/* ELF object file format
- Copyright (C) 1992, 93-98, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1992, 93, 94, 95, 96, 97, 98, 99, 2000
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "elf/ppc.h"
#endif
+#ifdef TC_I370
+#include "elf/i370.h"
+#endif
+
static bfd_vma elf_s_get_size PARAMS ((symbolS *));
static void elf_s_set_size PARAMS ((symbolS *, bfd_vma));
static bfd_vma elf_s_get_align PARAMS ((symbolS *));
static void obj_elf_ident PARAMS ((int));
static void obj_elf_weak PARAMS ((int));
static void obj_elf_local PARAMS ((int));
-static void obj_elf_common PARAMS ((int));
+static void obj_elf_visibility PARAMS ((int));
static void obj_elf_symver PARAMS ((int));
static void obj_elf_vtable_inherit PARAMS ((int));
static void obj_elf_vtable_entry PARAMS ((int));
-static void obj_elf_data PARAMS ((int));
-static void obj_elf_text PARAMS ((int));
static void obj_elf_subsection PARAMS ((int));
static void obj_elf_popsection PARAMS ((int));
static const pseudo_typeS elf_pseudo_table[] =
{
{"comm", obj_elf_common, 0},
- {"common", obj_elf_common, 0},
+ {"common", obj_elf_common, 1},
{"ident", obj_elf_ident, 0},
{"local", obj_elf_local, 0},
{"previous", obj_elf_previous, 0},
{"version", obj_elf_version, 0},
{"weak", obj_elf_weak, 0},
+ /* These define symbol visibility. */
+ {"internal", obj_elf_visibility, STV_INTERNAL},
+ {"hidden", obj_elf_visibility, STV_HIDDEN},
+ {"protected", obj_elf_visibility, STV_PROTECTED},
+
/* These are used for stabs-in-elf configurations. */
{"line", obj_elf_line, 0},
{"text", obj_elf_text, 0},
/* End sentinel. */
- {NULL},
+ {NULL, NULL, 0},
};
static const pseudo_typeS ecoff_debug_pseudo_table[] =
{ "vreg", s_ignore, 0 },
#endif
- {NULL} /* end sentinel */
+ {NULL, NULL, 0} /* end sentinel */
};
#undef NO_RELOC
S_SET_ALIGN (sym, align);
}
+int
+elf_s_get_other (sym)
+ symbolS *sym;
+{
+ return elf_symbol (symbol_get_bfdsym (sym))->internal_elf_sym.st_other;
+}
+
static void
elf_copy_symbol_attributes (dest, src)
symbolS *dest, *src;
#endif
}
-static void
-obj_elf_common (ignore)
- int ignore;
+void
+obj_elf_common (is_common)
+ int is_common;
{
char *name;
char c;
symbolS *symbolP;
int have_align;
+ if (flag_mri && is_common)
+ {
+ s_mri_common (0);
+ return;
+ }
+
name = input_line_pointer;
c = get_symbol_end ();
/* just after name is now '\0' */
}
if (S_GET_VALUE (symbolP) != 0)
{
- if (S_GET_VALUE (symbolP) != size)
+ if (S_GET_VALUE (symbolP) != (valueT) size)
{
as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."),
S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
static void
obj_elf_local (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
int c;
static void
obj_elf_weak (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
int c;
demand_empty_rest_of_line ();
}
+static void
+obj_elf_visibility (visibility)
+ int visibility;
+{
+ char *name;
+ int c;
+ symbolS *symbolP;
+ asymbol *bfdsym;
+ elf_symbol_type *elfsym;
+
+ do
+ {
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ symbolP = symbol_find_or_make (name);
+ *input_line_pointer = c;
+
+ SKIP_WHITESPACE ();
+
+ bfdsym = symbol_get_bfdsym (symbolP);
+ elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym);
+
+ assert (elfsym);
+
+ elfsym->internal_elf_sym.st_other = visibility;
+
+ if (c == ',')
+ {
+ input_line_pointer ++;
+
+ SKIP_WHITESPACE ();
+
+ if (*input_line_pointer == '\n')
+ c = '\n';
+ }
+ }
+ while (c == ',');
+
+ demand_empty_rest_of_line ();
+}
+
+
static segT previous_section;
static int previous_subsection;
else
#endif
{
- as_warn (bad_msg);
+ as_warn ("%s", bad_msg);
attr = -1;
}
}
char *name, *beg, *end;
int type, attr, dummy;
+#ifndef TC_I370
if (flag_mri)
{
char mri_type;
return;
}
+#endif /* ! defined (TC_I370) */
/* Get name of section. */
SKIP_WHITESPACE ();
ignore_rest_of_line ();
return;
}
-
+
name = xmalloc (end - input_line_pointer + 1);
memcpy (name, input_line_pointer, end - input_line_pointer);
name[end - input_line_pointer] = '\0';
/* Change to the .data section. */
-static void
+void
obj_elf_data (i)
int i;
{
/* Change to the .text section. */
-static void
+void
obj_elf_text (i)
int i;
{
static void
obj_elf_subsection (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
register int temp;
void
obj_elf_previous (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
segT new_section;
int new_subsection;
static void
obj_elf_popsection (xxx)
- int xxx;
+ int xxx ATTRIBUTE_UNUSED;
{
struct section_stack *top = section_stack;
static void
obj_elf_line (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
/* Assume delimiter is part of expression. BSD4.2 as fails with
delightful bug, so we are not being incompatible here. */
static void
obj_elf_symver (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
char c;
static void
obj_elf_vtable_inherit (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
char *cname, *pname;
symbolS *csym, *psym;
symbol_get_value_expression (csym)->X_add_number, 0, psym, 0, 0,
BFD_RELOC_VTABLE_INHERIT);
}
-
+
/* This handles the .vtable_entry pseudo-op, which is used to indicate
to the linker that a vtable slot was used. The syntax is
".vtable_entry tablename, offset". */
static void
obj_elf_vtable_entry (ignore)
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
symbolS *sym;
}
void
-obj_read_begin_hook ()
+elf_obj_read_begin_hook ()
{
#ifdef NEED_ECOFF_DEBUG
if (ECOFF_DEBUGGING)
}
void
-obj_symbol_new_hook (symbolP)
+elf_obj_symbol_new_hook (symbolP)
symbolS *symbolP;
{
struct elf_obj_sy *sy_obj;
void
obj_elf_version (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
unsigned int c;
static void
obj_elf_size (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name = input_line_pointer;
char c = get_symbol_end ();
/* Handle the ELF .type pseudo-op. This sets the type of a symbol.
There are four syntaxes:
-
+
The first (used on Solaris) is
.type SYM,#function
The second (used on UnixWare) is
static void
obj_elf_type (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *name;
char c;
static void
obj_elf_ident (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
static segT comment_section;
segT old_section = now_seg;
int old_subsection = now_subseg;
+#ifdef md_flush_pending_output
+ md_flush_pending_output ();
+#endif
+
if (!comment_section)
{
char *p;
adjust_stab_sections (abfd, sec, xxx)
bfd *abfd;
asection *sec;
- PTR xxx;
+ PTR xxx ATTRIBUTE_UNUSED;
{
char *name;
asection *strsec;
/*ARGSUSED*/
static void
elf_set_index (sym, indx)
- asymbol *sym;
- bfd_size_type indx;
+ asymbol *sym ATTRIBUTE_UNUSED;
+ bfd_size_type indx ATTRIBUTE_UNUSED;
{
}
symbol_get_bfdsym (symp)->flags |= BSF_OBJECT;
#endif
-#ifdef TC_PPC
- /* Frob the PowerPC, so that the symbol always has object type
- if it is not some other type. VxWorks needs this. */
+#if 0 /* TC_PPC */
+ /* If TC_PPC is defined, we used to force the type of a symbol to be
+ BSF_OBJECT if it was otherwise unset. This was required by some
+ version of VxWorks. Thomas de Lellis <tdel@windriver.com> says
+ that this is no longer needed, so it is now commented out. */
if ((symbol_get_bfdsym (symp)->flags
& (BSF_FUNCTION | BSF_FILE | BSF_SECTION_SYM)) == 0
&& S_IS_DEFINED (symp))
this? */
sec->_raw_size = bfd_ecoff_debug_size (stdoutput, &debug, debug_swap);
- if (! bfd_set_section_contents (stdoutput, sec, (PTR) NULL,
+ /* Pass BUF to bfd_set_section_contents because this will
+ eventually become a call to fwrite, and ISO C prohibits
+ passing a NULL pointer to a stdio function even if the
+ pointer will not be used. */
+ if (! bfd_set_section_contents (stdoutput, sec, (PTR) buf,
(file_ptr) 0, (bfd_size_type) 0))
as_fatal (_("Can't start writing .mdebug section: %s"),
bfd_errmsg (bfd_get_error ()));
SCO OpenServer 5 identifies it's ELF modules with a standard ELF
.note section.
- int_32 namesz = 4 ; Name size
- int_32 descsz = 12 ; Descriptive information
- int_32 type = 1 ;
- char name[4] = "SCO" ; Originator name ALWAYS SCO + NULL
+ int_32 namesz = 4 ; Name size
+ int_32 descsz = 12 ; Descriptive information
+ int_32 type = 1 ;
+ char name[4] = "SCO" ; Originator name ALWAYS SCO + NULL
int_32 version = (major ver # << 16) | version of tools ;
int_32 source = (tool_id << 16 ) | 1 ;
int_32 info = 0 ; These are set by the SCO tools, but we
- don't know enough about the source
+ don't know enough about the source
environment to set them. SCO ld currently
ignores them, and recommends we set them
to zero. */
/* process the version string */
- i_note.namesz = 4;
+ i_note.namesz = 4;
i_note.descsz = 12; /* 12 descriptive bytes */
i_note.type = NT_VERSION; /* Contains a version string */
md_number_to_chars (p, (valueT) i_note.type, 4);
p = frag_more (4);
- strcpy (p, "SCO");
+ strcpy (p, "SCO");
/* Note: this is the version number of the ELF we're representing */
p = frag_more (4);
and just set them to zero. */
p = frag_more (4);
md_number_to_chars (p, 0x0000, 4);
-
+
frag_align (2, 0, 0);
/* We probably can't restore the current segment, for there likely
const struct format_ops elf_format_ops =
{
bfd_target_elf_flavour,
- 0,
- 1,
+ 0, /* dfl_leading_underscore */
+ 1, /* emit_section_symbols */
elf_frob_symbol,
elf_frob_file,
elf_frob_file_after_relocs,
elf_s_get_size, elf_s_set_size,
elf_s_get_align, elf_s_set_align,
+ elf_s_get_other,
+ 0, /* s_get_desc */
elf_copy_symbol_attributes,
#ifdef NEED_ECOFF_DEBUG
ecoff_generate_asm_lineno,
ecoff_stab,
#else
- 0,
- 0, /* process_stab */
+ 0, /* generate_asm_lineno */
+ 0, /* process_stab */
#endif
elf_sec_sym_ok_for_reloc,
elf_pop_insert,
#ifdef NEED_ECOFF_DEBUG
elf_ecoff_set_ext,
#else
- 0,
+ 0, /* ecoff_set_ext */
#endif
- obj_read_begin_hook,
- obj_symbol_new_hook,
+ elf_obj_read_begin_hook,
+ elf_obj_symbol_new_hook,
};
projects / deliverable / binutils-gdb.git / blobdiff