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Diffstat (limited to 'binutils-2.17/gas/config/obj-aout.c')
-rw-r--r--binutils-2.17/gas/config/obj-aout.c344
1 files changed, 0 insertions, 344 deletions
diff --git a/binutils-2.17/gas/config/obj-aout.c b/binutils-2.17/gas/config/obj-aout.c
deleted file mode 100644
index e99e63d9..00000000
--- a/binutils-2.17/gas/config/obj-aout.c
+++ /dev/null
@@ -1,344 +0,0 @@
-/* a.out object file format
- Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
-
- This file is part of GAS, the GNU Assembler.
-
- GAS 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,
- or (at your option) any later version.
-
- GAS 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 GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
- 02110-1301, USA. */
-
-#define OBJ_HEADER "obj-aout.h"
-
-#include "as.h"
-#undef NO_RELOC
-#include "aout/aout64.h"
-#include "obstack.h"
-
-void
-obj_aout_frob_symbol (symbolS *sym, int *punt ATTRIBUTE_UNUSED)
-{
- flagword flags;
- asection *sec;
- int desc, type, other;
-
- flags = symbol_get_bfdsym (sym)->flags;
- desc = aout_symbol (symbol_get_bfdsym (sym))->desc;
- type = aout_symbol (symbol_get_bfdsym (sym))->type;
- other = aout_symbol (symbol_get_bfdsym (sym))->other;
- sec = S_GET_SEGMENT (sym);
-
- /* Only frob simple symbols this way right now. */
- if (! (type & ~ (N_TYPE | N_EXT)))
- {
- if (type == (N_UNDF | N_EXT)
- && sec == &bfd_abs_section)
- {
- sec = bfd_und_section_ptr;
- S_SET_SEGMENT (sym, sec);
- }
-
- if ((type & N_TYPE) != N_INDR
- && (type & N_TYPE) != N_SETA
- && (type & N_TYPE) != N_SETT
- && (type & N_TYPE) != N_SETD
- && (type & N_TYPE) != N_SETB
- && type != N_WARNING
- && (sec == &bfd_abs_section
- || sec == &bfd_und_section))
- return;
- if (flags & BSF_EXPORT)
- type |= N_EXT;
-
- switch (type & N_TYPE)
- {
- case N_SETA:
- case N_SETT:
- case N_SETD:
- case N_SETB:
- /* Set the debugging flag for constructor symbols so that
- BFD leaves them alone. */
- symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
-
- /* You can't put a common symbol in a set. The way a set
- element works is that the symbol has a definition and a
- name, and the linker adds the definition to the set of
- that name. That does not work for a common symbol,
- because the linker can't tell which common symbol the
- user means. FIXME: Using as_bad here may be
- inappropriate, since the user may want to force a
- particular type without regard to the semantics of sets;
- on the other hand, we certainly don't want anybody to be
- mislead into thinking that their code will work. */
- if (S_IS_COMMON (sym))
- as_bad (_("Attempt to put a common symbol into set %s"),
- S_GET_NAME (sym));
- /* Similarly, you can't put an undefined symbol in a set. */
- else if (! S_IS_DEFINED (sym))
- as_bad (_("Attempt to put an undefined symbol into set %s"),
- S_GET_NAME (sym));
-
- break;
- case N_INDR:
- /* Put indirect symbols in the indirect section. */
- S_SET_SEGMENT (sym, bfd_ind_section_ptr);
- symbol_get_bfdsym (sym)->flags |= BSF_INDIRECT;
- if (type & N_EXT)
- {
- symbol_get_bfdsym (sym)->flags |= BSF_EXPORT;
- symbol_get_bfdsym (sym)->flags &=~ BSF_LOCAL;
- }
- break;
- case N_WARNING:
- /* Mark warning symbols. */
- symbol_get_bfdsym (sym)->flags |= BSF_WARNING;
- break;
- }
- }
- else
- symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
-
- aout_symbol (symbol_get_bfdsym (sym))->type = type;
-
- /* Double check weak symbols. */
- if (S_IS_WEAK (sym) && S_IS_COMMON (sym))
- as_bad (_("Symbol `%s' can not be both weak and common"),
- S_GET_NAME (sym));
-}
-
-void
-obj_aout_frob_file_before_fix (void)
-{
- /* Relocation processing may require knowing the VMAs of the sections.
- Since writing to a section will cause the BFD back end to compute the
- VMAs, fake it out here.... */
- bfd_byte b = 0;
- bfd_boolean x = TRUE;
- if (bfd_section_size (stdoutput, text_section) != 0)
- x = bfd_set_section_contents (stdoutput, text_section, &b, (file_ptr) 0,
- (bfd_size_type) 1);
- else if (bfd_section_size (stdoutput, data_section) != 0)
- x = bfd_set_section_contents (stdoutput, data_section, &b, (file_ptr) 0,
- (bfd_size_type) 1);
-
- assert (x);
-}
-
-static void
-obj_aout_line (int ignore ATTRIBUTE_UNUSED)
-{
- /* Assume delimiter is part of expression.
- BSD4.2 as fails with delightful bug, so we
- are not being incompatible here. */
- new_logical_line ((char *) NULL, (int) (get_absolute_expression ()));
- demand_empty_rest_of_line ();
-}
-
-/* Handle .weak. This is a GNU extension. */
-
-static void
-obj_aout_weak (int ignore ATTRIBUTE_UNUSED)
-{
- char *name;
- int c;
- symbolS *symbolP;
-
- do
- {
- name = input_line_pointer;
- c = get_symbol_end ();
- symbolP = symbol_find_or_make (name);
- *input_line_pointer = c;
- SKIP_WHITESPACE ();
- S_SET_WEAK (symbolP);
- if (c == ',')
- {
- input_line_pointer++;
- SKIP_WHITESPACE ();
- if (*input_line_pointer == '\n')
- c = '\n';
- }
- }
- while (c == ',');
- demand_empty_rest_of_line ();
-}
-
-/* Handle .type. On {Net,Open}BSD, this is used to set the n_other field,
- which is then apparently used when doing dynamic linking. Older
- versions of gas ignored the .type pseudo-op, so we also ignore it if
- we can't parse it. */
-
-static void
-obj_aout_type (int ignore ATTRIBUTE_UNUSED)
-{
- char *name;
- int c;
- symbolS *sym;
-
- name = input_line_pointer;
- c = get_symbol_end ();
- sym = symbol_find_or_make (name);
- *input_line_pointer = c;
- SKIP_WHITESPACE ();
- if (*input_line_pointer == ',')
- {
- ++input_line_pointer;
- SKIP_WHITESPACE ();
- if (*input_line_pointer == '@')
- {
- ++input_line_pointer;
- if (strncmp (input_line_pointer, "object", 6) == 0)
- S_SET_OTHER (sym, 1);
- else if (strncmp (input_line_pointer, "function", 8) == 0)
- S_SET_OTHER (sym, 2);
- }
- }
-
- /* Ignore everything else on the line. */
- s_ignore (0);
-}
-
-/* Support for an AOUT emulation. */
-
-static void
-aout_pop_insert (void)
-{
- pop_insert (aout_pseudo_table);
-}
-
-static int
-obj_aout_s_get_other (symbolS *sym)
-{
- return aout_symbol (symbol_get_bfdsym (sym))->other;
-}
-
-static void
-obj_aout_s_set_other (symbolS *sym, int o)
-{
- aout_symbol (symbol_get_bfdsym (sym))->other = o;
-}
-
-static int
-obj_aout_sec_sym_ok_for_reloc (asection *sec ATTRIBUTE_UNUSED)
-{
- return obj_sec_sym_ok_for_reloc (sec);
-}
-
-static void
-obj_aout_process_stab (segT seg ATTRIBUTE_UNUSED,
- int w,
- const char *s,
- int t,
- int o,
- int d)
-{
- aout_process_stab (w, s, t, o, d);
-}
-
-static int
-obj_aout_s_get_desc (symbolS *sym)
-{
- return aout_symbol (symbol_get_bfdsym (sym))->desc;
-}
-
-static void
-obj_aout_s_set_desc (symbolS *sym, int d)
-{
- aout_symbol (symbol_get_bfdsym (sym))->desc = d;
-}
-
-static int
-obj_aout_s_get_type (symbolS *sym)
-{
- return aout_symbol (symbol_get_bfdsym (sym))->type;
-}
-
-static void
-obj_aout_s_set_type (symbolS *sym, int t)
-{
- aout_symbol (symbol_get_bfdsym (sym))->type = t;
-}
-
-static int
-obj_aout_separate_stab_sections (void)
-{
- return 0;
-}
-
-/* When changed, make sure these table entries match the single-format
- definitions in obj-aout.h. */
-
-const struct format_ops aout_format_ops =
-{
- bfd_target_aout_flavour,
- 1, /* dfl_leading_underscore. */
- 0, /* emit_section_symbols. */
- 0, /* begin. */
- 0, /* app_file. */
- obj_aout_frob_symbol,
- 0, /* frob_file. */
- 0, /* frob_file_before_adjust. */
- obj_aout_frob_file_before_fix,
- 0, /* frob_file_after_relocs. */
- 0, /* s_get_size. */
- 0, /* s_set_size. */
- 0, /* s_get_align. */
- 0, /* s_set_align. */
- obj_aout_s_get_other,
- obj_aout_s_set_other,
- obj_aout_s_get_desc,
- obj_aout_s_set_desc,
- obj_aout_s_get_type,
- obj_aout_s_set_type,
- 0, /* copy_symbol_attributes. */
- 0, /* generate_asm_lineno. */
- obj_aout_process_stab,
- obj_aout_separate_stab_sections,
- 0, /* init_stab_section. */
- obj_aout_sec_sym_ok_for_reloc,
- aout_pop_insert,
- 0, /* ecoff_set_ext. */
- 0, /* read_begin_hook. */
- 0 /* symbol_new_hook. */
-};
-
-const pseudo_typeS aout_pseudo_table[] =
-{
- {"line", obj_aout_line, 0}, /* Source code line number. */
- {"ln", obj_aout_line, 0}, /* COFF line number that we use anyway. */
-
- {"weak", obj_aout_weak, 0}, /* Mark symbol as weak. */
-
- {"type", obj_aout_type, 0},
-
- /* coff debug pseudos (ignored) */
- {"def", s_ignore, 0},
- {"dim", s_ignore, 0},
- {"endef", s_ignore, 0},
- {"ident", s_ignore, 0},
- {"line", s_ignore, 0},
- {"ln", s_ignore, 0},
- {"scl", s_ignore, 0},
- {"size", s_ignore, 0},
- {"tag", s_ignore, 0},
- {"val", s_ignore, 0},
- {"version", s_ignore, 0},
-
- {"optim", s_ignore, 0}, /* For sun386i cc (?). */
-
- /* other stuff */
- {"ABORT", s_abort, 0},
-
- {NULL, NULL, 0}
-};
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