/* BFD back-end data structures for a.out (and similar) files.
- Copyright (C) 1990-1991 Free Software Foundation, Inc.
+ Copyright 1990, 1991, 1992 Free Software Foundation, Inc.
Written by Cygnus Support.
This file is part of BFD, the Binary File Descriptor library.
variants 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. */
-/* $Id$ */
-
-#ifdef __STDC__
-#define CAT3(a,b,c) a##b##c
-#else
-#define CAT3(a,b,c) a/**/b/**/c
-#endif
-
/* Parameterize the a.out code based on whether it is being built
for a 32-bit architecture or a 64-bit architecture. */
#if ARCH_SIZE==64
#define GET_WORD bfd_h_get_64
#define GET_SWORD (int64_type)GET_WORD
#define PUT_WORD bfd_h_put_64
+#ifndef NAME
#define NAME(x,y) CAT3(x,_64_,y)
+#endif
#define JNAME(x) CAT(x,_64)
#define BYTES_IN_WORD 8
-#else
+#else /* ARCH_SIZE == 32 */
#define GET_WORD bfd_h_get_32
#define GET_SWORD (int32_type)GET_WORD
#define PUT_WORD bfd_h_put_32
+#ifndef NAME
#define NAME(x,y) CAT3(x,_32_,y)
+#endif
#define JNAME(x) CAT(x,_32)
#define BYTES_IN_WORD 4
-#endif
+#endif /* ARCH_SIZE==32 */
/* Declare these types at file level, since they are used in parameter
lists, which have wierd scope. */
/* Are ZMAGIC files mapped contiguously? If so, the text section may
need more padding, if the segment size (granularity for memory access
control) is larger than the page size. */
- unsigned char zmagic_mapped_contiguous : 1;
+ unsigned char zmagic_mapped_contiguous;
/* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the
text section, which starts immediately after the file header.
If not, the text section starts on the next page. */
- unsigned char text_includes_header : 1;
+ unsigned char text_includes_header;
/* If the text section VMA isn't specified, and we need an absolute
address, use this as the default. If we're producing a relocatable
reasonable for a format that handles multiple CPUs with different
load addresses for each? */
bfd_vma default_text_vma;
+
+ /* Callback for setting the page and segment sizes, if they can't be
+ trivially determined from the architecture. */
+ boolean (*set_sizes) PARAMS ((bfd *));
+
+ /* zmagic files only. For go32, the length of the exec header contributes
+ to the size of the text section in the file for alignment purposes but
+ does *not* get counted in the length of the text section. */
+ unsigned char exec_header_not_counted;
};
#define aout_backend_info(abfd) \
((CONST struct aout_backend_data *)((abfd)->xvec->backend_data))
unsigned char a_talign; /* Alignment of text segment */
unsigned char a_dalign; /* Alignment of data segment */
unsigned char a_balign; /* Alignment of bss segment */
+ char a_relaxable; /* Enough info for linker relax */
};
/* Magic number is written
M_68010 = 1,
M_68020 = 2,
M_SPARC = 3,
- /* skip a bunch so we dont run into any of suns numbers */
+ /* skip a bunch so we don't run into any of suns numbers */
M_386 = 100,
- M_29K = 101,
+ M_29K = 101, /* AMD 29000 */
+ M_MIPS1 = 151, /* MIPS R2000/R3000 binary */
+ M_MIPS2 = 152, /* MIPS R4000/R6000 binary */
M_HP200 = 200, /* HP 200 (68010) BSD binary */
M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */
M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */
unsigned exec_bytes_size;
unsigned vma_adjusted : 1;
+ /* used when a bfd supports several highly similar formats */
+ enum {
+ default_format = 0,
+ gnu_encap_format } subformat;
+
enum {
undecided_magic = 0,
z_magic,
#define obj_str_filepos(bfd) (adata(bfd).str_filepos)
#define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size)
#define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size)
+#define obj_aout_subformat(bfd) (adata(bfd).subformat)
/* We take the address of the first element of an asymbol to ensure that the
macro is only ever applied to an asymbol */
/* Prototype declarations for functions defined in aoutx.h */
-PROTO (boolean, NAME(aout,squirt_out_relocs),(bfd *abfd, asection *section));
+boolean
+NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section));
+
+bfd_target *
+NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd,
+ struct internal_exec *execp,
+ bfd_target * (*callback)(bfd *)));
+
+boolean
+NAME(aout,mkobject) PARAMS ((bfd *abfd));
-PROTO (bfd_target *, NAME(aout,some_aout_object_p), (bfd *abfd,
- struct internal_exec *execp,
- bfd_target *(*callback)()));
-PROTO (boolean, NAME(aout,mkobject), (bfd *abfd));
-PROTO (enum machine_type, NAME(aout,machine_type), (enum bfd_architecture arch,
- unsigned long machine));
-PROTO (boolean, NAME(aout,set_arch_mach), (bfd *abfd, enum bfd_architecture arch,
- unsigned long machine));
+enum machine_type
+NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch,
+ unsigned long machine));
-PROTO (boolean, NAME(aout,new_section_hook), (bfd *abfd, asection *newsect));
-PROTO (boolean, NAME(aout,set_section_contents), (bfd *abfd, sec_ptr section,
+boolean
+NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch,
+ unsigned long machine));
+
+boolean
+NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect));
+
+boolean
+NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section,
PTR location, file_ptr offset, bfd_size_type count));
-PROTO (asymbol *,NAME(aout,make_empty_symbol), (bfd *abfd));
-PROTO (boolean, NAME(aout,slurp_symbol_table), (bfd *abfd));
-PROTO (void, NAME(aout,write_syms), (bfd *abfd));
-PROTO (void, NAME(aout,reclaim_symbol_table), (bfd *abfd));
-PROTO (unsigned int, NAME(aout,get_symtab_upper_bound), (bfd *abfd));
-PROTO (unsigned int, NAME(aout,get_symtab), (bfd *abfd, asymbol **location));
-PROTO (boolean, NAME(aout,slurp_reloc_table), (bfd *abfd, sec_ptr asect,
- asymbol **symbols));
-PROTO (unsigned int, NAME(aout,canonicalize_reloc), (bfd *abfd, sec_ptr section,
- arelent **relptr, asymbol **symbols));
-PROTO (unsigned int, NAME(aout,get_reloc_upper_bound), (bfd *abfd, sec_ptr asect));
-PROTO (void, NAME(aout,reclaim_reloc), (bfd *ignore_abfd, sec_ptr ignore));
-PROTO (alent *, NAME(aout,get_lineno), (bfd *ignore_abfd, asymbol *ignore_symbol));
-PROTO (void, NAME(aout,print_symbol), (bfd *ignore_abfd, PTR file,
+asymbol *
+NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd));
+
+boolean
+NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd));
+
+void
+NAME(aout,write_syms) PARAMS ((bfd *abfd));
+
+void
+NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd));
+
+unsigned int
+NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd));
+
+unsigned int
+NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location));
+
+boolean
+NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect,
+ asymbol **symbols));
+
+unsigned int
+NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section,
+ arelent **relptr, asymbol **symbols));
+
+unsigned int
+NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect));
+
+void
+NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore));
+
+alent *
+NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol));
+
+void
+NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file,
asymbol *symbol, bfd_print_symbol_type how));
-PROTO (boolean, NAME(aout,close_and_cleanup), (bfd *abfd));
-PROTO (boolean, NAME(aout,find_nearest_line), (bfd *abfd, asection *section,
+
+void
+NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd,
+ asymbol *symbol, symbol_info *ret));
+
+boolean
+NAME(aout,close_and_cleanup) PARAMS ((bfd *abfd));
+
+boolean
+NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section,
asymbol **symbols, bfd_vma offset, CONST char **filename_ptr,
CONST char **functionname_ptr, unsigned int *line_ptr));
-PROTO (int, NAME(aout,sizeof_headers), (bfd *abfd, boolean exec));
-PROTO (void, NAME(aout,swap_exec_header_in), (bfd *abfd,
- struct external_exec *raw_bytes, struct internal_exec *execp));
+int
+NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec));
+
+boolean
+NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd,
+ bfd_size_type *text_size, file_ptr *text_end));
+
+void
+NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd,
+ struct external_exec *raw_bytes, struct internal_exec *execp));
-PROTO (void, NAME(aout,swap_exec_header_out),(bfd *abfd, struct internal_exec *execp,
- struct external_exec *raw_bytes));
+void
+NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd,
+ struct internal_exec *execp, struct external_exec *raw_bytes));
/* Prototypes for functions in stab-syms.c. */
-PROTO(char *, aout_stab_name, (int code));
+CONST char *
+aout_stab_name PARAMS ((int code));
/* A.out uses the generic versions of these routines... */
obj_reloc_entry_size (abfd)); \
NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \
\
- bfd_seek (abfd, 0L, false); \
+ bfd_seek (abfd, (file_ptr) 0, SEEK_SET); \
bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd); \
/* Now write out reloc info, followed by syms and strings */ \
\
if (bfd_get_symcount (abfd) != 0) \
{ \
- bfd_seek (abfd, \
- (long)(N_SYMOFF(*execp)), false); \
+ bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET); \
\
NAME(aout,write_syms)(abfd); \
\
- bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); \
+ bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET); \
\
if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) return false; \
- bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false); \
+ bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET); \
\
if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) return false; \
} \