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authorJohn Gilmore <gnu@cygnus>1991-05-10 23:51:35 +0000
committerJohn Gilmore <gnu@cygnus>1991-05-10 23:51:35 +0000
commit69ebee8678d423ef9b0eb88e0f74f998d3dc258c (patch)
tree0abe990af39f0d4664e40ed63616f6dcc5f5ceee /bfd/libaout.h
parented9c0d48e0c7b822ab384e8d29d18ff60e7fd3ff (diff)
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Split up a.out handlers into generic and target-specific.
Remove close_and_cleanup. Lint.
Diffstat (limited to 'bfd/libaout.h')
-rw-r--r--bfd/libaout.h105
1 files changed, 77 insertions, 28 deletions
diff --git a/bfd/libaout.h b/bfd/libaout.h
index 35d795b..304af5c 100644
--- a/bfd/libaout.h
+++ b/bfd/libaout.h
@@ -1,3 +1,9 @@
+/* BFD back-end data structures for a.out (and similar) files.
+
+ We try to encapsulate the differences in a few routines, and otherwise
+ share large masses of code. This means we only have to fix bugs in
+ one place, most of the time. */
+
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Diddler.
@@ -18,33 +24,24 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* $Id$ */
-/* BFD back-end data structures for a.out (and similar) files.
-
- We try to encapsulate the differences in a few routines, and otherwise
- share large masses of code. This means we only have to fix bugs in
- one place, most of the time. */
-
-/** a.out files */
-
-#define exec_hdr(bfd) (((struct sunexdata *) ((bfd)->tdata))->hdr)
-/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
-#define obj_textsec(bfd) (((struct sunexdata *) ((bfd)->tdata))->textsec)
-#define obj_datasec(bfd) (((struct sunexdata *) ((bfd)->tdata))->datasec)
-#define obj_bsssec(bfd) (((struct sunexdata *) ((bfd)->tdata))->bsssec)
-#define obj_sym_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->sym_filepos)
-#define obj_str_filepos(bfd) (((struct sunexdata *) ((bfd)->tdata))->str_filepos)
-
+#define adata(bfd) ((struct aoutdata *) ((bfd)->tdata))
+#define exec_hdr(bfd) (adata(bfd)->hdr)
+#define obj_textsec(bfd) (adata(bfd)->textsec)
+#define obj_datasec(bfd) (adata(bfd)->datasec)
+#define obj_bsssec(bfd) (adata(bfd)->bsssec)
+#define obj_sym_filepos(bfd) (adata(bfd)->sym_filepos)
+#define obj_str_filepos(bfd) (adata(bfd)->str_filepos)
+#define obj_reloc_entry_size(bfd) (adata(bfd)->reloc_entry_size)
-typedef struct {
+typedef struct aout_symbol {
asymbol symbol;
short desc;
-char other;
-unsigned char type;
+ char other;
+ unsigned char type;
} aout_symbol_type;
-
-struct sunexdata {
+struct aoutdata {
struct exec *hdr; /* exec file header */
aout_symbol_type *symbols; /* symtab for input bfd */
@@ -58,19 +55,71 @@ struct sunexdata {
no dependencies on the particular format of the exec_hdr. */
file_ptr sym_filepos;
file_ptr str_filepos;
-};
+ /* Size of a relocation entry */
+ unsigned reloc_entry_size;
+};
-#define obj_outsymbols(bfd) ((PTR)(((struct sunexdata *) ((bfd)->tdata))->outsymbols))
+#define obj_outsymbols(bfd) ((PTR)(((struct aoutdata *) ((bfd)->tdata))->outsymbols))
/* We take the address of the first element of an asymbol to ensure that the
* macro is only ever applied to an asymbol */
#define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd))
-/*#define obj_symbols(bfd) ((((struct sunexdata *) ((bfd)->tdata))->symbols))*/
-#define obj_aout_symbols(bfd) ((((struct sunexdata *) (bfd)->tdata))->symbols)
-#define obj_arch_flags(bfd) ((((struct sunexdata *) (bfd)->tdata))->arch_flags)
-
-#define get_tdata(x) ((struct sunexdata *)((x)->tdata))
+/*#define obj_symbols(bfd) ((((struct aoutdata *) ((bfd)->tdata))->symbols))*/
+#define obj_aout_symbols(bfd) ((((struct aoutdata *) (bfd)->tdata))->symbols)
+#define obj_arch_flags(bfd) ((((struct aoutdata *) (bfd)->tdata))->arch_flags)
+
+#define get_tdata(x) ((struct aoutdata *)((x)->tdata))
+
+/* Prototype declarations for functions defined in aout.c. */
+
+PROTO (boolean, aout_squirt_out_relocs,(bfd *abfd, asection *section));
+
+PROTO (bfd_target *, some_aout_object_p, (bfd *abfd,
+ bfd_target *(*callback)()));
+PROTO (boolean, aout_mkobject, (bfd *abfd));
+PROTO (enum machine_type, aout_machine_type, (enum bfd_architecture arch,
+ unsigned long machine));
+PROTO (boolean, aout_set_arch_mach, (bfd *abfd, enum bfd_architecture arch,
+ unsigned long machine));
+
+PROTO (boolean, aout_new_section_hook, (bfd *abfd, asection *newsect));
+PROTO (boolean, aout_set_section_contents, (bfd *abfd, sec_ptr section,
+ PTR location, file_ptr offset, int count));
+
+PROTO (asymbol *, aout_make_empty_symbol, (bfd *abfd));
+PROTO (boolean, aout_slurp_symbol_table, (bfd *abfd));
+PROTO (void, aout_write_syms, (bfd *abfd));
+PROTO (void, aout_reclaim_symbol_table, (bfd *abfd));
+PROTO (unsigned int, aout_get_symtab_upper_bound, (bfd *abfd));
+PROTO (unsigned int, aout_get_symtab, (bfd *abfd, asymbol **location));
+PROTO (boolean, aout_slurp_reloc_table, (bfd *abfd, sec_ptr asect,
+ asymbol **symbols));
+PROTO (unsigned int, aout_canonicalize_reloc, (bfd *abfd, sec_ptr section,
+ arelent **relptr, asymbol **symbols));
+PROTO (unsigned int, aout_get_reloc_upper_bound, (bfd *abfd, sec_ptr asect));
+PROTO (void, aout_reclaim_reloc, (bfd *ignore_abfd, sec_ptr ignore));
+PROTO (alent *, aout_get_lineno, (bfd *ignore_abfd, asymbol *ignore_symbol));
+PROTO (void, aout_print_symbol, (bfd *ignore_abfd, PTR file,
+ asymbol *symbol, bfd_print_symbol_enum_type how));
+PROTO (boolean, aout_close_and_cleanup, (bfd *abfd));
+PROTO (boolean, aout_find_nearest_line, (bfd *abfd, asection *section,
+ asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
+ CONST char **functionname_ptr, unsigned int *line_ptr));
+PROTO (int, aout_sizeof_headers, (bfd *ignore_abfd));
+
+/* Helper routines in aout.c. */
+
+PROTO (void, bfd_aout_swap_exec_header_in, (bfd *abfd,
+ unsigned char *raw_bytes, struct exec *execp));
+
+PROTO (void, bfd_aout_swap_exec_header_out,(bfd *abfd, struct exec *execp,
+ unsigned char *raw_bytes));
+
+/* A.out uses the generic versions of these routines... */
+
+#define aout_get_section_contents bfd_generic_get_section_contents
+#define aout_close_and_cleanup bfd_generic_close_and_cleanup