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* bfd.c (bfd_get_gp_size): Can't return gp value on an archive.
(bfd_set_gp_size): Can't set gp value on an archive.
This commit is contained in:
Ian Lance Taylor
parent
3919ffeb06
commit
fbb8fe5c6e
@ -1,3 +1,8 @@
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Fri Feb 25 13:19:04 1994 Ted Lemon (mellon@pepper.ncd.com)
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* bfd.c (bfd_get_gp_size): Can't return gp value on an archive.
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(bfd_set_gp_size): Can't set gp value on an archive.
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Fri Feb 25 12:57:00 1994 Steve Chamberlain (sac@jonny.cygnus.com)
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* srec.c (pass_over): Don't skip too many characters when
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202
bfd/bfd.c
202
bfd/bfd.c
@ -1,5 +1,5 @@
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/* Generic BFD library interface and support routines.
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Copyright (C) 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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Copyright (C) 1990, 91, 92, 93, 94 Free Software Foundation, Inc.
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Written by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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@ -191,18 +191,56 @@ CODE_FRAGMENT
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#undef obj_symbols
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#include "libelf.h"
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/*
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SECTION
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Error reporting
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Most BFD functions return nonzero on success (check their
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individual documentation for precise semantics). On an error,
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they call <<bfd_set_error>> to set an error condition that callers
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can check by calling <<bfd_get_error>>.
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If that returns <<bfd_error_system_call>>, then check
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<<errno>>.
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The easiest way to report a BFD error to the user is to
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use <<bfd_perror>>.
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SUBSECTION
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Type <<bfd_error_type>>
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The values returned by <<bfd_get_error>> are defined by the
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enumerated type <<bfd_error_type>>.
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CODE_FRAGMENT
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.
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.typedef enum bfd_error
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.{
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. bfd_error_no_error = 0,
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. bfd_error_system_call,
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. bfd_error_invalid_target,
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. bfd_error_wrong_format,
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. bfd_error_invalid_operation,
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. bfd_error_no_memory,
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. bfd_error_no_symbols,
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. bfd_error_no_more_archived_files,
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. bfd_error_malformed_archive,
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. bfd_error_file_not_recognized,
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. bfd_error_file_ambiguously_recognized,
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. bfd_error_no_contents,
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. bfd_error_nonrepresentable_section,
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. bfd_error_no_debug_section,
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. bfd_error_bad_value,
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. bfd_error_file_truncated,
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. bfd_error_invalid_error_code
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.} bfd_error_type;
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.
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*/
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#undef strerror
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extern char *strerror();
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/** Error handling
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o - Most functions return nonzero on success (check doc for
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precise semantics); 0 or NULL on error.
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o - Internal errors are documented by the value of bfd_error.
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If that is system_call_error then check errno.
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o - The easiest way to report this to the user is to use bfd_perror.
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*/
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bfd_ec bfd_error = no_error;
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static bfd_error_type bfd_error = bfd_error_no_error;
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CONST char *CONST bfd_errmsgs[] = {
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"No error",
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@ -224,40 +262,104 @@ CONST char *CONST bfd_errmsgs[] = {
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"#<Invalid error code>"
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};
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/*
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FUNCTION
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bfd_get_error
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SYNOPSIS
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bfd_error_type bfd_get_error (void);
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DESCRIPTION
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Return the current BFD error condition.
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*/
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bfd_error_type
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bfd_get_error ()
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{
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return bfd_error;
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}
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/*
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FUNCTION
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bfd_set_error
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SYNOPSIS
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void bfd_set_error (bfd_error_type error_tag);
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DESCRIPTION
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Set the BFD error condition to be @var{error_tag}.
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*/
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void
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bfd_set_error (error_tag)
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bfd_error_type error_tag;
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{
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bfd_error = error_tag;
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}
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/*
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FUNCTION
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bfd_errmsg
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SYNOPSIS
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CONST char *bfd_errmsg (bfd_error_type error_tag);
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DESCRIPTION
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Return a string describing the error @var{error_tag}, or
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the system error if @var{error_tag} is <<bfd_error_system_call>>.
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*/
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CONST char *
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bfd_errmsg (error_tag)
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bfd_ec error_tag;
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bfd_error_type error_tag;
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{
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#ifndef errno
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extern int errno;
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#endif
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if (error_tag == system_call_error)
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if (error_tag == bfd_error_system_call)
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return strerror (errno);
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if ((((int)error_tag <(int) no_error) ||
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((int)error_tag > (int)invalid_error_code)))
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error_tag = invalid_error_code;/* sanity check */
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if ((((int)error_tag <(int) bfd_error_no_error) ||
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((int)error_tag > (int)bfd_error_invalid_error_code)))
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error_tag = bfd_error_invalid_error_code;/* sanity check */
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return bfd_errmsgs [(int)error_tag];
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}
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/*
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FUNCTION
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bfd_perror
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SYNOPSIS
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void bfd_perror (CONST char *message);
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DESCRIPTION
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Print to the standard error stream a string describing the
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last BFD error that occurred, or the last system error if
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the last BFD error was a system call failure. If @var{message}
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is non-NULL and non-empty, the error string printed is preceded
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by @var{message}, a colon, and a space. It is followed by a newline.
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*/
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void
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DEFUN(bfd_perror,(message),
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CONST char *message)
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bfd_perror (message)
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CONST char *message;
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{
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if (bfd_error == system_call_error)
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if (bfd_get_error () == bfd_error_system_call)
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perror((char *)message); /* must be system error then... */
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else {
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if (message == NULL || *message == '\0')
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fprintf (stderr, "%s\n", bfd_errmsg (bfd_error));
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fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
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else
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fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_error));
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fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
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}
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}
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/** Symbols */
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/*
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SECTION
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Symbols
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*/
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/*
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FUNCTION
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@ -275,12 +377,12 @@ DESCRIPTION
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unsigned int
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DEFUN(bfd_get_reloc_upper_bound,(abfd, asect),
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bfd *abfd AND
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sec_ptr asect)
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bfd_get_reloc_upper_bound (abfd, asect)
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bfd *abfd;
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sec_ptr asect;
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{
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if (abfd->format != bfd_object) {
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bfd_error = invalid_operation;
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bfd_set_error (bfd_error_invalid_operation);
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return 0;
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}
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@ -312,14 +414,14 @@ DESCRIPTION
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*/
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unsigned int
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DEFUN(bfd_canonicalize_reloc,(abfd, asect, location, symbols),
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bfd *abfd AND
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sec_ptr asect AND
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arelent **location AND
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asymbol **symbols)
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bfd_canonicalize_reloc (abfd, asect, location, symbols)
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bfd *abfd;
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sec_ptr asect;
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arelent **location;
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asymbol **symbols;
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{
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if (abfd->format != bfd_object) {
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bfd_error = invalid_operation;
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bfd_set_error (bfd_error_invalid_operation);
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return 0;
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}
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return BFD_SEND (abfd, _bfd_canonicalize_reloc,
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@ -363,9 +465,9 @@ DESCRIPTION
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Set the flag word in the BFD @var{abfd} to the value @var{flags}.
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Possible errors are:
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o <<wrong_format>> - The target bfd was not of object format.
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o <<invalid_operation>> - The target bfd was open for reading.
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o <<invalid_operation>> -
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o <<bfd_error_wrong_format>> - The target bfd was not of object format.
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o <<bfd_error_invalid_operation>> - The target bfd was open for reading.
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o <<bfd_error_invalid_operation>> -
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The flag word contained a bit which was not applicable to the
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type of file. E.g., an attempt was made to set the <<D_PAGED>> bit
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on a BFD format which does not support demand paging.
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@ -378,18 +480,18 @@ bfd_set_file_flags (abfd, flags)
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flagword flags;
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{
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if (abfd->format != bfd_object) {
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bfd_error = wrong_format;
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bfd_set_error (bfd_error_wrong_format);
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return false;
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}
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if (bfd_read_p (abfd)) {
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bfd_error = invalid_operation;
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bfd_set_error (bfd_error_invalid_operation);
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return false;
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}
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bfd_get_file_flags (abfd) = flags;
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if ((flags & bfd_applicable_file_flags (abfd)) != flags) {
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bfd_error = invalid_operation;
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bfd_set_error (bfd_error_invalid_operation);
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return false;
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}
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@ -524,10 +626,13 @@ int
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bfd_get_gp_size (abfd)
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bfd *abfd;
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{
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if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
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return ecoff_data (abfd)->gp_size;
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else if (abfd->xvec->flavour == bfd_target_elf_flavour)
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return elf_gp_size (abfd);
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if (abfd->format == bfd_object)
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{
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if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
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return ecoff_data (abfd)->gp_size;
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else if (abfd->xvec->flavour == bfd_target_elf_flavour)
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return elf_gp_size (abfd);
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}
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return 0;
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}
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@ -549,6 +654,9 @@ bfd_set_gp_size (abfd, i)
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bfd *abfd;
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int i;
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{
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/* Don't try to set GP size on an archive or core file! */
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if (abfd->format != bfd_object)
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return;
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if (abfd->xvec->flavour == bfd_target_ecoff_flavour)
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ecoff_data (abfd)->gp_size = i;
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else if (abfd->xvec->flavour == bfd_target_elf_flavour)
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@ -576,10 +684,10 @@ DESCRIPTION
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*/
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bfd_vma
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DEFUN(bfd_scan_vma,(string, end, base),
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CONST char *string AND
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CONST char **end AND
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int base)
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bfd_scan_vma (string, end, base)
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CONST char *string;
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CONST char **end;
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int base;
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{
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bfd_vma value;
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int digit;
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