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* targets.c: Add a vector of matching format names.
* format.c (bfd_matching_formats): New function to return it. (bfd_check_format): Set it. * bfd-in2.h: Regenerated.
This commit is contained in:
David MacKenzie
parent
0f8f509c6a
commit
3b31740cb2
@ -1,5 +1,10 @@
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Fri Jan 21 16:25:35 1994 David J. Mackenzie (djm@thepub.cygnus.com)
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* targets.c: Add a vector of matching format names.
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* format.c (bfd_matching_formats): New function to return it.
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(bfd_check_format): Set it.
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* bfd-in2.h: Regenerated.
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* bfd-in.h: Remove decls of bfd_ec type and error printing functions.
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Remove decl of type symclass; wasn't used.
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* bfd.c: Document error handling, including code fragments
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@ -2057,6 +2057,9 @@ bfd_target_list PARAMS ((void));
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boolean
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bfd_check_format PARAMS ((bfd *abfd, bfd_format format));
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char **
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bfd_matching_formats PARAMS (());
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boolean
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bfd_set_format PARAMS ((bfd *abfd, bfd_format format));
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40
bfd/format.c
40
bfd/format.c
@ -20,7 +20,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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SECTION
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File Formats
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File formats
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A format is a BFD concept of high level file contents type. The
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formats supported by BFD are:
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@ -44,9 +44,8 @@ SECTION
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#include "sysdep.h"
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#include "libbfd.h"
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extern bfd_target *target_vector[];
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extern bfd_target *default_vector[];
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/* IMPORT from targets.c. */
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extern char *matching_vector[];
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/*
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FUNCTION
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@ -71,18 +70,18 @@ DESCRIPTION
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The function returns <<true>> on success, otherwise <<false>>
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with one of the following error codes:
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o invalid_operation -
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o <<invalid_operation>> -
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if <<format>> is not one of <<bfd_object>>, <<bfd_archive>> or
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<<bfd_core>>.
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o system_call_error -
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o <<system_call_error>> -
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if an error occured during a read - even some file mismatches
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can cause system_call_errors.
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o file_not_recognised -
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o <<file_not_recognised>> -
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none of the backends recognised the file format.
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o file_ambiguously_recognized -
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o <<file_ambiguously_recognized>> -
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more than one backend recognised the file format.
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*/
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@ -111,6 +110,7 @@ DEFUN(bfd_check_format,(abfd, format),
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save_targ = abfd->xvec;
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match_count = 0;
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matching_vector[0] = NULL;
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right_targ = 0;
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@ -141,13 +141,16 @@ DEFUN(bfd_check_format,(abfd, format),
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temp = BFD_SEND_FMT (abfd, _bfd_check_format, (abfd));
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if (temp) { /* This format checks out as ok! */
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right_targ = temp;
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match_count++;
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matching_vector[match_count++] = temp->name;
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matching_vector[match_count] = NULL;
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/* If this is the default target, accept it, even if other targets
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might match. People who want those other targets have to set
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the GNUTARGET variable. */
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if (temp == default_vector[0])
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{
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match_count = 1;
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matching_vector[0] = temp->name;
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matching_vector[1] = NULL;
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break;
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}
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#ifdef GNU960
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@ -178,6 +181,25 @@ DEFUN(bfd_check_format,(abfd, format),
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return false;
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}
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/*
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FUNCTION
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bfd_matching_formats
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SYNOPSIS
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char **bfd_matching_formats();
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DESCRIPTION
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If a call to <<bfd_check_format>> returns
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<<file_ambiguously_recognized>>, you can call this function
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afterward to return a NULL-terminated list of the names of
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the formats that matched.
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Then you can choose one and try again. */
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char **
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bfd_matching_formats ()
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{
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return &matching_vector[0];
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}
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/*
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FUNCTION
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@ -185,26 +185,26 @@ Entries for byte swapping for data. These are different from the other
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entry points, since they don't take a BFD asthe first argument.
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Certain other handlers could do the same.
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. bfd_vma (*bfd_getx64) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_getx64) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_64) PARAMS ((const bfd_byte *));
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. void (*bfd_putx64) PARAMS ((bfd_vma, bfd_byte *));
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. bfd_vma (*bfd_getx32) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_getx32) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_32) PARAMS ((const bfd_byte *));
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. void (*bfd_putx32) PARAMS ((bfd_vma, bfd_byte *));
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. bfd_vma (*bfd_getx16) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_getx16) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_getx_signed_16) PARAMS ((const bfd_byte *));
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. void (*bfd_putx16) PARAMS ((bfd_vma, bfd_byte *));
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Byte swapping for the headers
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. bfd_vma (*bfd_h_getx64) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_h_getx64) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_64) PARAMS ((const bfd_byte *));
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. void (*bfd_h_putx64) PARAMS ((bfd_vma, bfd_byte *));
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. bfd_vma (*bfd_h_getx32) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_h_getx32) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_32) PARAMS ((const bfd_byte *));
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. void (*bfd_h_putx32) PARAMS ((bfd_vma, bfd_byte *));
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. bfd_vma (*bfd_h_getx16) PARAMS ((bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((bfd_byte *));
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. bfd_vma (*bfd_h_getx16) PARAMS ((const bfd_byte *));
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. bfd_signed_vma (*bfd_h_getx_signed_16) PARAMS ((const bfd_byte *));
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. void (*bfd_h_putx16) PARAMS ((bfd_vma, bfd_byte *));
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Format dependent routines: these are vectors of entry points
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@ -386,13 +386,9 @@ extern bfd_target m68klynx_aout_vec;
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extern bfd_target m68klynx_coff_vec;
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extern bfd_target m88kbcs_vec;
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extern bfd_target newsos3_vec;
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extern bfd_target nlm32_big_generic_vec;
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extern bfd_target nlm32_i386_vec;
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extern bfd_target nlm32_sparc_vec;
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extern bfd_target nlm32_alpha_vec;
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extern bfd_target nlm32_little_generic_vec;
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extern bfd_target nlm64_big_generic_vec;
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extern bfd_target nlm64_little_generic_vec;
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extern bfd_target oasys_vec;
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extern bfd_target rs6000coff_vec;
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extern bfd_target shcoff_vec;
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@ -509,12 +505,10 @@ bfd_target *target_vector[] = {
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&m68klynx_coff_vec,
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&m88kbcs_vec,
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&newsos3_vec,
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&nlm32_big_generic_vec,
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&nlm32_i386_vec,
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&nlm32_sparc_vec,
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#ifdef BFD64
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&nlm64_big_generic_vec,
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&nlm64_little_generic_vec,
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&nlm32_alpha_vec,
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#endif
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#if 0
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/* We have no oasys tools anymore, so we can't test any of this
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@ -579,7 +573,11 @@ bfd_target *default_vector[] = {
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NULL
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};
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/* When there is an ambiguous match, bfd_check_format puts the names
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of the matching targets in this array.
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It is declared here so we can give it the same number of entries
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(+ a terminating NULL) as the number of possible targets. */
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char *matching_vector[sizeof(target_vector)/sizeof(*target_vector) + 1];
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/*
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