diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/vmsdbgout.c')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/vmsdbgout.c | 1736 |
1 files changed, 0 insertions, 1736 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/vmsdbgout.c b/gcc-4.2.1-5666.3/gcc/vmsdbgout.c deleted file mode 100644 index 23832aa83..000000000 --- a/gcc-4.2.1-5666.3/gcc/vmsdbgout.c +++ /dev/null @@ -1,1736 +0,0 @@ -/* Output VMS debug format symbol table information from GCC. - Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. - Contributed by Douglas B. Rupp (rupp@gnat.com). - Updated by Bernard W. Giroud (bgiroud@users.sourceforge.net). - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#include "config.h" -#include "system.h" -#include "coretypes.h" -#include "tm.h" - -#ifdef VMS_DEBUGGING_INFO -#include "tree.h" -#include "version.h" -#include "flags.h" -#include "rtl.h" -#include "output.h" -#include "vmsdbg.h" -#include "debug.h" -#include "langhooks.h" -#include "function.h" -#include "target.h" - -/* Difference in seconds between the VMS Epoch and the Unix Epoch */ -static const long long vms_epoch_offset = 3506716800ll; - -/* NOTE: In the comments in this file, many references are made to "Debug - Symbol Table". This term is abbreviated as `DST' throughout the remainder - of this file. */ - -typedef struct dst_line_info_struct *dst_line_info_ref; - -/* Each entry in the line_info_table maintains the file and - line number associated with the label generated for that - entry. The label gives the PC value associated with - the line number entry. */ -typedef struct dst_line_info_struct -{ - unsigned long dst_file_num; - unsigned long dst_line_num; -} -dst_line_info_entry; - -typedef struct dst_file_info_struct *dst_file_info_ref; - -typedef struct dst_file_info_struct -{ - char *file_name; - unsigned int max_line; - unsigned int listing_line_start; - long long cdt; - long ebk; - short ffb; - char rfo; - char flen; -} -dst_file_info_entry; - -/* How to start an assembler comment. */ -#ifndef ASM_COMMENT_START -#define ASM_COMMENT_START ";#" -#endif - -/* Maximum size (in bytes) of an artificially generated label. */ -#define MAX_ARTIFICIAL_LABEL_BYTES 30 - -/* Make sure we know the sizes of the various types debug can describe. These - are only defaults. If the sizes are different for your target, you should - override these values by defining the appropriate symbols in your tm.h - file. */ -#ifndef PTR_SIZE -#define PTR_SIZE 4 /* Must be 32 bits for VMS debug info */ -#endif - -/* Pointer to a structure of filenames referenced by this compilation unit. */ -static dst_file_info_ref file_info_table; - -/* Total number of entries in the table (i.e. array) pointed to by - `file_info_table'. This is the *total* and includes both used and unused - slots. */ -static unsigned int file_info_table_allocated; - -/* Number of entries in the file_info_table which are actually in use. */ -static unsigned int file_info_table_in_use; - -/* Size (in elements) of increments by which we may expand the filename - table. */ -#define FILE_TABLE_INCREMENT 64 - -/* A structure to hold basic information for the VMS end - routine. */ - -typedef struct vms_func_struct -{ - const char *vms_func_name; - unsigned funcdef_number; -} -vms_func_node; - -typedef struct vms_func_struct *vms_func_ref; - -static unsigned int func_table_allocated; -static unsigned int func_table_in_use; -#define FUNC_TABLE_INCREMENT 256 - -/* A pointer to the base of a table that contains frame description - information for each routine. */ -static vms_func_ref func_table; - -/* Local pointer to the name of the main input file. Initialized in - avmdbgout_init. */ -static const char *primary_filename; - -static char *module_producer; -static unsigned int module_language; - -/* A pointer to the base of a table that contains line information - for each source code line in .text in the compilation unit. */ -static dst_line_info_ref line_info_table; - -/* Number of elements currently allocated for line_info_table. */ -static unsigned int line_info_table_allocated; - -/* Number of elements in line_info_table currently in use. */ -static unsigned int line_info_table_in_use; - -/* Size (in elements) of increments by which we may expand line_info_table. */ -#define LINE_INFO_TABLE_INCREMENT 1024 - -/* Forward declarations for functions defined in this file. */ -static char *full_name (const char *); -static unsigned int lookup_filename (const char *); -static void addr_const_to_string (char *, rtx); -static int write_debug_header (DST_HEADER *, const char *, int); -static int write_debug_addr (char *, const char *, int); -static int write_debug_data1 (unsigned int, const char *, int); -static int write_debug_data2 (unsigned int, const char *, int); -static int write_debug_data4 (unsigned long, const char *, int); -static int write_debug_data8 (unsigned long long, const char *, int); -static int write_debug_delta4 (char *, char *, const char *, int); -static int write_debug_string (char *, const char *, int); -static int write_modbeg (int); -static int write_modend (int); -static int write_rtnbeg (int, int); -static int write_rtnend (int, int); -static int write_pclines (int); -static int write_srccorr (int, dst_file_info_entry, int); -static int write_srccorrs (int); - -static void vmsdbgout_init (const char *); -static void vmsdbgout_finish (const char *); -static void vmsdbgout_define (unsigned int, const char *); -static void vmsdbgout_undef (unsigned int, const char *); -static void vmsdbgout_start_source_file (unsigned int, const char *); -static void vmsdbgout_end_source_file (unsigned int); -static void vmsdbgout_begin_block (unsigned int, unsigned int); -static void vmsdbgout_end_block (unsigned int, unsigned int); -static bool vmsdbgout_ignore_block (tree); -static void vmsdbgout_source_line (unsigned int, const char *); -static void vmsdbgout_begin_prologue (unsigned int, const char *); -static void vmsdbgout_end_prologue (unsigned int, const char *); -static void vmsdbgout_end_function (unsigned int); -static void vmsdbgout_end_epilogue (unsigned int, const char *); -static void vmsdbgout_begin_function (tree); -static void vmsdbgout_decl (tree); -static void vmsdbgout_global_decl (tree); -static void vmsdbgout_abstract_function (tree); - -/* The debug hooks structure. */ - -const struct gcc_debug_hooks vmsdbg_debug_hooks -= {vmsdbgout_init, - vmsdbgout_finish, - vmsdbgout_define, - vmsdbgout_undef, - vmsdbgout_start_source_file, - vmsdbgout_end_source_file, - vmsdbgout_begin_block, - vmsdbgout_end_block, - vmsdbgout_ignore_block, - vmsdbgout_source_line, - vmsdbgout_begin_prologue, - vmsdbgout_end_prologue, - vmsdbgout_end_epilogue, - vmsdbgout_begin_function, - vmsdbgout_end_function, - vmsdbgout_decl, - vmsdbgout_global_decl, - debug_nothing_tree_int, /* type_decl */ - debug_nothing_tree_tree, /* imported_module_or_decl */ - debug_nothing_tree, /* deferred_inline_function */ - vmsdbgout_abstract_function, - debug_nothing_rtx, /* label */ - debug_nothing_int, /* handle_pch */ - debug_nothing_rtx, /* var_location */ - /* APPLE LOCAL opt diary */ - debug_nothing_od_msg_loc, /* Optimization Diary Entry */ - debug_nothing_void, /* switch_text_section */ - 0 /* start_end_main_source_file */ -}; - -/* Definitions of defaults for assembler-dependent names of various - pseudo-ops and section names. - Theses may be overridden in the tm.h file (if necessary) for a particular - assembler. */ -#ifdef UNALIGNED_SHORT_ASM_OP -#undef UNALIGNED_SHORT_ASM_OP -#endif -#define UNALIGNED_SHORT_ASM_OP ".word" - -#ifdef UNALIGNED_INT_ASM_OP -#undef UNALIGNED_INT_ASM_OP -#endif -#define UNALIGNED_INT_ASM_OP ".long" - -#ifdef UNALIGNED_LONG_ASM_OP -#undef UNALIGNED_LONG_ASM_OP -#endif -#define UNALIGNED_LONG_ASM_OP ".long" - -#ifdef UNALIGNED_DOUBLE_INT_ASM_OP -#undef UNALIGNED_DOUBLE_INT_ASM_OP -#endif -#define UNALIGNED_DOUBLE_INT_ASM_OP ".quad" - -#ifdef ASM_BYTE_OP -#undef ASM_BYTE_OP -#endif -#define ASM_BYTE_OP ".byte" - -#define NUMBYTES(I) ((I) < 256 ? 1 : (I) < 65536 ? 2 : 4) - -#define NUMBYTES0(I) ((I) < 128 ? 0 : (I) < 65536 ? 2 : 4) - -#ifndef UNALIGNED_PTR_ASM_OP -#define UNALIGNED_PTR_ASM_OP \ - (PTR_SIZE == 8 ? UNALIGNED_DOUBLE_INT_ASM_OP : UNALIGNED_INT_ASM_OP) -#endif - -#ifndef UNALIGNED_OFFSET_ASM_OP -#define UNALIGNED_OFFSET_ASM_OP(OFFSET) \ - (NUMBYTES(OFFSET) == 4 \ - ? UNALIGNED_LONG_ASM_OP \ - : (NUMBYTES(OFFSET) == 2 ? UNALIGNED_SHORT_ASM_OP : ASM_BYTE_OP)) -#endif - -/* Definitions of defaults for formats and names of various special - (artificial) labels which may be generated within this file (when the -g - options is used and VMS_DEBUGGING_INFO is in effect. If necessary, these - may be overridden from within the tm.h file, but typically, overriding these - defaults is unnecessary. */ - -static char text_end_label[MAX_ARTIFICIAL_LABEL_BYTES]; - -#ifndef TEXT_END_LABEL -#define TEXT_END_LABEL "Lvetext" -#endif -#ifndef FUNC_BEGIN_LABEL -#define FUNC_BEGIN_LABEL "LVFB" -#endif -#ifndef FUNC_PROLOG_LABEL -#define FUNC_PROLOG_LABEL "LVFP" -#endif -#ifndef FUNC_END_LABEL -#define FUNC_END_LABEL "LVFE" -#endif -#ifndef BLOCK_BEGIN_LABEL -#define BLOCK_BEGIN_LABEL "LVBB" -#endif -#ifndef BLOCK_END_LABEL -#define BLOCK_END_LABEL "LVBE" -#endif -#ifndef LINE_CODE_LABEL -#define LINE_CODE_LABEL "LVM" -#endif - -#ifndef ASM_OUTPUT_DEBUG_DELTA2 -#define ASM_OUTPUT_DEBUG_DELTA2(FILE,LABEL1,LABEL2) \ - do \ - { \ - fprintf ((FILE), "\t%s\t", UNALIGNED_SHORT_ASM_OP); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, LABEL2); \ - } \ - while (0) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DELTA4 -#define ASM_OUTPUT_DEBUG_DELTA4(FILE,LABEL1,LABEL2) \ - do \ - { \ - fprintf ((FILE), "\t%s\t", UNALIGNED_INT_ASM_OP); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, LABEL2); \ - } \ - while (0) -#endif - -#ifndef ASM_OUTPUT_DEBUG_ADDR_DELTA -#define ASM_OUTPUT_DEBUG_ADDR_DELTA(FILE,LABEL1,LABEL2) \ - do \ - { \ - fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ - assemble_name (FILE, LABEL1); \ - fprintf (FILE, "-"); \ - assemble_name (FILE, LABEL2); \ - } \ - while (0) -#endif - -#ifndef ASM_OUTPUT_DEBUG_ADDR -#define ASM_OUTPUT_DEBUG_ADDR(FILE,LABEL) \ - do \ - { \ - fprintf ((FILE), "\t%s\t", UNALIGNED_PTR_ASM_OP); \ - assemble_name (FILE, LABEL); \ - } \ - while (0) -#endif - -#ifndef ASM_OUTPUT_DEBUG_ADDR_CONST -#define ASM_OUTPUT_DEBUG_ADDR_CONST(FILE,ADDR) \ - fprintf ((FILE), "\t%s\t%s", UNALIGNED_PTR_ASM_OP, (ADDR)) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DATA1 -#define ASM_OUTPUT_DEBUG_DATA1(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%x", ASM_BYTE_OP, (unsigned char) VALUE) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DATA2 -#define ASM_OUTPUT_DEBUG_DATA2(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%x", UNALIGNED_SHORT_ASM_OP, \ - (unsigned short) VALUE) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DATA4 -#define ASM_OUTPUT_DEBUG_DATA4(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_INT_ASM_OP, (unsigned long) VALUE) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DATA -#define ASM_OUTPUT_DEBUG_DATA(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_OFFSET_ASM_OP(VALUE), VALUE) -#endif - -#ifndef ASM_OUTPUT_DEBUG_ADDR_DATA -#define ASM_OUTPUT_DEBUG_ADDR_DATA(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%lx", UNALIGNED_PTR_ASM_OP, \ - (unsigned long) VALUE) -#endif - -#ifndef ASM_OUTPUT_DEBUG_DATA8 -#define ASM_OUTPUT_DEBUG_DATA8(FILE,VALUE) \ - fprintf ((FILE), "\t%s\t0x%llx", UNALIGNED_DOUBLE_INT_ASM_OP, \ - (unsigned long long) VALUE) -#endif - -/* This is similar to the default ASM_OUTPUT_ASCII, except that no trailing - newline is produced. When flag_verbose_asm is asserted, we add commentary - at the end of the line, so we must avoid output of a newline here. */ -#ifndef ASM_OUTPUT_DEBUG_STRING -#define ASM_OUTPUT_DEBUG_STRING(FILE,P) \ - do \ - { \ - register int slen = strlen(P); \ - register char *p = (P); \ - register int i; \ - fprintf (FILE, "\t.ascii \""); \ - for (i = 0; i < slen; i++) \ - { \ - register int c = p[i]; \ - if (c == '\"' || c == '\\') \ - putc ('\\', FILE); \ - if (c >= ' ' && c < 0177) \ - putc (c, FILE); \ - else \ - fprintf (FILE, "\\%o", c); \ - } \ - fprintf (FILE, "\""); \ - } \ - while (0) -#endif - -/* Convert a reference to the assembler name of a C-level name. This - macro has the same effect as ASM_OUTPUT_LABELREF, but copies to - a string rather than writing to a file. */ -#ifndef ASM_NAME_TO_STRING -#define ASM_NAME_TO_STRING(STR, NAME) \ - do \ - { \ - if ((NAME)[0] == '*') \ - strcpy (STR, NAME+1); \ - else \ - strcpy (STR, NAME); \ - } \ - while (0) -#endif - - -/* General utility functions. */ - -/* Convert an integer constant expression into assembler syntax. Addition and - subtraction are the only arithmetic that may appear in these expressions. - This is an adaptation of output_addr_const in final.c. Here, the target - of the conversion is a string buffer. We can't use output_addr_const - directly, because it writes to a file. */ - -static void -addr_const_to_string (char *str, rtx x) -{ - char buf1[256]; - char buf2[256]; - - restart: - str[0] = '\0'; - switch (GET_CODE (x)) - { - case PC: - gcc_assert (flag_pic); - strcat (str, ","); - break; - - case SYMBOL_REF: - ASM_NAME_TO_STRING (buf1, XSTR (x, 0)); - strcat (str, buf1); - break; - - case LABEL_REF: - ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (XEXP (x, 0))); - ASM_NAME_TO_STRING (buf2, buf1); - strcat (str, buf2); - break; - - case CODE_LABEL: - ASM_GENERATE_INTERNAL_LABEL (buf1, "L", CODE_LABEL_NUMBER (x)); - ASM_NAME_TO_STRING (buf2, buf1); - strcat (str, buf2); - break; - - case CONST_INT: - sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, INTVAL (x)); - strcat (str, buf1); - break; - - case CONST: - /* This used to output parentheses around the expression, but that does - not work on the 386 (either ATT or BSD assembler). */ - addr_const_to_string (buf1, XEXP (x, 0)); - strcat (str, buf1); - break; - - case CONST_DOUBLE: - if (GET_MODE (x) == VOIDmode) - { - /* We can use %d if the number is one word and positive. */ - if (CONST_DOUBLE_HIGH (x)) - sprintf (buf1, HOST_WIDE_INT_PRINT_DOUBLE_HEX, - CONST_DOUBLE_HIGH (x), CONST_DOUBLE_LOW (x)); - else if (CONST_DOUBLE_LOW (x) < 0) - sprintf (buf1, HOST_WIDE_INT_PRINT_HEX, CONST_DOUBLE_LOW (x)); - else - sprintf (buf1, HOST_WIDE_INT_PRINT_DEC, - CONST_DOUBLE_LOW (x)); - strcat (str, buf1); - } - else - /* We can't handle floating point constants; PRINT_OPERAND must - handle them. */ - output_operand_lossage ("floating constant misused"); - break; - - case PLUS: - /* Some assemblers need integer constants to appear last (eg masm). */ - if (GET_CODE (XEXP (x, 0)) == CONST_INT) - { - addr_const_to_string (buf1, XEXP (x, 1)); - strcat (str, buf1); - if (INTVAL (XEXP (x, 0)) >= 0) - strcat (str, "+"); - addr_const_to_string (buf1, XEXP (x, 0)); - strcat (str, buf1); - } - else - { - addr_const_to_string (buf1, XEXP (x, 0)); - strcat (str, buf1); - if (INTVAL (XEXP (x, 1)) >= 0) - strcat (str, "+"); - addr_const_to_string (buf1, XEXP (x, 1)); - strcat (str, buf1); - } - break; - - case MINUS: - /* Avoid outputting things like x-x or x+5-x, since some assemblers - can't handle that. */ - x = simplify_subtraction (x); - if (GET_CODE (x) != MINUS) - goto restart; - - addr_const_to_string (buf1, XEXP (x, 0)); - strcat (str, buf1); - strcat (str, "-"); - if (GET_CODE (XEXP (x, 1)) == CONST_INT - && INTVAL (XEXP (x, 1)) < 0) - { - strcat (str, "("); - addr_const_to_string (buf1, XEXP (x, 1)); - strcat (str, buf1); - strcat (str, ")"); - } - else - { - addr_const_to_string (buf1, XEXP (x, 1)); - strcat (str, buf1); - } - break; - - case ZERO_EXTEND: - case SIGN_EXTEND: - addr_const_to_string (buf1, XEXP (x, 0)); - strcat (str, buf1); - break; - - default: - output_operand_lossage ("invalid expression as operand"); - } -} - -/* Output the debug header HEADER. Also output COMMENT if flag_verbose_asm is - set. Return the header size. Just return the size if DOSIZEONLY is - nonzero. */ - -static int -write_debug_header (DST_HEADER *header, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, - header->dst__header_length.dst_w_length); - - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s record length", ASM_COMMENT_START); - fputc ('\n', asm_out_file); - - ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, - header->dst__header_type.dst_w_type); - - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s record type (%s)", ASM_COMMENT_START, - comment); - - fputc ('\n', asm_out_file); - } - - return 4; -} - -/* Output the address of SYMBOL. Also output COMMENT if flag_verbose_asm is - set. Return the address size. Just return the size if DOSIZEONLY is - nonzero. */ - -static int -write_debug_addr (char *symbol, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_ADDR (asm_out_file, symbol); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return PTR_SIZE; -} - -/* Output the single byte DATA1. Also output COMMENT if flag_verbose_asm is - set. Return the data size. Just return the size if DOSIZEONLY is - nonzero. */ - -static int -write_debug_data1 (unsigned int data1, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DATA1 (asm_out_file, data1); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return 1; -} - -/* Output the single word DATA2. Also output COMMENT if flag_verbose_asm is - set. Return the data size. Just return the size if DOSIZEONLY is - nonzero. */ - -static int -write_debug_data2 (unsigned int data2, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DATA2 (asm_out_file, data2); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return 2; -} - -/* Output double word DATA4. Also output COMMENT if flag_verbose_asm is set. - Return the data size. Just return the size if DOSIZEONLY is nonzero. */ - -static int -write_debug_data4 (unsigned long data4, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DATA4 (asm_out_file, data4); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return 4; -} - -/* Output quad word DATA8. Also output COMMENT if flag_verbose_asm is set. - Return the data size. Just return the size if DOSIZEONLY is nonzero. */ - -static int -write_debug_data8 (unsigned long long data8, const char *comment, - int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DATA8 (asm_out_file, data8); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return 8; -} - -/* Output the difference between LABEL1 and LABEL2. Also output COMMENT if - flag_verbose_asm is set. Return the data size. Just return the size if - DOSIZEONLY is nonzero. */ - -static int -write_debug_delta4 (char *label1, char *label2, const char *comment, - int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_DELTA4 (asm_out_file, label1, label2); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return 4; -} - -/* Output a character string STRING. Also write COMMENT if flag_verbose_asm is - set. Return the string length. Just return the length if DOSIZEONLY is - nonzero. */ - -static int -write_debug_string (char *string, const char *comment, int dosizeonly) -{ - if (!dosizeonly) - { - ASM_OUTPUT_DEBUG_STRING (asm_out_file, string); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s %s", ASM_COMMENT_START, comment); - fputc ('\n', asm_out_file); - } - - return strlen (string); -} - -/* Output a module begin header and return the header size. Just return the - size if DOSIZEONLY is nonzero. */ - -static int -write_modbeg (int dosizeonly) -{ - DST_MODULE_BEGIN modbeg; - DST_MB_TRLR mb_trlr; - int i; - char *module_name, *m; - int modnamelen; - int prodnamelen; - int totsize = 0; - - /* Assumes primary filename has Unix syntax file spec. */ - module_name = xstrdup (basename ((char *) primary_filename)); - - m = strrchr (module_name, '.'); - if (m) - *m = 0; - - modnamelen = strlen (module_name); - for (i = 0; i < modnamelen; i++) - module_name[i] = TOUPPER (module_name[i]); - - prodnamelen = strlen (module_producer); - - modbeg.dst_a_modbeg_header.dst__header_length.dst_w_length - = DST_K_MODBEG_SIZE + modnamelen + DST_K_MB_TRLR_SIZE + prodnamelen - 1; - modbeg.dst_a_modbeg_header.dst__header_type.dst_w_type = DST_K_MODBEG; - modbeg.dst_b_modbeg_flags.dst_v_modbeg_hide = 0; - modbeg.dst_b_modbeg_flags.dst_v_modbeg_version = 1; - modbeg.dst_b_modbeg_flags.dst_v_modbeg_unused = 0; - modbeg.dst_b_modbeg_unused = 0; - modbeg.dst_l_modbeg_language = module_language; - modbeg.dst_w_version_major = DST_K_VERSION_MAJOR; - modbeg.dst_w_version_minor = DST_K_VERSION_MINOR; - modbeg.dst_b_modbeg_name = strlen (module_name); - - mb_trlr.dst_b_compiler = strlen (module_producer); - - totsize += write_debug_header (&modbeg.dst_a_modbeg_header, - "modbeg", dosizeonly); - totsize += write_debug_data1 (*((char *) &modbeg.dst_b_modbeg_flags), - "flags", dosizeonly); - totsize += write_debug_data1 (modbeg.dst_b_modbeg_unused, - "unused", dosizeonly); - totsize += write_debug_data4 (modbeg.dst_l_modbeg_language, - "language", dosizeonly); - totsize += write_debug_data2 (modbeg.dst_w_version_major, - "DST major version", dosizeonly); - totsize += write_debug_data2 (modbeg.dst_w_version_minor, - "DST minor version", dosizeonly); - totsize += write_debug_data1 (modbeg.dst_b_modbeg_name, - "length of module name", dosizeonly); - totsize += write_debug_string (module_name, "module name", dosizeonly); - totsize += write_debug_data1 (mb_trlr.dst_b_compiler, - "length of compiler name", dosizeonly); - totsize += write_debug_string (module_producer, "compiler name", dosizeonly); - - return totsize; -} - -/* Output a module end trailer and return the trailer size. Just return - the size if DOSIZEONLY is nonzero. */ - -static int -write_modend (int dosizeonly) -{ - DST_MODULE_END modend; - int totsize = 0; - - modend.dst_a_modend_header.dst__header_length.dst_w_length - = DST_K_MODEND_SIZE - 1; - modend.dst_a_modend_header.dst__header_type.dst_w_type = DST_K_MODEND; - - totsize += write_debug_header (&modend.dst_a_modend_header, "modend", - dosizeonly); - - return totsize; -} - -/* Output a routine begin header routine RTNNUM and return the header size. - Just return the size if DOSIZEONLY is nonzero. */ - -static int -write_rtnbeg (int rtnnum, int dosizeonly) -{ - char *rtnname; - int rtnnamelen; - char *rtnentryname; - int totsize = 0; - char label[MAX_ARTIFICIAL_LABEL_BYTES]; - DST_ROUTINE_BEGIN rtnbeg; - DST_PROLOG prolog; - vms_func_ref fde = &func_table[rtnnum]; - - rtnname = (char *)fde->vms_func_name; - rtnnamelen = strlen (rtnname); - rtnentryname = concat (rtnname, "..en", NULL); - - if (!strcmp (rtnname, "main")) - { - DST_HEADER header; - const char *go = "TRANSFER$BREAK$GO"; - - /* This command isn't documented in DSTRECORDS, so it's made to - look like what DEC C does */ - - /* header size - 1st byte + flag byte + STO_LW size - + string count byte + string length */ - header.dst__header_length.dst_w_length - = DST_K_DST_HEADER_SIZE - 1 + 1 + 4 + 1 + strlen (go); - header.dst__header_type.dst_w_type = 0x17; - - totsize += write_debug_header (&header, "transfer", dosizeonly); - - /* I think this is a flag byte, but I don't know what this flag means */ - totsize += write_debug_data1 (0x1, "flags ???", dosizeonly); - - /* Routine Begin PD Address */ - totsize += write_debug_addr (rtnname, "main procedure descriptor", - dosizeonly); - totsize += write_debug_data1 (strlen (go), "length of main_name", - dosizeonly); - totsize += write_debug_string ((char *) go, "main name", dosizeonly); - } - - /* The header length never includes the length byte. */ - rtnbeg.dst_a_rtnbeg_header.dst__header_length.dst_w_length - = DST_K_RTNBEG_SIZE + rtnnamelen - 1; - rtnbeg.dst_a_rtnbeg_header.dst__header_type.dst_w_type = DST_K_RTNBEG; - rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unused = 0; - rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_unalloc = 0; - rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_prototype = 0; - rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_inlined = 0; - rtnbeg.dst_b_rtnbeg_flags.dst_v_rtnbeg_no_call = 1; - rtnbeg.dst_b_rtnbeg_name = rtnnamelen; - - totsize += write_debug_header (&rtnbeg.dst_a_rtnbeg_header, "rtnbeg", - dosizeonly); - totsize += write_debug_data1 (*((char *) &rtnbeg.dst_b_rtnbeg_flags), - "flags", dosizeonly); - - /* Routine Begin Address */ - totsize += write_debug_addr (rtnentryname, "routine entry name", dosizeonly); - - /* Routine Begin PD Address */ - totsize += write_debug_addr (rtnname, "routine procedure descriptor", - dosizeonly); - - /* Routine Begin Name */ - totsize += write_debug_data1 (rtnbeg.dst_b_rtnbeg_name, - "length of routine name", dosizeonly); - - totsize += write_debug_string (rtnname, "routine name", dosizeonly); - - free (rtnentryname); - - if (debug_info_level > DINFO_LEVEL_TERSE) - { - prolog.dst_a_prolog_header.dst__header_length.dst_w_length - = DST_K_PROLOG_SIZE - 1; - prolog.dst_a_prolog_header.dst__header_type.dst_w_type = DST_K_PROLOG; - - totsize += write_debug_header (&prolog.dst_a_prolog_header, "prolog", - dosizeonly); - - ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, fde->funcdef_number); - totsize += write_debug_addr (label, "prolog breakpoint addr", - dosizeonly); - } - - return totsize; -} - -/* Output a routine end trailer for routine RTNNUM and return the header size. - Just return the size if DOSIZEONLY is nonzero. */ - -static int -write_rtnend (int rtnnum, int dosizeonly) -{ - DST_ROUTINE_END rtnend; - char label1[MAX_ARTIFICIAL_LABEL_BYTES]; - char label2[MAX_ARTIFICIAL_LABEL_BYTES]; - int totsize; - vms_func_ref fde = &func_table[rtnnum]; - int corrected_rtnnum = fde->funcdef_number; - - totsize = 0; - - rtnend.dst_a_rtnend_header.dst__header_length.dst_w_length - = DST_K_RTNEND_SIZE - 1; - rtnend.dst_a_rtnend_header.dst__header_type.dst_w_type = DST_K_RTNEND; - rtnend.dst_b_rtnend_unused = 0; - rtnend.dst_l_rtnend_size = 0; /* Calculated below. */ - - totsize += write_debug_header (&rtnend.dst_a_rtnend_header, "rtnend", - dosizeonly); - totsize += write_debug_data1 (rtnend.dst_b_rtnend_unused, "unused", - dosizeonly); - - ASM_GENERATE_INTERNAL_LABEL (label1, FUNC_BEGIN_LABEL, corrected_rtnnum); - ASM_GENERATE_INTERNAL_LABEL (label2, FUNC_END_LABEL, corrected_rtnnum); - totsize += write_debug_delta4 (label2, label1, "routine size", dosizeonly); - - return totsize; -} - -#define K_DELTA_PC(I) \ - ((I) < 128 ? -(I) : (I) < 65536 ? DST_K_DELTA_PC_W : DST_K_DELTA_PC_L) - -#define K_SET_LINUM(I) \ - ((I) < 256 ? DST_K_SET_LINUM_B \ - : (I) < 65536 ? DST_K_SET_LINUM : DST_K_SET_LINUM_L) - -#define K_INCR_LINUM(I) \ - ((I) < 256 ? DST_K_INCR_LINUM \ - : (I) < 65536 ? DST_K_INCR_LINUM_W : DST_K_INCR_LINUM_L) - -/* Output the PC to line number correlations and return the size. Just return - the size if DOSIZEONLY is nonzero */ - -static int -write_pclines (int dosizeonly) -{ - unsigned i; - int fn; - int ln, lastln; - int linestart = 0; - int max_line; - DST_LINE_NUM_HEADER line_num; - DST_PCLINE_COMMANDS pcline; - char label[MAX_ARTIFICIAL_LABEL_BYTES]; - char lastlabel[MAX_ARTIFICIAL_LABEL_BYTES]; - int totsize = 0; - char buff[256]; - - max_line = file_info_table[1].max_line; - file_info_table[1].listing_line_start = linestart; - linestart = linestart + ((max_line / 100000) + 1) * 100000; - - for (i = 2; i < file_info_table_in_use; i++) - { - max_line = file_info_table[i].max_line; - file_info_table[i].listing_line_start = linestart; - linestart = linestart + ((max_line / 10000) + 1) * 10000; - } - - /* Set starting address to beginning of text section. */ - line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 8; - line_num.dst_a_line_num_header.dst__header_type.dst_w_type = DST_K_LINE_NUM; - pcline.dst_b_pcline_command = DST_K_SET_ABS_PC; - - totsize += write_debug_header (&line_num.dst_a_line_num_header, - "line_num", dosizeonly); - totsize += write_debug_data1 (pcline.dst_b_pcline_command, - "line_num (SET ABS PC)", dosizeonly); - - if (dosizeonly) - totsize += 4; - else - { - ASM_OUTPUT_DEBUG_ADDR (asm_out_file, TEXT_SECTION_ASM_OP); - if (flag_verbose_asm) - fprintf (asm_out_file, "\t%s line_num", ASM_COMMENT_START); - fputc ('\n', asm_out_file); - } - - fn = line_info_table[1].dst_file_num; - ln = (file_info_table[fn].listing_line_start - + line_info_table[1].dst_line_num); - line_num.dst_a_line_num_header.dst__header_length.dst_w_length = 4 + 4; - pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; - - totsize += write_debug_header (&line_num.dst_a_line_num_header, - "line_num", dosizeonly); - totsize += write_debug_data1 (pcline.dst_b_pcline_command, - "line_num (SET LINUM LONG)", dosizeonly); - - sprintf (buff, "line_num (%d)", ln ? ln - 1 : 0); - totsize += write_debug_data4 (ln ? ln - 1 : 0, buff, dosizeonly); - - lastln = ln; - strcpy (lastlabel, TEXT_SECTION_ASM_OP); - for (i = 1; i < line_info_table_in_use; i++) - { - int extrabytes; - - fn = line_info_table[i].dst_file_num; - ln = (file_info_table[fn].listing_line_start - + line_info_table[i].dst_line_num); - - if (ln - lastln > 1) - extrabytes = 5; /* NUMBYTES (ln - lastln - 1) + 1; */ - else if (ln <= lastln) - extrabytes = 5; /* NUMBYTES (ln - 1) + 1; */ - else - extrabytes = 0; - - line_num.dst_a_line_num_header.dst__header_length.dst_w_length - = 8 + extrabytes; - - totsize += write_debug_header - (&line_num.dst_a_line_num_header, "line_num", dosizeonly); - - if (ln - lastln > 1) - { - int lndif = ln - lastln - 1; - - /* K_INCR_LINUM (lndif); */ - pcline.dst_b_pcline_command = DST_K_INCR_LINUM_L; - - totsize += write_debug_data1 (pcline.dst_b_pcline_command, - "line_num (INCR LINUM LONG)", - dosizeonly); - - sprintf (buff, "line_num (%d)", lndif); - totsize += write_debug_data4 (lndif, buff, dosizeonly); - } - else if (ln <= lastln) - { - /* K_SET_LINUM (ln-1); */ - pcline.dst_b_pcline_command = DST_K_SET_LINUM_L; - - totsize += write_debug_data1 (pcline.dst_b_pcline_command, - "line_num (SET LINUM LONG)", - dosizeonly); - - sprintf (buff, "line_num (%d)", ln - 1); - totsize += write_debug_data4 (ln - 1, buff, dosizeonly); - } - - pcline.dst_b_pcline_command = DST_K_DELTA_PC_L; - - totsize += write_debug_data1 (pcline.dst_b_pcline_command, - "line_num (DELTA PC LONG)", dosizeonly); - - ASM_GENERATE_INTERNAL_LABEL (label, LINE_CODE_LABEL, i); - totsize += write_debug_delta4 (label, lastlabel, "increment line_num", - dosizeonly); - - lastln = ln; - strcpy (lastlabel, label); - } - - return totsize; -} - -/* Output a source correlation for file FILEID using information saved in - FILE_INFO_ENTRY and return the size. Just return the size if DOSIZEONLY is - nonzero. */ - -static int -write_srccorr (int fileid, dst_file_info_entry file_info_entry, - int dosizeonly) -{ - int src_command_size; - int linesleft = file_info_entry.max_line; - int linestart = file_info_entry.listing_line_start; - int flen = file_info_entry.flen; - int linestodo = 0; - DST_SOURCE_CORR src_header; - DST_SRC_COMMAND src_command; - DST_SRC_COMMAND src_command_sf; - DST_SRC_COMMAND src_command_sl; - DST_SRC_COMMAND src_command_sr; - DST_SRC_COMMAND src_command_dl; - DST_SRC_CMDTRLR src_cmdtrlr; - char buff[256]; - int totsize = 0; - - if (fileid == 1) - { - src_header.dst_a_source_corr_header.dst__header_length.dst_w_length - = DST_K_SOURCE_CORR_HEADER_SIZE + 1 - 1; - src_header.dst_a_source_corr_header.dst__header_type.dst_w_type - = DST_K_SOURCE; - src_command.dst_b_src_command = DST_K_SRC_FORMFEED; - - totsize += write_debug_header (&src_header.dst_a_source_corr_header, - "source corr", dosizeonly); - - totsize += write_debug_data1 (src_command.dst_b_src_command, - "source_corr (SRC FORMFEED)", - dosizeonly); - } - - src_command_size - = DST_K_SRC_COMMAND_SIZE + flen + DST_K_SRC_CMDTRLR_SIZE; - src_command.dst_b_src_command = DST_K_SRC_DECLFILE; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length - = src_command_size - 2; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags = 0; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid - = fileid; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt - = file_info_entry.cdt; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk - = file_info_entry.ebk; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb - = file_info_entry.ffb; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo - = file_info_entry.rfo; - src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename - = file_info_entry.flen; - - src_header.dst_a_source_corr_header.dst__header_length.dst_w_length - = DST_K_SOURCE_CORR_HEADER_SIZE + src_command_size - 1; - src_header.dst_a_source_corr_header.dst__header_type.dst_w_type - = DST_K_SOURCE; - - src_cmdtrlr.dst_b_src_df_libmodname = 0; - - totsize += write_debug_header (&src_header.dst_a_source_corr_header, - "source corr", dosizeonly); - totsize += write_debug_data1 (src_command.dst_b_src_command, - "source_corr (DECL SRC FILE)", dosizeonly); - totsize += write_debug_data1 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_length, - "source_corr (length)", dosizeonly); - - totsize += write_debug_data1 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_flags, - "source_corr (flags)", dosizeonly); - - totsize += write_debug_data2 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_fileid, - "source_corr (fileid)", dosizeonly); - - totsize += write_debug_data8 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_q_src_df_rms_cdt, - "source_corr (creation date)", dosizeonly); - - totsize += write_debug_data4 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_l_src_df_rms_ebk, - "source_corr (EOF block number)", dosizeonly); - - totsize += write_debug_data2 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_w_src_df_rms_ffb, - "source_corr (first free byte)", dosizeonly); - - totsize += write_debug_data1 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_rms_rfo, - "source_corr (record and file organization)", dosizeonly); - - totsize += write_debug_data1 - (src_command.dst_a_src_cmd_fields.dst_a_src_decl_src.dst_b_src_df_filename, - "source_corr (filename length)", dosizeonly); - - totsize += write_debug_string (file_info_entry.file_name, - "source file name", dosizeonly); - totsize += write_debug_data1 (src_cmdtrlr.dst_b_src_df_libmodname, - "source_corr (libmodname)", dosizeonly); - - src_command_sf.dst_b_src_command = DST_K_SRC_SETFILE; - src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword = fileid; - - src_command_sr.dst_b_src_command = DST_K_SRC_SETREC_W; - src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword = 1; - - src_command_sl.dst_b_src_command = DST_K_SRC_SETLNUM_L; - src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong = linestart + 1; - - src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; - - if (linesleft > 65534) - linesleft = linesleft - 65534, linestodo = 65534; - else - linestodo = linesleft, linesleft = 0; - - src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; - - src_header.dst_a_source_corr_header.dst__header_length.dst_w_length - = DST_K_SOURCE_CORR_HEADER_SIZE + 3 + 3 + 5 + 3 - 1; - src_header.dst_a_source_corr_header.dst__header_type.dst_w_type - = DST_K_SOURCE; - - if (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword) - { - totsize += write_debug_header (&src_header.dst_a_source_corr_header, - "source corr", dosizeonly); - - totsize += write_debug_data1 (src_command_sf.dst_b_src_command, - "source_corr (src setfile)", dosizeonly); - - totsize += write_debug_data2 - (src_command_sf.dst_a_src_cmd_fields.dst_w_src_unsword, - "source_corr (fileid)", dosizeonly); - - totsize += write_debug_data1 (src_command_sr.dst_b_src_command, - "source_corr (setrec)", dosizeonly); - - totsize += write_debug_data2 - (src_command_sr.dst_a_src_cmd_fields.dst_w_src_unsword, - "source_corr (recnum)", dosizeonly); - - totsize += write_debug_data1 (src_command_sl.dst_b_src_command, - "source_corr (setlnum)", dosizeonly); - - totsize += write_debug_data4 - (src_command_sl.dst_a_src_cmd_fields.dst_l_src_unslong, - "source_corr (linenum)", dosizeonly); - - totsize += write_debug_data1 (src_command_dl.dst_b_src_command, - "source_corr (deflines)", dosizeonly); - - sprintf (buff, "source_corr (%d)", - src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); - totsize += write_debug_data2 - (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, - buff, dosizeonly); - - while (linesleft > 0) - { - src_header.dst_a_source_corr_header.dst__header_length.dst_w_length - = DST_K_SOURCE_CORR_HEADER_SIZE + 3 - 1; - src_header.dst_a_source_corr_header.dst__header_type.dst_w_type - = DST_K_SOURCE; - src_command_dl.dst_b_src_command = DST_K_SRC_DEFLINES_W; - - if (linesleft > 65534) - linesleft = linesleft - 65534, linestodo = 65534; - else - linestodo = linesleft, linesleft = 0; - - src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword = linestodo; - - totsize += write_debug_header (&src_header.dst_a_source_corr_header, - "source corr", dosizeonly); - totsize += write_debug_data1 (src_command_dl.dst_b_src_command, - "source_corr (deflines)", dosizeonly); - sprintf (buff, "source_corr (%d)", - src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword); - totsize += write_debug_data2 - (src_command_dl.dst_a_src_cmd_fields.dst_w_src_unsword, - buff, dosizeonly); - } - } - - return totsize; -} - -/* Output all the source correlation entries and return the size. Just return - the size if DOSIZEONLY is nonzero. */ - -static int -write_srccorrs (int dosizeonly) -{ - unsigned int i; - int totsize = 0; - - for (i = 1; i < file_info_table_in_use; i++) - totsize += write_srccorr (i, file_info_table[i], dosizeonly); - - return totsize; -} - -/* Output a marker (i.e. a label) for the beginning of a function, before - the prologue. */ - -static void -vmsdbgout_begin_prologue (unsigned int line, const char *file) -{ - char label[MAX_ARTIFICIAL_LABEL_BYTES]; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.begin_prologue) (line, file); - - if (debug_info_level > DINFO_LEVEL_NONE) - { - ASM_GENERATE_INTERNAL_LABEL (label, FUNC_BEGIN_LABEL, - current_function_funcdef_no); - ASM_OUTPUT_LABEL (asm_out_file, label); - } -} - -/* Output a marker (i.e. a label) for the beginning of a function, after - the prologue. */ - -static void -vmsdbgout_end_prologue (unsigned int line, const char *file) -{ - char label[MAX_ARTIFICIAL_LABEL_BYTES]; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.end_prologue) (line, file); - - if (debug_info_level > DINFO_LEVEL_TERSE) - { - ASM_GENERATE_INTERNAL_LABEL (label, FUNC_PROLOG_LABEL, - current_function_funcdef_no); - ASM_OUTPUT_LABEL (asm_out_file, label); - - /* VMS PCA expects every PC range to correlate to some line and file. */ - vmsdbgout_source_line (line, file); - } -} - -/* No output for VMS debug, but make obligatory call to Dwarf2 debug */ - -static void -vmsdbgout_end_function (unsigned int line) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.end_function) (line); -} - -/* Output a marker (i.e. a label) for the absolute end of the generated code - for a function definition. This gets called *after* the epilogue code has - been generated. */ - -static void -vmsdbgout_end_epilogue (unsigned int line, const char *file) -{ - char label[MAX_ARTIFICIAL_LABEL_BYTES]; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.end_epilogue) (line, file); - - if (debug_info_level > DINFO_LEVEL_NONE) - { - /* Output a label to mark the endpoint of the code generated for this - function. */ - ASM_GENERATE_INTERNAL_LABEL (label, FUNC_END_LABEL, - current_function_funcdef_no); - ASM_OUTPUT_LABEL (asm_out_file, label); - - /* VMS PCA expects every PC range to correlate to some line and file. */ - vmsdbgout_source_line (line, file); - } -} - -/* Output a marker (i.e. a label) for the beginning of the generated code for - a lexical block. */ - -static void -vmsdbgout_begin_block (register unsigned line, register unsigned blocknum) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.begin_block) (line, blocknum); - - if (debug_info_level > DINFO_LEVEL_TERSE) - targetm.asm_out.internal_label (asm_out_file, BLOCK_BEGIN_LABEL, blocknum); -} - -/* Output a marker (i.e. a label) for the end of the generated code for a - lexical block. */ - -static void -vmsdbgout_end_block (register unsigned line, register unsigned blocknum) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.end_block) (line, blocknum); - - if (debug_info_level > DINFO_LEVEL_TERSE) - targetm.asm_out.internal_label (asm_out_file, BLOCK_END_LABEL, blocknum); -} - -/* Not implemented in VMS Debug. */ - -static bool -vmsdbgout_ignore_block (tree block) -{ - bool retval = 0; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - retval = (*dwarf2_debug_hooks.ignore_block) (block); - - return retval; -} - -/* Add an entry for function DECL into the func_table. */ - -static void -vmsdbgout_begin_function (tree decl) -{ - const char *name = XSTR (XEXP (DECL_RTL (decl), 0), 0); - vms_func_ref fde; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.begin_function) (decl); - - if (func_table_in_use == func_table_allocated) - { - func_table_allocated += FUNC_TABLE_INCREMENT; - func_table - = (vms_func_ref) xrealloc (func_table, - func_table_allocated * sizeof (vms_func_node)); - } - - /* Add the new entry to the end of the function name table. */ - fde = &func_table[func_table_in_use++]; - fde->vms_func_name = xstrdup (name); - fde->funcdef_number = current_function_funcdef_no; - -} - -static char fullname_buff [4096]; - -/* Return the full file specification for FILENAME. The specification must be - in VMS syntax in order to be processed by VMS Debug. */ - -static char * -full_name (const char *filename) -{ -#ifdef VMS - FILE *fp = fopen (filename, "r"); - - fgetname (fp, fullname_buff, 1); - fclose (fp); -#else - getcwd (fullname_buff, sizeof (fullname_buff)); - - strcat (fullname_buff, "/"); - strcat (fullname_buff, filename); - - /* ??? Insert hairy code here to translate Unix style file specification - to VMS style. */ -#endif - - return fullname_buff; -} - -/* Lookup a filename (in the list of filenames that we know about here in - vmsdbgout.c) and return its "index". The index of each (known) filename is - just a unique number which is associated with only that one filename. We - need such numbers for the sake of generating labels and references - to those files numbers. If the filename given as an argument is not - found in our current list, add it to the list and assign it the next - available unique index number. In order to speed up searches, we remember - the index of the filename was looked up last. This handles the majority of - all searches. */ - -static unsigned int -lookup_filename (const char *file_name) -{ - static unsigned int last_file_lookup_index = 0; - register char *fn; - register unsigned i; - char *fnam; - long long cdt; - long ebk; - short ffb; - char rfo; - char flen; - struct stat statbuf; - - if (stat (file_name, &statbuf) == 0) - { - long gmtoff; -#ifdef VMS - struct tm *ts; - - /* Adjust for GMT. */ - ts = (struct tm *) localtime (&statbuf.st_ctime); - gmtoff = ts->tm_gmtoff; - - /* VMS has multiple file format types. */ - rfo = statbuf.st_fab_rfm; -#else - /* Is GMT adjustment an issue with a cross-compiler? */ - gmtoff = 0; - - /* Assume stream LF type file. */ - rfo = 2; -#endif - cdt = 10000000 * (statbuf.st_ctime + gmtoff + vms_epoch_offset); - ebk = statbuf.st_size / 512 + 1; - ffb = statbuf.st_size - ((statbuf.st_size / 512) * 512); - fnam = full_name (file_name); - flen = strlen (fnam); - } - else - { - cdt = 0; - ebk = 0; - ffb = 0; - rfo = 0; - fnam = (char *) ""; - flen = 0; - } - - /* Check to see if the file name that was searched on the previous call - matches this file name. If so, return the index. */ - if (last_file_lookup_index != 0) - { - fn = file_info_table[last_file_lookup_index].file_name; - if (strcmp (fnam, fn) == 0) - return last_file_lookup_index; - } - - /* Didn't match the previous lookup, search the table */ - for (i = 1; i < file_info_table_in_use; ++i) - { - fn = file_info_table[i].file_name; - if (strcmp (fnam, fn) == 0) - { - last_file_lookup_index = i; - return i; - } - } - - /* Prepare to add a new table entry by making sure there is enough space in - the table to do so. If not, expand the current table. */ - if (file_info_table_in_use == file_info_table_allocated) - { - - file_info_table_allocated += FILE_TABLE_INCREMENT; - file_info_table = xrealloc (file_info_table, - (file_info_table_allocated - * sizeof (dst_file_info_entry))); - } - - /* Add the new entry to the end of the filename table. */ - file_info_table[file_info_table_in_use].file_name = xstrdup (fnam); - file_info_table[file_info_table_in_use].max_line = 0; - file_info_table[file_info_table_in_use].cdt = cdt; - file_info_table[file_info_table_in_use].ebk = ebk; - file_info_table[file_info_table_in_use].ffb = ffb; - file_info_table[file_info_table_in_use].rfo = rfo; - file_info_table[file_info_table_in_use].flen = flen; - - last_file_lookup_index = file_info_table_in_use++; - return last_file_lookup_index; -} - -/* Output a label to mark the beginning of a source code line entry - and record information relating to this source line, in - 'line_info_table' for later output of the .debug_line section. */ - -static void -vmsdbgout_source_line (register unsigned line, register const char *filename) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.source_line) (line, filename); - - if (debug_info_level >= DINFO_LEVEL_TERSE) - { - dst_line_info_ref line_info; - - targetm.asm_out.internal_label (asm_out_file, LINE_CODE_LABEL, - line_info_table_in_use); - - /* Expand the line info table if necessary. */ - if (line_info_table_in_use == line_info_table_allocated) - { - line_info_table_allocated += LINE_INFO_TABLE_INCREMENT; - line_info_table = xrealloc (line_info_table, - (line_info_table_allocated - * sizeof (dst_line_info_entry))); - } - - /* Add the new entry at the end of the line_info_table. */ - line_info = &line_info_table[line_info_table_in_use++]; - line_info->dst_file_num = lookup_filename (filename); - line_info->dst_line_num = line; - if (line > file_info_table[line_info->dst_file_num].max_line) - file_info_table[line_info->dst_file_num].max_line = line; - } -} - -/* Record the beginning of a new source file, for later output. - At present, unimplemented. */ - -static void -vmsdbgout_start_source_file (unsigned int lineno, const char *filename) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.start_source_file) (lineno, filename); -} - -/* Record the end of a source file, for later output. - At present, unimplemented. */ - -static void -vmsdbgout_end_source_file (unsigned int lineno ATTRIBUTE_UNUSED) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.end_source_file) (lineno); -} - -/* Set up for Debug output at the start of compilation. */ - -static void -vmsdbgout_init (const char *main_input_filename) -{ - const char *language_string = lang_hooks.name; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.init) (main_input_filename); - - if (debug_info_level == DINFO_LEVEL_NONE) - return; - - /* Remember the name of the primary input file. */ - primary_filename = main_input_filename; - - /* Allocate the initial hunk of the file_info_table. */ - file_info_table - = xcalloc (FILE_TABLE_INCREMENT, sizeof (dst_file_info_entry)); - file_info_table_allocated = FILE_TABLE_INCREMENT; - - /* Skip the first entry - file numbers begin at 1 */ - file_info_table_in_use = 1; - - func_table = (vms_func_ref) xcalloc (FUNC_TABLE_INCREMENT, sizeof (vms_func_node)); - func_table_allocated = FUNC_TABLE_INCREMENT; - func_table_in_use = 1; - - /* Allocate the initial hunk of the line_info_table. */ - line_info_table - = xcalloc (LINE_INFO_TABLE_INCREMENT, sizeof (dst_line_info_entry)); - line_info_table_allocated = LINE_INFO_TABLE_INCREMENT; - /* zero-th entry is allocated, but unused */ - line_info_table_in_use = 1; - - lookup_filename (primary_filename); - - if (!strcmp (language_string, "GNU C")) - module_language = DST_K_C; - else if (!strcmp (language_string, "GNU C++")) - module_language = DST_K_CXX; - else if (!strcmp (language_string, "GNU Ada")) - module_language = DST_K_ADA; - else if (!strcmp (language_string, "GNU F77")) - module_language = DST_K_FORTRAN; - else - module_language = DST_K_UNKNOWN; - - module_producer = concat (language_string, " ", version_string, NULL); - - ASM_GENERATE_INTERNAL_LABEL (text_end_label, TEXT_END_LABEL, 0); - -} - -/* Not implemented in VMS Debug. */ - -static void -vmsdbgout_define (unsigned int lineno, const char *buffer) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.define) (lineno, buffer); -} - -/* Not implemented in VMS Debug. */ - -static void -vmsdbgout_undef (unsigned int lineno, const char *buffer) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.undef) (lineno, buffer); -} - -/* Not implemented in VMS Debug. */ - -static void -vmsdbgout_decl (tree decl) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.function_decl) (decl); -} - -/* Not implemented in VMS Debug. */ - -static void -vmsdbgout_global_decl (tree decl) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.global_decl) (decl); -} - -/* Not implemented in VMS Debug. */ - -static void -vmsdbgout_abstract_function (tree decl) -{ - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.outlining_inline_function) (decl); -} - -/* Output stuff that Debug requires at the end of every file and generate the - VMS Debug debugging info. */ - -static void -vmsdbgout_finish (const char *main_input_filename ATTRIBUTE_UNUSED) -{ - unsigned int i; - int totsize; - - if (write_symbols == VMS_AND_DWARF2_DEBUG) - (*dwarf2_debug_hooks.finish) (main_input_filename); - - if (debug_info_level == DINFO_LEVEL_NONE) - return; - - /* Output a terminator label for the .text section. */ - switch_to_section (text_section); - targetm.asm_out.internal_label (asm_out_file, TEXT_END_LABEL, 0); - - /* Output debugging information. - Warning! Do not change the name of the .vmsdebug section without - changing it in the assembler also. */ - switch_to_section (get_named_section (NULL, ".vmsdebug", 0)); - ASM_OUTPUT_ALIGN (asm_out_file, 0); - - totsize = write_modbeg (1); - for (i = 1; i < func_table_in_use; i++) - { - totsize += write_rtnbeg (i, 1); - totsize += write_rtnend (i, 1); - } - totsize += write_pclines (1); - - write_modbeg (0); - for (i = 1; i < func_table_in_use; i++) - { - write_rtnbeg (i, 0); - write_rtnend (i, 0); - } - write_pclines (0); - - if (debug_info_level > DINFO_LEVEL_TERSE) - { - totsize = write_srccorrs (1); - write_srccorrs (0); - } - - totsize = write_modend (1); - write_modend (0); -} -#endif /* VMS_DEBUGGING_INFO */ |