(struct sec): Move position of user_set_vma, and document it.
(SEC_BALIGN): Disable for now. I don't think it's currently used.
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@ -152,7 +152,6 @@ CODE_FRAGMENT
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.
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. CONST char *name;
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.
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.
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. {* Which section is it 0.nth *}
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.
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. int index;
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@ -172,36 +171,31 @@ CODE_FRAGMENT
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. {* Tells the OS to allocate space for this section when loaded.
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. This would clear for a section containing debug information
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. only. *}
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.
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.
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.#define SEC_ALLOC 0x001
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.
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. {* Tells the OS to load the section from the file when loading.
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. This would be clear for a .bss section *}
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.
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.#define SEC_LOAD 0x002
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.
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. {* The section contains data still to be relocated, so there will
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. be some relocation information too. *}
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.
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.#define SEC_RELOC 0x004
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.
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. {* Obsolete ? *}
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.
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.#if 0 {* Obsolete ? *}
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.#define SEC_BALIGN 0x008
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.#endif
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.
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. {* A signal to the OS that the section contains read only
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. data. *}
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.#define SEC_READONLY 0x010
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.
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. {* The section contains code only. *}
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.
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.#define SEC_CODE 0x020
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.
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. {* The section contains data only. *}
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.
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.#define SEC_DATA 0x040
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.#define SEC_DATA 0x040
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.
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. {* The section will reside in ROM. *}
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.
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.#define SEC_ROM 0x080
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.
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. {* The section contains constructor information. This section
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@ -214,47 +208,54 @@ CODE_FRAGMENT
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. sections called <<__CTOR_LIST__>> and relocte the data
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. contained within - exactly the operations it would peform on
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. standard data. *}
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.
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.#define SEC_CONSTRUCTOR 0x100
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.
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. {* The section is a constuctor, and should be placed at the
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. end of the . *}
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.
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. end of the text, data, or bss section(?). *}
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.#define SEC_CONSTRUCTOR_TEXT 0x1100
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.
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.#define SEC_CONSTRUCTOR_DATA 0x2100
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.
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.#define SEC_CONSTRUCTOR_BSS 0x3100
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.
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. {* The section has contents - a data section could be
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. <<SEC_ALLOC>> | <<SEC_HAS_CONTENTS>>, a debug section could be
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. <<SEC_HAS_CONTENTS>> *}
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.
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.#define SEC_HAS_CONTENTS 0x200
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.
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. {* An instruction to the linker not to output sections
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. containing this flag even if they have information which
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. would normally be written. *}
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.
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.#define SEC_NEVER_LOAD 0x400
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.
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. {* The section is a shared library section. The linker must leave
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. these completely alone, as the vma and size are used when
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. the executable is loaded. *}
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.
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.#define SEC_SHARED_LIBRARY 0x800
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.
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. {* The section is a common section (symbols may be defined
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. multiple times, the value of a symbol is the amount of
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. space it requires, and the largest symbol value is the one
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. used). Most targets have exactly one of these (.bss), but
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. ECOFF has two. *}
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.
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. used). Most targets have exactly one of these (which we
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. translate to bfd_com_section), but ECOFF has two. *}
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.#define SEC_IS_COMMON 0x8000
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.
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.
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. {* End of section flags. *}
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.
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. {* The virtual memory address of the section - where it will be
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. at run time. The symbols are relocated against this. The
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. user_set_vma flag is maintained by bfd; if it's not set, the
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. backend can assign addresses (for example, in <<a.out>>, where
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. the default address for <<.data>> is dependent on the specific
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. target and various flags). *}
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.
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. bfd_vma vma;
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. boolean user_set_vma;
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.
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. {* The load address of the section - where it would be in a
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. rom image, really only used for writing section header
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. information. *}
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.
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. bfd_vma lma;
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.
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. {* The size of the section in bytes, as it will be output.
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. contains a value even if the section has no contents (eg, the
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. size of <<.bss>>). This will be filled in after relocation *}
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@ -298,9 +299,9 @@ CODE_FRAGMENT
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. unsigned reloc_count;
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.
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. {* Information below is back end specific - and not always used
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. or updated
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. or updated. *}
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.
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. File position of section data *}
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. {* File position of section data *}
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.
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. file_ptr filepos;
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.
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@ -350,29 +351,33 @@ CODE_FRAGMENT
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. {* A symbol which points at this section only *}
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. struct symbol_cache_entry *symbol;
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. struct symbol_cache_entry **symbol_ptr_ptr;
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.
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. struct bfd_seclet *seclets_head;
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. struct bfd_seclet *seclets_tail;
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.} asection ;
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.
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.
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. {* These sections are global, and are managed by BFD. The application
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. and target back end are not permitted to change the values in
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. these sections. *}
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.#define BFD_ABS_SECTION_NAME "*ABS*"
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.#define BFD_UND_SECTION_NAME "*UND*"
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.#define BFD_COM_SECTION_NAME "*COM*"
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.#define BFD_IND_SECTION_NAME "*IND*"
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.
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. {* the absolute section *}
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. extern asection bfd_abs_section;
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.extern asection bfd_abs_section;
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. {* Pointer to the undefined section *}
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. extern asection bfd_und_section;
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.extern asection bfd_und_section;
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. {* Pointer to the common section *}
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. extern asection bfd_com_section;
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.extern asection bfd_com_section;
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. {* Pointer to the indirect section *}
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. extern asection bfd_ind_section;
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.extern asection bfd_ind_section;
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.
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. extern struct symbol_cache_entry *bfd_abs_symbol;
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. extern struct symbol_cache_entry *bfd_com_symbol;
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. extern struct symbol_cache_entry *bfd_und_symbol;
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. extern struct symbol_cache_entry *bfd_ind_symbol;
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.extern struct symbol_cache_entry *bfd_abs_symbol;
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.extern struct symbol_cache_entry *bfd_com_symbol;
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.extern struct symbol_cache_entry *bfd_und_symbol;
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.extern struct symbol_cache_entry *bfd_ind_symbol;
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.#define bfd_get_section_size_before_reloc(section) \
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. (section->reloc_done ? (abort(),1): (section)->_raw_size)
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.#define bfd_get_section_size_after_reloc(section) \
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@ -391,7 +396,7 @@ static CONST asymbol global_syms[] = {
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#define STD_SECTION(SEC, FLAGS, SYM, NAME, IDX) \
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asymbol *SYM = (asymbol *) &global_syms[IDX]; \
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asection SEC = { NAME, 0, 0, FLAGS, 0, (boolean) 0, 0, 0, 0, &SEC,\
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asection SEC = { NAME, 0, 0, FLAGS, 0, 0, (boolean) 0, 0, 0, 0, &SEC,\
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, (boolean) 0, \
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(asymbol *) &global_syms[IDX], &SYM, }
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@ -757,7 +762,7 @@ DEFUN(bfd_set_section_contents,(abfd, section, location, offset, count),
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return(false);
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}
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if (offset < 0 || count < 0)
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if (offset < 0)
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{
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bad_val:
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bfd_error = bad_value;
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@ -769,6 +774,24 @@ DEFUN(bfd_set_section_contents,(abfd, section, location, offset, count),
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|| offset + count > sz)
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goto bad_val;
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switch (abfd->direction)
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{
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case read_direction:
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case no_direction:
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bfd_error = invalid_operation;
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return false;
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case write_direction:
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break;
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case both_direction:
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/* File is opened for update. `output_has_begun' some time ago when
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the file was created. Do not recompute sections sizes or alignments
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in _bfd_set_section_content. */
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abfd->output_has_begun = true;
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break;
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}
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if (BFD_SEND (abfd, _bfd_set_section_contents,
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(abfd, section, location, offset, count)))
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{
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@ -818,7 +841,7 @@ DEFUN(bfd_get_section_contents,(abfd, section, location, offset, count),
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return true;
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}
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if (offset < 0 || count < 0)
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if (offset < 0)
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{
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bad_val:
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bfd_error = bad_value;
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