old-cross-binutils/gdb/gdb-stabs.h

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/* Definitions for symbol-reading containing "stabs", for GDB.
Copyright 1992 Free Software Foundation, Inc.
Contributed by Cygnus Support. Written by John Gilmore.
This file is part of GDB.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* This file exists to hold the common definitions required of most of
the symbol-readers that end up using stabs. The common use of
these `symbol-type-specific' customizations of the generic data
structures makes the stabs-oriented symbol readers able to call
each others' functions as required. */
#if !defined (GDBSTABS_H)
#define GDBSTABS_H
/* Offsets in the psymtab's section_offsets array for various kinds of
stabs symbols. Every psymtab built from stabs will have these offsets
filled in by these guidelines, so that when actually reading symbols, the
proper offset can simply be selected and added to the symbol value. */
#define SECT_OFF_TEXT 0
#define SECT_OFF_DATA 1
#define SECT_OFF_BSS 2
#define SECT_OFF_RODATA 3
#define SECT_OFF_MAX 4 /* Count of possible values */
/* The stab_section_info chain remembers info from the ELF symbol table,
while psymtabs are being built for the other symbol tables in the
objfile. It is destroyed at the complation of psymtab-reading.
Any info that was used from it has been copied into psymtabs. */
struct stab_section_info {
char *filename;
CORE_ADDR sections[SECT_OFF_MAX];
struct stab_section_info *next;
int found; /* Count of times it's found in searching */
};
/* Information is passed among various dbxread routines for accessing
symbol files. A pointer to this structure is kept in the sym_stab_info
field of the objfile struct. */
struct dbx_symfile_info {
* stabsread.h (struct stab_section_list): Define. (coffstab_build_psymtabs): Remove staboff and stabsize parameters. Add textaddr, textsize, and stabs parameters. * gdb-stabs.h (struct dbx_symfile_info): Remove text_sect field. Add text_addr and text_size fields. (DBX_TEXT_SECT): Don't define. (DBX_TEXT_ADDR, DBX_TEXT_SIZE): Define. * coffread.c: Include <ctype.h>. (struct coff_symfile_info): Remove stabsect and stabindexsect fields. Add textaddr, textsize, and stabsects fields. (coff_locate_sections): Record the address of the .text section, and total the sizes of all sections with names beginning with ".text". Don't bother to record a .stab.index section (COFF doesn't use them). Make a linked list of all sections with names beginning with ".stab". (coff_symfile_read): Adjust call to coffstab_build_psymtabs for new parameters. * dbxread.c (dbx_symfile_read): Use DBX_TEXT_ADDR and DBX_TEXT_SIZE, rather than getting both from DBX_TEXT_SECT. (dbx_symfile_init): Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. (elfstab_build_psymtabs): Likewise. (stabsect_build_psymtabs): Likewise. (symbuf_sections, symbuf_left, symbuf_read): New static variables. (fill_symbuf): If symbuf_sections is not NULL, read symbols from multiple sections. (coffstab_build_psymtabs): Remove staboffset and stabsize parameters. Add textaddr, textsize, and stabsects parameters. Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. Handle multiple stabs sections. * os9kread.c (os9k_symfile_read): Use DBX_TEXT_ADDR and DBX_TEXT_SIZE, rather than getting both from DBX_TEXT_SECT. (os9k_symfile_init): Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. PR 7241.
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CORE_ADDR text_addr; /* Start of text section */
int text_size; /* Size of text section */
int symcount; /* How many symbols are there in the file */
char *stringtab; /* The actual string table */
int stringtab_size; /* Its size */
file_ptr symtab_offset; /* Offset in file to symbol table */
int symbol_size; /* Bytes in a single symbol */
struct stab_section_info *stab_section_info; /* section starting points
of the original .o files before linking. */
/* See stabsread.h for the use of the following. */
struct header_file *header_files;
int n_header_files;
int n_allocated_header_files;
* Makefile.in configure configure.in: Remove ENABLE_CLIBS, ENABLE_OBS, and THREAD_DB_OBS. These are consolidated into LIBS and CONFIG_OBS. * configure configure.in: Clean up test cases around thread support. start-sanitize-v850 * configure.tgt (v850-*-*): Include v850ice.o and v850.lib if host is Windows. end-sanitize-v850 * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c printcmd.c valops.c value.h values.c: Add bfd_section arg to value_at and value_at_lazy. * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h: Add bfd_section arg to prim_record_minimal_symbol_and_info. * corefile.c gdbcore.h printcmd.c valops.c: Use read_memory_section instead of read_memory. It takes a bfd_section arg. * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h: Remove unnecessary cast for assignment of struct dbx_symfile_info. Struct objfile now uses a real pointer instead of PTR for this element. * dbxread.c (dbx_symfile_init): Stash bfd section pointers for text, data and bss into dbx_symfile_info. * exec.c (xfer_memory): Handle transfers for user-specified sections. * findvar.c (read_var_value locate_var_value): Copy bfd section from the symbol to the value. * gdb-stabs.h: Add section pointers for text, data and bss sections. * maint.c (translate address command): Add test code for overlay address translation. * printcmd.c (do_examine do_one_display): Now takes a bfd section arg. * (print_formatted x_command): Record current section along with current address for repeated commands. * sparc-nat.c (fetch_inferior_registers): Change target_xfer_memory to target_{read write}_memory to allow changes to target_xfer_memory interface for section info. * symmisc.c (dump_msymbols print_symbol): Print section assocaited with symbol. * symtab.c (fixup_symbol_section): New routine to add section info to symbols returned by lookup_symbol. * symtab.h (struct general_symbol_info): Add bfd section to symbols. * target.c target.h (target_xfer_memory): Add bfd section to args. * (target_read_memory_section): New routine to read data from a specific section. * (target_memory_bfd_section): New global variable to pass bfd section in to targets. * valarith.c (value_add value_addr value_array): Preserve bfd section when computing new value. * value.h (struct value): Add bfd section to values. * values.c (allocate_value value_copy): Initialize/preserve bfd section. * (unpack_double): Clean up _MSC_VER conditionals to remove duplicate code. start-sanitize-v850 * v850ice.c: New module to support communication with NEC's PC-based ICE. * config/v850/tm-v850.h (REGISTER_NAMES): Replace sp, gp, fp, and ep names with rxx names. sp and fp are renamed via a different mechanism. end-sanitize-v850
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/* Pointers to BFD sections. These are used to speed up the building of
minimal symbols. */
asection *text_section;
asection *data_section;
asection *bss_section;
};
* Makefile.in configure configure.in: Remove ENABLE_CLIBS, ENABLE_OBS, and THREAD_DB_OBS. These are consolidated into LIBS and CONFIG_OBS. * configure configure.in: Clean up test cases around thread support. start-sanitize-v850 * configure.tgt (v850-*-*): Include v850ice.o and v850.lib if host is Windows. end-sanitize-v850 * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c printcmd.c valops.c value.h values.c: Add bfd_section arg to value_at and value_at_lazy. * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h: Add bfd_section arg to prim_record_minimal_symbol_and_info. * corefile.c gdbcore.h printcmd.c valops.c: Use read_memory_section instead of read_memory. It takes a bfd_section arg. * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h: Remove unnecessary cast for assignment of struct dbx_symfile_info. Struct objfile now uses a real pointer instead of PTR for this element. * dbxread.c (dbx_symfile_init): Stash bfd section pointers for text, data and bss into dbx_symfile_info. * exec.c (xfer_memory): Handle transfers for user-specified sections. * findvar.c (read_var_value locate_var_value): Copy bfd section from the symbol to the value. * gdb-stabs.h: Add section pointers for text, data and bss sections. * maint.c (translate address command): Add test code for overlay address translation. * printcmd.c (do_examine do_one_display): Now takes a bfd section arg. * (print_formatted x_command): Record current section along with current address for repeated commands. * sparc-nat.c (fetch_inferior_registers): Change target_xfer_memory to target_{read write}_memory to allow changes to target_xfer_memory interface for section info. * symmisc.c (dump_msymbols print_symbol): Print section assocaited with symbol. * symtab.c (fixup_symbol_section): New routine to add section info to symbols returned by lookup_symbol. * symtab.h (struct general_symbol_info): Add bfd section to symbols. * target.c target.h (target_xfer_memory): Add bfd section to args. * (target_read_memory_section): New routine to read data from a specific section. * (target_memory_bfd_section): New global variable to pass bfd section in to targets. * valarith.c (value_add value_addr value_array): Preserve bfd section when computing new value. * value.h (struct value): Add bfd section to values. * values.c (allocate_value value_copy): Initialize/preserve bfd section. * (unpack_double): Clean up _MSC_VER conditionals to remove duplicate code. start-sanitize-v850 * v850ice.c: New module to support communication with NEC's PC-based ICE. * config/v850/tm-v850.h (REGISTER_NAMES): Replace sp, gp, fp, and ep names with rxx names. sp and fp are renamed via a different mechanism. end-sanitize-v850
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#define DBX_SYMFILE_INFO(o) ((o)->sym_stab_info)
* stabsread.h (struct stab_section_list): Define. (coffstab_build_psymtabs): Remove staboff and stabsize parameters. Add textaddr, textsize, and stabs parameters. * gdb-stabs.h (struct dbx_symfile_info): Remove text_sect field. Add text_addr and text_size fields. (DBX_TEXT_SECT): Don't define. (DBX_TEXT_ADDR, DBX_TEXT_SIZE): Define. * coffread.c: Include <ctype.h>. (struct coff_symfile_info): Remove stabsect and stabindexsect fields. Add textaddr, textsize, and stabsects fields. (coff_locate_sections): Record the address of the .text section, and total the sizes of all sections with names beginning with ".text". Don't bother to record a .stab.index section (COFF doesn't use them). Make a linked list of all sections with names beginning with ".stab". (coff_symfile_read): Adjust call to coffstab_build_psymtabs for new parameters. * dbxread.c (dbx_symfile_read): Use DBX_TEXT_ADDR and DBX_TEXT_SIZE, rather than getting both from DBX_TEXT_SECT. (dbx_symfile_init): Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. (elfstab_build_psymtabs): Likewise. (stabsect_build_psymtabs): Likewise. (symbuf_sections, symbuf_left, symbuf_read): New static variables. (fill_symbuf): If symbuf_sections is not NULL, read symbols from multiple sections. (coffstab_build_psymtabs): Remove staboffset and stabsize parameters. Add textaddr, textsize, and stabsects parameters. Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. Handle multiple stabs sections. * os9kread.c (os9k_symfile_read): Use DBX_TEXT_ADDR and DBX_TEXT_SIZE, rather than getting both from DBX_TEXT_SECT. (os9k_symfile_init): Set DBX_TEXT_ADDR and DBX_TEXT_SIZE, not DBX_TEXT_SECT. PR 7241.
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#define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr)
#define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size)
#define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount)
#define DBX_STRINGTAB(o) (DBX_SYMFILE_INFO(o)->stringtab)
#define DBX_STRINGTAB_SIZE(o) (DBX_SYMFILE_INFO(o)->stringtab_size)
#define DBX_SYMTAB_OFFSET(o) (DBX_SYMFILE_INFO(o)->symtab_offset)
#define DBX_SYMBOL_SIZE(o) (DBX_SYMFILE_INFO(o)->symbol_size)
* Makefile.in configure configure.in: Remove ENABLE_CLIBS, ENABLE_OBS, and THREAD_DB_OBS. These are consolidated into LIBS and CONFIG_OBS. * configure configure.in: Clean up test cases around thread support. start-sanitize-v850 * configure.tgt (v850-*-*): Include v850ice.o and v850.lib if host is Windows. end-sanitize-v850 * c-valprint.c ch-valprint.c cp-valprint.c eval.c expprint.c printcmd.c valops.c value.h values.c: Add bfd_section arg to value_at and value_at_lazy. * coffread.c dbxread.c elfread.c mdebugread.c minsyms.c symtab.h: Add bfd_section arg to prim_record_minimal_symbol_and_info. * corefile.c gdbcore.h printcmd.c valops.c: Use read_memory_section instead of read_memory. It takes a bfd_section arg. * coffread.c dbxread.c elfread.c gdb-stabs.h objfiles.h: Remove unnecessary cast for assignment of struct dbx_symfile_info. Struct objfile now uses a real pointer instead of PTR for this element. * dbxread.c (dbx_symfile_init): Stash bfd section pointers for text, data and bss into dbx_symfile_info. * exec.c (xfer_memory): Handle transfers for user-specified sections. * findvar.c (read_var_value locate_var_value): Copy bfd section from the symbol to the value. * gdb-stabs.h: Add section pointers for text, data and bss sections. * maint.c (translate address command): Add test code for overlay address translation. * printcmd.c (do_examine do_one_display): Now takes a bfd section arg. * (print_formatted x_command): Record current section along with current address for repeated commands. * sparc-nat.c (fetch_inferior_registers): Change target_xfer_memory to target_{read write}_memory to allow changes to target_xfer_memory interface for section info. * symmisc.c (dump_msymbols print_symbol): Print section assocaited with symbol. * symtab.c (fixup_symbol_section): New routine to add section info to symbols returned by lookup_symbol. * symtab.h (struct general_symbol_info): Add bfd section to symbols. * target.c target.h (target_xfer_memory): Add bfd section to args. * (target_read_memory_section): New routine to read data from a specific section. * (target_memory_bfd_section): New global variable to pass bfd section in to targets. * valarith.c (value_add value_addr value_array): Preserve bfd section when computing new value. * value.h (struct value): Add bfd section to values. * values.c (allocate_value value_copy): Initialize/preserve bfd section. * (unpack_double): Clean up _MSC_VER conditionals to remove duplicate code. start-sanitize-v850 * v850ice.c: New module to support communication with NEC's PC-based ICE. * config/v850/tm-v850.h (REGISTER_NAMES): Replace sp, gp, fp, and ep names with rxx names. sp and fp are renamed via a different mechanism. end-sanitize-v850
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#define DBX_TEXT_SECTION(o) (DBX_SYMFILE_INFO(o)->text_section)
#define DBX_DATA_SECTION(o) (DBX_SYMFILE_INFO(o)->data_section)
#define DBX_BSS_SECTION(o) (DBX_SYMFILE_INFO(o)->bss_section)
#endif /* GDBSTABS_H */