dw_op, Dwarf_Unsigned op1, Dwarf_Unsigned op2)

static Dwarf_P_Fde update_state (Dwarf_P_Fde fde, FD_REG fd_reg, CGD_STATES *current_state, CGD_STATES new_state)

static FD_REG Machine_Reg_To_FD (TN *tn, UINT32 mc_id, ISA_REGISTER_CLASS c)

void dump_tn (TN *)

static FD_REG Save_TN_to_fd (TN *tn)

static FD_REG TN_to_fd (TN *tn)

static void Compute_Reg_State (BB *firstbb)

static BOOL Has_Matching_Load_In_BB (BB *bb, TN *dest, TN *spill)

static BOOL Has_Matching_Store_In_BB (BB *bb, TN *dest, TN *spill)

Dwarf_P_Fde Build_Fde_For_Proc (Dwarf_P_Debug dw_dbg, BB *firstbb, LABEL_IDX begin_label, LABEL_IDX end_label, INT end_offset, INT low_pc, INT high_pc)

static BOOL Is_Unwind_Simple (void)

void Init_Unwind_Info (BOOL trace)

void Finalize_Unwind_Info (void)

void Emit_Unwind_Directives_For_OP (OP *op, FILE *f)

void Check_Dwarf_Rel (Elf32_Rel const &current_reloc)

void Check_Dwarf_Rel (Elf64_AltRel const &current_reloc)

void Check_Dwarf_Rela (const Elf64_AltRela &current_reloc)

void Check_Dwarf_Rela (const Elf32_Rela &current_reloc)

BOOL Is_Dwarf_Section_To_Emit (const char *name)

Variables

static Dwarf_Error dw_error

static BOOL Trace_Unwind = TRUE

static UINT last_when

static BOOL simple_unwind = FALSE

static BOOL has_asm = FALSE

static UINT last_label = 0

static BOOL has_create = FALSE

static const UINT32 fd_to_track [FD_LAST]

static const UINT32 fd_to_dwarf [FD_LAST]

static ST * fd_to_spill_loc [FD_LAST]

static ST * curr_fd_to_spill_loc [FD_LAST]

static ST * prev_fd_to_spill_loc [FD_LAST]

static const char * CGD_Name [DS_CFA_Last]

static char * fmt_string = "\t%s\t0x%x\n"

static INT unw_info_pu_start_count

static INT32 curloc

static INT32 lastloc

static INT * local_state

static INT * entry_state

static INT * exit_state

static char * drop_these []

Define Documentation

#define AS_1BYTE ".byte"

Definition at line 167 of file cgdwarf_targ.cxx.

Referenced by CFA_dump2asm(), and CIE_dump2asm().

#define AS_4BYTE ".4byte"

Definition at line 166 of file cgdwarf_targ.cxx.

Referenced by CFA_dump2asm(), CIE_dump2asm(), and FDE_dump2asm().

#define AS_ASCII ".ascii"

Definition at line 168 of file cgdwarf_targ.cxx.

Referenced by CIE_dump2asm().

#define AS_SLEBW ".sleb128"

Definition at line 170 of file cgdwarf_targ.cxx.

Referenced by CIE_dump2asm().

#define AS_ULEBW ".uleb128"

Definition at line 169 of file cgdwarf_targ.cxx.

Referenced by CFA_dump2asm(), and CIE_dump2asm().

#define ENTRY_STATE ( bb ) (entry_state[BB_id(bb)])

Definition at line 561 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), and Compute_Reg_State().

#define EXIT_STATE ( bb ) (exit_state[BB_id(bb)])

Definition at line 562 of file cgdwarf_targ.cxx.

Referenced by Compute_Reg_State().

#define FD_CFA 28

Definition at line 109 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), and update_state().

#define FD_F20 12

Definition at line 47 of file cgdwarf_targ.cxx.

Referenced by Machine_Reg_To_FD().

#define FD_F21 13

Definition at line 48 of file cgdwarf_targ.cxx.

#define FD_F22 14

Definition at line 49 of file cgdwarf_targ.cxx.

#define FD_F23 15

Definition at line 50 of file cgdwarf_targ.cxx.

#define FD_F24 16

Definition at line 51 of file cgdwarf_targ.cxx.

#define FD_F25 17

Definition at line 52 of file cgdwarf_targ.cxx.

#define FD_F26 18

Definition at line 53 of file cgdwarf_targ.cxx.

#define FD_F27 19

Definition at line 54 of file cgdwarf_targ.cxx.

#define FD_F28 20

Definition at line 55 of file cgdwarf_targ.cxx.

#define FD_F29 21

Definition at line 56 of file cgdwarf_targ.cxx.

#define FD_F30 22

Definition at line 57 of file cgdwarf_targ.cxx.

#define FD_F31 23

Definition at line 58 of file cgdwarf_targ.cxx.

#define FD_FIRST FD_R0

Definition at line 114 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc().

#define FD_GP 9

Definition at line 43 of file cgdwarf_targ.cxx.

Referenced by Machine_Reg_To_FD().

#define FD_JA 11

Definition at line 45 of file cgdwarf_targ.cxx.

Referenced by Machine_Reg_To_FD().

#define FD_LAST 32

Definition at line 115 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc().

#define FD_R0 0

Definition at line 79 of file cgdwarf_targ.cxx.

#define FD_R1 1

Definition at line 81 of file cgdwarf_targ.cxx.

#define FD_R10 10

Definition at line 91 of file cgdwarf_targ.cxx.

#define FD_R11 11

Definition at line 92 of file cgdwarf_targ.cxx.

#define FD_R12 12

Definition at line 93 of file cgdwarf_targ.cxx.

#define FD_R13 13

Definition at line 94 of file cgdwarf_targ.cxx.

#define FD_R14 14

Definition at line 95 of file cgdwarf_targ.cxx.

#define FD_R15 15

Definition at line 96 of file cgdwarf_targ.cxx.

#define FD_R16 16

Definition at line 97 of file cgdwarf_targ.cxx.

#define FD_R17 17

Definition at line 98 of file cgdwarf_targ.cxx.

#define FD_R18 18

Definition at line 99 of file cgdwarf_targ.cxx.

#define FD_R19 19

Definition at line 100 of file cgdwarf_targ.cxx.

#define FD_R2 2

Definition at line 82 of file cgdwarf_targ.cxx.

#define FD_R20 20

Definition at line 101 of file cgdwarf_targ.cxx.

#define FD_R21 21

Definition at line 102 of file cgdwarf_targ.cxx.

#define FD_R22 22

Definition at line 103 of file cgdwarf_targ.cxx.

#define FD_R23 23

Definition at line 104 of file cgdwarf_targ.cxx.

#define FD_R24 24

Definition at line 105 of file cgdwarf_targ.cxx.

#define FD_R25 25

Definition at line 106 of file cgdwarf_targ.cxx.

#define FD_R26 26

Definition at line 107 of file cgdwarf_targ.cxx.

#define FD_R27 27

Definition at line 108 of file cgdwarf_targ.cxx.

#define FD_R29 29

Definition at line 110 of file cgdwarf_targ.cxx.

#define FD_R3 3

Definition at line 84 of file cgdwarf_targ.cxx.

#define FD_R30 30

Definition at line 111 of file cgdwarf_targ.cxx.

#define FD_R31 31

Definition at line 113 of file cgdwarf_targ.cxx.

#define FD_R4 4

Definition at line 85 of file cgdwarf_targ.cxx.

#define FD_R5 5

Definition at line 86 of file cgdwarf_targ.cxx.

#define FD_R6 6

Definition at line 87 of file cgdwarf_targ.cxx.

#define FD_R7 7

Definition at line 88 of file cgdwarf_targ.cxx.

#define FD_R8 8

Definition at line 89 of file cgdwarf_targ.cxx.

#define FD_R9 9

Definition at line 90 of file cgdwarf_targ.cxx.

#define FD_RA FD_R0

Definition at line 80 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), Machine_Reg_To_FD(), and update_state().

#define FD_S0 0

Definition at line 34 of file cgdwarf_targ.cxx.

Referenced by Machine_Reg_To_FD().

#define FD_S1 1

Definition at line 35 of file cgdwarf_targ.cxx.

#define FD_S2 2

Definition at line 36 of file cgdwarf_targ.cxx.

#define FD_S3 3

Definition at line 37 of file cgdwarf_targ.cxx.

#define FD_S4 4

Definition at line 38 of file cgdwarf_targ.cxx.

#define FD_S5 5

Definition at line 39 of file cgdwarf_targ.cxx.

#define FD_S6 6

Definition at line 40 of file cgdwarf_targ.cxx.

#define FD_S7 7

Definition at line 41 of file cgdwarf_targ.cxx.

#define FD_S8 FD_R30

Definition at line 112 of file cgdwarf_targ.cxx.

Referenced by Compute_Reg_State(), and Machine_Reg_To_FD().

#define FD_SL FD_R2

Definition at line 83 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), Compute_Reg_State(), and update_state().

#define LOCAL_STATE ( bb ) (local_state[BB_id(bb)])

Definition at line 560 of file cgdwarf_targ.cxx.

Referenced by Compute_Reg_State().

Typedef Documentation

typedef UINT32 FD_REG

Definition at line 117 of file cgdwarf_targ.cxx.

Enumeration Type Documentation

enum CGD_STATES

Enumerator:

DS_In_Register
DS_In_Memory
DS_CFA_Is_SP
DS_CFA_Is_Adj_SP
DS_CFA_Is_FP
DS_CFA_Last
DS_In_Register
DS_In_Memory
DS_CFA_Is_SP
DS_CFA_Is_Adj_SP
DS_CFA_Is_FP
DS_CFA_Last

Definition at line 148 of file cgdwarf_targ.cxx.

Function Documentation

static Dwarf_P_Fde Add_Fde_Inst	(	Dwarf_P_Fde	fde,
		Dwarf_Small	dw_op,
		Dwarf_Unsigned	op1,
		Dwarf_Unsigned	op2
	)			`[static]`

Definition at line 297 of file cgdwarf_targ.cxx.

References Assembly, CFA_dump2asm(), curloc, DW_CFA_advance_loc, DW_CFA_advance_loc4, DW_CFA_high_user, dwarf_add_fde_inst(), fprintf(), lastloc, TFile, and Trace_Dwarf.

Referenced by Build_Fde_For_Proc(), and update_state().

Dwarf_P_Fde Build_Fde_For_Proc	(	Dwarf_P_Debug	dw_dbg,
		BB *	firstbb,
		LABEL_IDX	begin_label,
		LABEL_IDX	end_label,
		INT	end_offset,
		INT	low_pc,
		INT	high_pc
	)

Definition at line 761 of file cgdwarf_targ.cxx.

References Add_Fde_Inst(), AS_SECTION, Asm_File, Assembly, BB_entry, BB_entry_sp_adj_op(), BB_exit, BB_exit_sp_adj_op(), BB_first_op, BB_handler, BB_id, BB_last_op, BB_next, BB_unreachable, BOOL, CGSPILL_Is_Spill_Op(), CIE_dump2asm(), CIE_end_dump2asm(), Compute_Reg_State(), curloc, Current_PU_Count(), Current_PU_Stack_Model, current_state, CURRENT_SYMTAB, data_alignment_factor, Dwarf_P_Debug_s::de_last_cie, DevWarn, DS_CFA_Is_Adj_SP, DS_CFA_Is_FP, DS_CFA_Is_SP, DS_In_Memory, DS_In_Register, DW_CFA_def_cfa, DW_CFA_offset, DW_CFA_register, DW_FRAME_REG29, DW_FRAME_STATIC_LINK, dwarf_new_fde(), ENTRY_STATE, FALSE, FD_CFA, FD_FIRST, FD_LAST, FD_RA, FD_SL, fd_to_dwarf, fd_to_track, FDE_dump2asm(), FDE_end_dump2asm(), Find_Slink_Symbol(), FP_TN, fprintf(), Get_Current_PU, Has_Matching_Load_In_BB(), Has_Matching_Store_In_BB(), i, INT, Is_True, lastloc, Machine_Reg_To_FD(), NULL, Offset_from_FP(), OP_code, OP_copy, OP_Defs_Reg(), OP_Defs_TN(), OP_dummy, OP_has_result, OP_load, OP_next, OP_noop, OP_opnd, OP_opnds, OP_Real_Ops(), OP_result, OP_results, OP_store, PU_is_nested_func(), RA_TN, REGISTER_CLASS_callee_saves, REGISTER_CLASS_sp, REGISTER_machine_id, REGISTER_SET_EMPTY_SET, REGISTER_SET_MemberP(), REGISTER_sp, Save_TN_to_fd(), SMODEL_SMALL, TFile, TN_is_ra_reg, TN_is_register, TN_is_save_reg, TN_is_static_link_reg, TN_is_symbol, TN_register, TN_register_class, TN_spill, TN_to_fd(), TN_var, Trace_Dwarf, TRUE, and update_state().

static INT CFA_dump2asm	(	Dwarf_Small	dw_op,
		Dwarf_Unsigned	op1,
		Dwarf_Unsigned	op2
	)			`[static]`

Definition at line 240 of file cgdwarf_targ.cxx.

References AS_1BYTE, AS_4BYTE, AS_ULEBW, Asm_File, DW_CFA_advance_loc, DW_CFA_advance_loc4, DW_CFA_def_cfa, DW_CFA_def_cfa_offset, DW_CFA_def_cfa_register, DW_CFA_high_user, DW_CFA_low_user, DW_CFA_offset, DW_CFA_register, DW_CFA_same_value, fmt_string, fprintf(), and Is_True.

Referenced by Add_Fde_Inst().

void Check_Dwarf_Rel ( Elf64_AltRel const & current_reloc )

Definition at line 1146 of file cgdwarf_targ.cxx.

References FmtAssert, R_IA_64_DIR64MSB, and REL64_type.

void Check_Dwarf_Rel ( Elf32_Rel const & current_reloc )

Definition at line 1138 of file cgdwarf_targ.cxx.

References FmtAssert, R_IA_64_DIR32MSB, and REL32_type.

void Check_Dwarf_Rela ( const Elf32_Rela & current_reloc )

Definition at line 1162 of file cgdwarf_targ.cxx.

References FALSE, FmtAssert, and REL32_type.

void Check_Dwarf_Rela ( const Elf64_AltRela & current_reloc )

Definition at line 1154 of file cgdwarf_targ.cxx.

References FALSE, FmtAssert, and REL64_type.

static void CIE_dump2asm ( Dwarf_P_Cie cie ) [static]

Definition at line 175 of file cgdwarf_targ.cxx.

References AS_1BYTE, AS_4BYTE, AS_ASCII, AS_BYTE, AS_SECTION, AS_SLEBW, AS_ULEBW, Asm_File, Dwarf_P_Cie_s::cie_aug, Dwarf_P_Cie_s::cie_code_align, Dwarf_P_Cie_s::cie_data_align, Dwarf_P_Cie_s::cie_inst, Dwarf_P_Cie_s::cie_next, Dwarf_P_Cie_s::cie_personality, Dwarf_P_Cie_s::cie_ret_reg, Dwarf_P_Cie_s::cie_version, Current_PU_Count(), fmt_string, fprintf(), Is_True, and unw_info_pu_start_count.

Referenced by Build_Fde_For_Proc().

static void CIE_end_dump2asm ( void ) [static]

Definition at line 224 of file cgdwarf_targ.cxx.

References Asm_File, Current_PU_Count(), and fprintf().

Referenced by Build_Fde_For_Proc().

static void Compute_Reg_State ( BB * firstbb ) [static]

Definition at line 573 of file cgdwarf_targ.cxx.

References BB_entry, BB_first_op, BB_handler, BB_id, BB_Mark_Unreachable_Blocks(), BB_next, BB_preds, BB_unreachable, BBLIST_item, BOOL, changes, Current_PU_Stack_Model, CURRENT_SYMTAB, ENTRY_STATE, EXIT_STATE, FALSE, FD_S8, FD_SL, Find_Slink_Symbol(), FOR_ALL_BB_PREDS, fprintf(), Get_Current_PU, i, INT, LOCAL_STATE, memset, NULL, OP_next, OP_opnd, OP_store, PU_BB_Count, PU_is_nested_func(), Save_TN_to_fd(), SMODEL_SMALL, TFile, TN_is_register, TN_is_save_reg, TN_is_static_link_reg, TN_is_symbol, TN_var, Trace_Dwarf, TRUE, and TYPE_PU_ALLOC_N.

Referenced by Build_Fde_For_Proc().

void dump_tn ( TN * )

Definition at line 1121 of file tnutil.cxx.

void Emit_Unwind_Directives_For_OP	(	OP *	op,
		FILE *	f
	)

Definition at line 1133 of file cgdwarf_targ.cxx.

static void FDE_dump2asm	(	INT	low_pc,
		INT	high_pc
	)			`[static]`

Definition at line 208 of file cgdwarf_targ.cxx.

References AS_4BYTE, AS_SECTION, Asm_File, Cur_PU_Name, Current_PU_Count(), fmt_string, fprintf(), Is_True, TFile, Trace_Dwarf, and unw_info_pu_start_count.

Referenced by Build_Fde_For_Proc().

static void FDE_end_dump2asm ( void ) [static]

Definition at line 232 of file cgdwarf_targ.cxx.

References Asm_File, Current_PU_Count(), and fprintf().

Referenced by Build_Fde_For_Proc().

void Finalize_Unwind_Info ( void )

Definition at line 1127 of file cgdwarf_targ.cxx.

static BOOL Has_Matching_Load_In_BB	(	BB *	bb,
		TN *	dest,
		TN *	spill
	)			`[static]`

Definition at line 655 of file cgdwarf_targ.cxx.

References BB_first_op, CLASS_REG_PAIR_EqualP, FALSE, OP_has_result, OP_load, OP_next, OP_opnd, OP_result, TN_class_reg, and TRUE.

Referenced by Build_Fde_For_Proc().

static BOOL Has_Matching_Store_In_BB	(	BB *	bb,
		TN *	dest,
		TN *	spill
	)			`[static]`

Definition at line 671 of file cgdwarf_targ.cxx.

References BB_first_op, CLASS_REG_PAIR_EqualP, FALSE, OP_next, OP_opnd, OP_store, TN_class_reg, and TRUE.

Referenced by Build_Fde_For_Proc().

void Init_Unwind_Info ( BOOL trace )

Definition at line 1095 of file cgdwarf_targ.cxx.

References Compute_Region_Sizes(), Do_Control_Flow_Analysis_Of_Unwind_Info(), FALSE, fprintf(), has_asm, has_create, Is_Unwind_Simple(), last_label, next_when, proc_region, simple_unwind, TFile, Trace_Unwind, TRUE, and UNDEFINED_UREGION.

BOOL Is_Dwarf_Section_To_Emit ( const char * name )

Definition at line 1184 of file cgdwarf_targ.cxx.

References FALSE, strcmp(), and TRUE.

static BOOL Is_Unwind_Simple ( void ) [static]

Definition at line 1074 of file cgdwarf_targ.cxx.

References BB_entry, BB_exit, BB_next, BB_prev, FALSE, has_asm, NULL, TRUE, ue_iter, and ue_list.

static FD_REG Machine_Reg_To_FD	(	TN *	tn,
		UINT32	mc_id,
		ISA_REGISTER_CLASS	c
	)			`[static]`

Definition at line 470 of file cgdwarf_targ.cxx.

References FD_F20, FD_GP, FD_JA, FD_RA, FD_S0, FD_S8, Is_True, TN_is_float, TN_save_rclass, and TN_save_reg.

Referenced by Build_Fde_For_Proc(), Save_TN_to_fd(), and TN_to_fd().

static FD_REG Save_TN_to_fd ( TN * tn ) [static]

Definition at line 525 of file cgdwarf_targ.cxx.

References Is_True, Machine_Reg_To_FD(), NULL, REGISTER_machine_id, TN_is_ra_reg, TN_is_save_reg, TN_save_rclass, TN_save_reg, TN_spill, and UINT32.

Referenced by Build_Fde_For_Proc(), and Compute_Reg_State().

static FD_REG TN_to_fd ( TN * tn ) [static]

Definition at line 544 of file cgdwarf_targ.cxx.

References Machine_Reg_To_FD(), NULL, TN_register, TN_register_class, TN_spill, and UINT32.

Referenced by Build_Fde_For_Proc().

static Dwarf_P_Fde update_state	(	Dwarf_P_Fde	fde,
		FD_REG	fd_reg,
		CGD_STATES *	current_state,
		CGD_STATES	new_state
	)			`[static]`

Definition at line 334 of file cgdwarf_targ.cxx.

References Add_Fde_Inst(), CGD_Name, curloc, data_alignment_factor, DevWarn, DS_CFA_Is_Adj_SP, DS_CFA_Is_FP, DS_CFA_Is_SP, DS_In_Memory, DS_In_Register, DW_CFA_def_cfa_offset, DW_CFA_def_cfa_register, DW_CFA_offset, DW_CFA_register, DW_FRAME_RA_COL, DW_FRAME_REG29, DW_FRAME_REG30, DW_FRAME_STATIC_LINK, EC_Misc_Int, ErrMsg(), FD_CFA, FD_RA, FD_SL, fd_to_dwarf, fd_to_track, fprintf(), Frame_Len, INT, Is_True, lastloc, Offset_from_FP(), printf(), TFile, and Trace_Dwarf.

Referenced by Build_Fde_For_Proc().

Variable Documentation

const char* CGD_Name[DS_CFA_Last] [static]

Initial value:

 {
   "DS_In_Register",
   "DS_In_Memory",
   "DS_CFA_Is_SP",
   "DS_CFA_Is_Adj_SP",
   "DS_CFA_Is_FP"
}

Definition at line 157 of file cgdwarf_targ.cxx.

Referenced by update_state().

INT32 curloc [static]

Definition at line 291 of file cgdwarf_targ.cxx.

Referenced by Add_Fde_Inst(), Build_Fde_For_Proc(), i_tem(), and update_state().

ST* curr_fd_to_spill_loc[FD_LAST] [static]

Definition at line 142 of file cgdwarf_targ.cxx.

char* drop_these[] [static]

Initial value:

 {
      
      
  ".debug_line",
     
     
  ".debug_weaknames",
  ".debug_varnames",
  ".debug_typenames",
  ".debug_funcnames",
     
  ".debug_frame",
  0
}

Definition at line 1169 of file cgdwarf_targ.cxx.

Dwarf_Error dw_error [static]

Definition at line 65 of file cgdwarf_targ.cxx.

INT * entry_state [static]

Definition at line 558 of file cgdwarf_targ.cxx.

Referenced by Do_Control_Flow_Analysis_Of_Unwind_Info().

INT * exit_state [static]

Definition at line 558 of file cgdwarf_targ.cxx.

Referenced by Do_Control_Flow_Analysis_Of_Unwind_Info().

const UINT32 fd_to_dwarf[FD_LAST] [static]

Initial value:

 {
  DW_FRAME_REG1, DW_FRAME_REG2, DW_FRAME_REG3,
  DW_FRAME_REG4, DW_FRAME_REG5, DW_FRAME_REG6, DW_FRAME_REG7,
  DW_FRAME_REG8, DW_FRAME_REG9, DW_FRAME_REG10, DW_FRAME_REG11,
  DW_FRAME_REG12, DW_FRAME_REG13, DW_FRAME_REG14, DW_FRAME_REG15,
  DW_FRAME_REG16, DW_FRAME_REG17, DW_FRAME_REG18, DW_FRAME_REG19,
  DW_FRAME_REG20, DW_FRAME_REG21, DW_FRAME_REG22, DW_FRAME_REG23,
  DW_FRAME_REG24, DW_FRAME_REG25, DW_FRAME_REG26, DW_FRAME_REG27,
  0, DW_FRAME_REG29, DW_FRAME_REG30, DW_FRAME_REG31,
  
}

Definition at line 128 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), and update_state().

ST* fd_to_spill_loc[FD_LAST] [static]

Definition at line 141 of file cgdwarf_targ.cxx.

const UINT32 fd_to_track[FD_LAST] [static]

Initial value:

 {
  
  
  
  1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
  1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0,
}

Definition at line 119 of file cgdwarf_targ.cxx.

Referenced by Build_Fde_For_Proc(), and update_state().

char* fmt_string = "\t%s\t0x%x\n" [static]

Definition at line 165 of file cgdwarf_targ.cxx.

Referenced by CFA_dump2asm(), CIE_dump2asm(), FDE_dump2asm(), output_operand_lossage(), and VPARAMS().

BOOL has_asm = FALSE [static]

Definition at line 69 of file cgdwarf_targ.cxx.

BOOL has_create = FALSE [static]

Definition at line 71 of file cgdwarf_targ.cxx.

UINT last_label = 0 [static]

Definition at line 70 of file cgdwarf_targ.cxx.

UINT last_when [static]

Definition at line 67 of file cgdwarf_targ.cxx.

INT32 lastloc [static]

Definition at line 291 of file cgdwarf_targ.cxx.

Referenced by Add_Fde_Inst(), Build_Fde_For_Proc(), and update_state().

INT* local_state [static]

Definition at line 558 of file cgdwarf_targ.cxx.

ST* prev_fd_to_spill_loc[FD_LAST] [static]

Definition at line 144 of file cgdwarf_targ.cxx.

BOOL simple_unwind = FALSE [static]

Definition at line 68 of file cgdwarf_targ.cxx.

BOOL Trace_Unwind = TRUE [static]

Definition at line 66 of file cgdwarf_targ.cxx.

INT unw_info_pu_start_count [static]

Definition at line 172 of file cgdwarf_targ.cxx.

Referenced by CIE_dump2asm(), and FDE_dump2asm().


Defines
#define	FD_S0 0
#define	FD_S1 1
#define	FD_S2 2
#define	FD_S3 3
#define	FD_S4 4
#define	FD_S5 5
#define	FD_S6 6
#define	FD_S7 7
#define	FD_GP 9
#define	FD_JA 11
#define	FD_F20 12
#define	FD_F21 13
#define	FD_F22 14
#define	FD_F23 15
#define	FD_F24 16
#define	FD_F25 17
#define	FD_F26 18
#define	FD_F27 19
#define	FD_F28 20
#define	FD_F29 21
#define	FD_F30 22
#define	FD_F31 23
#define	FD_R0 0
#define	FD_RA FD_R0
#define	FD_R1 1
#define	FD_R2 2
#define	FD_SL FD_R2
#define	FD_R3 3
#define	FD_R4 4
#define	FD_R5 5
#define	FD_R6 6
#define	FD_R7 7
#define	FD_R8 8
#define	FD_R9 9
#define	FD_R10 10
#define	FD_R11 11
#define	FD_R12 12
#define	FD_R13 13
#define	FD_R14 14
#define	FD_R15 15
#define	FD_R16 16
#define	FD_R17 17
#define	FD_R18 18
#define	FD_R19 19
#define	FD_R20 20
#define	FD_R21 21
#define	FD_R22 22
#define	FD_R23 23
#define	FD_R24 24
#define	FD_R25 25
#define	FD_R26 26
#define	FD_R27 27
#define	FD_CFA 28
#define	FD_R29 29
#define	FD_R30 30
#define	FD_S8 FD_R30
#define	FD_R31 31
#define	FD_FIRST FD_R0
#define	FD_LAST 32
#define	AS_4BYTE ".4byte"
#define	AS_1BYTE ".byte"
#define	AS_ASCII ".ascii"
#define	AS_ULEBW ".uleb128"
#define	AS_SLEBW ".sleb128"
#define	LOCAL_STATE(bb) (local_state[BB_id(bb)])
#define	ENTRY_STATE(bb) (entry_state[BB_id(bb)])
#define	EXIT_STATE(bb) (exit_state[BB_id(bb)])
Typedefs
typedef UINT32	FD_REG
Enumerations
enum	CGD_STATES { DS_In_Register, DS_In_Memory, DS_CFA_Is_SP, DS_CFA_Is_Adj_SP, DS_CFA_Is_FP, DS_CFA_Last, DS_In_Register, DS_In_Memory, DS_CFA_Is_SP, DS_CFA_Is_Adj_SP, DS_CFA_Is_FP, DS_CFA_Last }
Functions/Subroutines
static void	CIE_dump2asm (Dwarf_P_Cie cie)
static void	FDE_dump2asm (INT low_pc, INT high_pc)
static void	CIE_end_dump2asm (void)
static void	FDE_end_dump2asm (void)
static INT	CFA_dump2asm (Dwarf_Small dw_op, Dwarf_Unsigned op1, Dwarf_Unsigned op2)
static Dwarf_P_Fde	Add_Fde_Inst (Dwarf_P_Fde fde, Dwarf_Small dw_op, Dwarf_Unsigned op1, Dwarf_Unsigned op2)
static Dwarf_P_Fde	update_state (Dwarf_P_Fde fde, FD_REG fd_reg, CGD_STATES *current_state, CGD_STATES new_state)
static FD_REG	Machine_Reg_To_FD (TN *tn, UINT32 mc_id, ISA_REGISTER_CLASS c)
void	dump_tn (TN *)
static FD_REG	Save_TN_to_fd (TN *tn)
static FD_REG	TN_to_fd (TN *tn)
static void	Compute_Reg_State (BB *firstbb)
static BOOL	Has_Matching_Load_In_BB (BB bb, TN dest, TN *spill)
static BOOL	Has_Matching_Store_In_BB (BB bb, TN dest, TN *spill)
Dwarf_P_Fde	Build_Fde_For_Proc (Dwarf_P_Debug dw_dbg, BB *firstbb, LABEL_IDX begin_label, LABEL_IDX end_label, INT end_offset, INT low_pc, INT high_pc)
static BOOL	Is_Unwind_Simple (void)
void	Init_Unwind_Info (BOOL trace)
void	Finalize_Unwind_Info (void)
void	Emit_Unwind_Directives_For_OP (OP op, FILE f)
void	Check_Dwarf_Rel (Elf32_Rel const &current_reloc)
void	Check_Dwarf_Rel (Elf64_AltRel const &current_reloc)
void	Check_Dwarf_Rela (const Elf64_AltRela &current_reloc)
void	Check_Dwarf_Rela (const Elf32_Rela &current_reloc)
BOOL	Is_Dwarf_Section_To_Emit (const char *name)
Variables
static Dwarf_Error	dw_error
static BOOL	Trace_Unwind = TRUE
static UINT	last_when
static BOOL	simple_unwind = FALSE
static BOOL	has_asm = FALSE
static UINT	last_label = 0
static BOOL	has_create = FALSE
static const UINT32	fd_to_track [FD_LAST]
static const UINT32	fd_to_dwarf [FD_LAST]
static ST *	fd_to_spill_loc [FD_LAST]
static ST *	curr_fd_to_spill_loc [FD_LAST]
static ST *	prev_fd_to_spill_loc [FD_LAST]
static const char *	CGD_Name [DS_CFA_Last]
static char *	fmt_string = "\t%s\t0x%x\n"
static INT	unw_info_pu_start_count
static INT32	curloc
static INT32	lastloc
static INT *	local_state
static INT *	entry_state
static INT *	exit_state
static char *	drop_these []