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* aoutx.h (translate_from_native_sym_flags): Now handles indirect

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symbols in a better way. (translate_to_native_sym_flag): Set the
	N_INDR bit when necessary. (aout<>slurp_symbol_table): Maintain
	indirect state.
	* section.c: Added BFD_IND_SECTION_NAME and bfd_ind_section.
	(bfd_make_section): Cope with new builtin section.
	* syms.c (bfd_decode_symclass): Can now print indirect section
	info.
This commit is contained in:
Steve Chamberlain 1993-03-30 17:40:51 +00:00
parent 39d4b51986
commit 21c7770362
2 changed files with 53 additions and 11 deletions
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21
bfd/ChangeLog
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@ -1,3 +1,24 @@
Tue Mar 30 09:33:16 1993 Steve Chamberlain (sac@thepub.cygnus.com)
* aoutx.h (translate_from_native_sym_flags): Now handles indirect
symbols in a better way. (translate_to_native_sym_flag): Set the
N_INDR bit when necessary. (aout<>slurp_symbol_table): Maintain
indirect state.
* section.c: Added BFD_IND_SECTION_NAME and bfd_ind_section.
(bfd_make_section): Cope with new builtin section.
* syms.c (bfd_decode_symclass): Can now print indirect section
info.
Wed Mar 24 13:36:33 1993 Per Bothner (bothner@rtl.cygnus.com)
* aout-target.h (MY(object_p)): Fail if MACHTYPE_OK is
defined, and yields false.
* aout-mipsbsd.c, i386bsd.c: Define MACHTYPE_OK appropriately.
* archive.c (snarf_ar_hdr): Add support for reading (only,
so far) BSD-4.4-style extended headers.
* archive.c: Some more comments.
Wed Mar 24 02:05:10 1993 david d `zoo' zuhn (zoo at poseidon.cygnus.com)
* Makefile.in: fix rule for dvi and info, so that the recursive

43
bfd/section.c
View File

@ -1,5 +1,5 @@
/* Object file "section" support for the BFD library.
Copyright (C) 1990-1991 Free Software Foundation, Inc.
Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
@ -220,15 +220,13 @@ CODE_FRAGMENT
. {* The section is a constuctor, and should be placed at the
. end of the . *}
.
.
.#define SEC_CONSTRUCTOR_TEXT 0x1100
.
.#define SEC_CONSTRUCTOR_DATA 0x2100
.
.#define SEC_CONSTRUCTOR_BSS 0x3100
.
.
. {* The section has contents - a bss section could be
. {* The section has contents - a data section could be
. <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>, a debug section could be
. <<SEC_HAS_CONTENTS>> *}
.
@ -240,7 +238,19 @@ CODE_FRAGMENT
.
.#define SEC_NEVER_LOAD 0x400
.
. {* The section is a shared library section. The linker must leave
. these completely alone, as the vma and size are used when
. the executable is loaded. *}
.
.#define SEC_SHARED_LIBRARY 0x800
.
. {* The section is a common section (symbols may be defined
. multiple times, the value of a symbol is the amount of
. space it requires, and the largest symbol value is the one
. used). Most targets have exactly one of these (.bss), but
. ECOFF has two. *}
.
.#define SEC_IS_COMMON 0x8000
.
. bfd_vma vma;
. boolean user_set_vma;
@ -348,6 +358,7 @@ CODE_FRAGMENT
.#define BFD_ABS_SECTION_NAME "*ABS*"
.#define BFD_UND_SECTION_NAME "*UND*"
.#define BFD_COM_SECTION_NAME "*COM*"
.#define BFD_IND_SECTION_NAME "*IND*"
.
. {* the absolute section *}
. extern asection bfd_abs_section;
@ -355,10 +366,13 @@ CODE_FRAGMENT
. extern asection bfd_und_section;
. {* Pointer to the common section *}
. extern asection bfd_com_section;
. {* Pointer to the indirect section *}
. extern asection bfd_ind_section;
.
. extern struct symbol_cache_entry *bfd_abs_symbol;
. extern struct symbol_cache_entry *bfd_com_symbol;
. extern struct symbol_cache_entry *bfd_und_symbol;
. extern struct symbol_cache_entry *bfd_ind_symbol;
.#define bfd_get_section_size_before_reloc(section) \
. (section->reloc_done ? (abort(),1): (section)->_raw_size)
.#define bfd_get_section_size_after_reloc(section) \
@ -368,21 +382,23 @@ CODE_FRAGMENT
/* These symbols are global, not specific to any BFD. Therefore, anything
that tries to change them is broken, and should be repaired. */
static CONST asymbol global_syms[] = {
/* bfd, name, value, attr, section [, udata] */
/* the_bfd, name, value, attr, section [, udata] */
{ 0, BFD_COM_SECTION_NAME, 0, BSF_SECTION_SYM, &bfd_com_section },
{ 0, BFD_UND_SECTION_NAME, 0, BSF_SECTION_SYM, &bfd_und_section },
{ 0, BFD_ABS_SECTION_NAME, 0, BSF_SECTION_SYM, &bfd_abs_section },
{ 0, BFD_IND_SECTION_NAME, 0, BSF_SECTION_SYM, &bfd_ind_section },
};
#define STD_SECTION(SEC,SYM,NAME, IDX) \
#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
asymbol *SYM = (asymbol *) &global_syms[IDX]; \
asection SEC = { NAME, 0, 0, 0, 0, (boolean) 0, 0, 0, 0, &SEC,\
asection SEC = { NAME, 0, 0, FLAGS, 0, (boolean) 0, 0, 0, 0, &SEC,\
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (boolean) 0, \
(asymbol *) &global_syms[IDX], &SYM, }
STD_SECTION (bfd_com_section, bfd_com_symbol, BFD_COM_SECTION_NAME, 0);
STD_SECTION (bfd_und_section, bfd_und_symbol, BFD_UND_SECTION_NAME, 1);
STD_SECTION (bfd_abs_section, bfd_abs_symbol, BFD_ABS_SECTION_NAME, 2);
STD_SECTION (bfd_com_section, SEC_IS_COMMON, bfd_com_symbol, BFD_COM_SECTION_NAME, 0);
STD_SECTION (bfd_und_section, 0, bfd_und_symbol, BFD_UND_SECTION_NAME, 1);
STD_SECTION (bfd_abs_section, 0, bfd_abs_symbol, BFD_ABS_SECTION_NAME, 2);
STD_SECTION (bfd_ind_section, 0, bfd_ind_symbol, BFD_IND_SECTION_NAME, 3);
#undef STD_SECTION
/*
@ -510,6 +526,11 @@ DEFUN(bfd_make_section,(abfd, name),
{
return &bfd_und_section;
}
if (strcmp(name, BFD_IND_SECTION_NAME) == 0)
{
return &bfd_ind_section;
}
while (sect) {
if (!strcmp(sect->name, name)) return NULL;
@ -730,7 +751,7 @@ DEFUN(bfd_set_section_contents,(abfd, section, location, offset, count),
{
bfd_size_type sz;
if (!(bfd_get_section_flags(abfd, section) & SEC_HAS_CONTENTS))
if (!bfd_get_section_flags(abfd, section) & SEC_HAS_CONTENTS)
{
bfd_error = no_contents;
return(false);