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* libcoff-in.h (struct coff_final_link_info): Add last_bf_index

Browse source 
and last_bf fields.
	* libcoff.h: Rebuild.
	* coffswap.h (coff_swap_aux_in): Swap endndx field for C_FCN
	symbols.
	(coff_swap_aux_out): Likewise.
	* peicode.h (coff_swap_aux_in): Likewise.
	(coff_swap_aux_out): Likewise.
	* coffgen.c (coff_pointerize_aux): Check endndx field for C_FCN
	symbols.
	* cofflink.c (_bfd_coff_final_link): Initialize last_bf_index
	field.
	(_bfd_coff_link_input_bfd): Check endndx field for C_FCN symbols.
	Fix up .bf endndx link fields.
	* coff-ppc.c (ppc_bfd_coff_final_link): Initialize last_bf_index
	field.
	* xcofflink.c (xcoff_link_input_bfd): Check endndx field for C_FCN
	symbols.
PR 9467.
This commit is contained in:
Ian Lance Taylor 1996-04-18 22:55:54 +00:00
parent 9590fa867b
commit d6e0e2f786
7 changed files with 120 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
bfd/ChangeLog
View file

@ -1,3 +1,24 @@
Thu Apr 18 18:51:18 1996 Ian Lance Taylor <ian@cygnus.com>
* libcoff-in.h (struct coff_final_link_info): Add last_bf_index
and last_bf fields.
* libcoff.h: Rebuild.
* coffswap.h (coff_swap_aux_in): Swap endndx field for C_FCN
symbols.
(coff_swap_aux_out): Likewise.
* peicode.h (coff_swap_aux_in): Likewise.
(coff_swap_aux_out): Likewise.
* coffgen.c (coff_pointerize_aux): Check endndx field for C_FCN
symbols.
* cofflink.c (_bfd_coff_final_link): Initialize last_bf_index
field.
(_bfd_coff_link_input_bfd): Check endndx field for C_FCN symbols.
Fix up .bf endndx link fields.
* coff-ppc.c (ppc_bfd_coff_final_link): Initialize last_bf_index
field.
* xcofflink.c (xcoff_link_input_bfd): Check endndx field for C_FCN
symbols.
Wed Apr 17 12:08:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* pe{,i}-ppc.c (PPC_PE): Define instead of PPC, so that compiling

1
bfd/coff-ppc.c
View file

@ -2713,6 +2713,7 @@ ppc_bfd_coff_final_link (abfd, info)
finfo.strtab = NULL;
finfo.section_info = NULL;
finfo.last_file_index = -1;
finfo.last_bf_index = -1;
finfo.internal_syms = NULL;
finfo.sec_ptrs = NULL;
finfo.sym_indices = NULL;

2
bfd/coffgen.c
View file

@ -1355,7 +1355,7 @@ coff_pointerize_aux (abfd, table_base, symbol, indaux, auxent)
/* Otherwise patch up */
#define N_TMASK coff_data (abfd)->local_n_tmask
#define N_BTSHFT coff_data (abfd)->local_n_btshft
if ((ISFCN (type) || ISTAG (class) || class == C_BLOCK)
if ((ISFCN (type) || ISTAG (class) || class == C_BLOCK || class == C_FCN)
&& auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.l > 0)
{
auxent->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p =

78
bfd/cofflink.c
View file

@ -447,6 +447,7 @@ _bfd_coff_final_link (abfd, info)
finfo.strtab = NULL;
finfo.section_info = NULL;
finfo.last_file_index = -1;
finfo.last_bf_index = -1;
finfo.internal_syms = NULL;
finfo.sec_ptrs = NULL;
finfo.sym_indices = NULL;
@ -1546,7 +1547,8 @@ _bfd_coff_link_input_bfd (finfo, input_bfd)
if (ISFCN (isymp->n_type)
|| ISTAG (isymp->n_sclass)
|| isymp->n_sclass == C_BLOCK)
|| isymp->n_sclass == C_BLOCK
|| isymp->n_sclass == C_FCN)
{
indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l;
if (indx > 0
@ -1580,6 +1582,80 @@ _bfd_coff_link_input_bfd (finfo, input_bfd)
else
auxp->x_sym.x_tagndx.l = symindx;
}
/* The .bf symbols are supposed to be linked through
the endndx field. We need to carry this list
across object files. */
if (i == 0
&& h == NULL
&& isymp->n_sclass == C_FCN
&& (isymp->_n._n_n._n_zeroes != 0
|| isymp->_n._n_n._n_offset == 0)
&& isymp->_n._n_name[0] == '.'
&& isymp->_n._n_name[1] == 'b'
&& isymp->_n._n_name[2] == 'f'
&& isymp->_n._n_name[3] == '\0')
{
if (finfo->last_bf_index != -1)
{
finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l =
*indexp;
if ((bfd_size_type) finfo->last_bf_index
>= syment_base)
{
PTR auxout;
/* The last .bf symbol is in this input
file. This will only happen if the
assembler did not set up the .bf
endndx symbols correctly. */
auxout = (PTR) (finfo->outsyms
+ ((finfo->last_bf_index
- syment_base)
* osymesz));
bfd_coff_swap_aux_out (output_bfd,
(PTR) &finfo->last_bf,
isymp->n_type,
isymp->n_sclass,
0, isymp->n_numaux,
auxout);
}
else
{
/* We have already written out the last
.bf aux entry. We need to write it
out again. We borrow *outsym
temporarily. FIXME: This case should
be made faster. */
bfd_coff_swap_aux_out (output_bfd,
(PTR) &finfo->last_bf,
isymp->n_type,
isymp->n_sclass,
0, isymp->n_numaux,
(PTR) outsym);
if (bfd_seek (output_bfd,
(obj_sym_filepos (output_bfd)
+ finfo->last_bf_index * osymesz),
SEEK_SET) != 0
|| bfd_write (outsym, osymesz, 1,
output_bfd) != osymesz)
return false;
}
}
if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0)
finfo->last_bf_index = -1;
else
{
/* The endndx field of this aux entry must
be updated with the symbol number of the
next .bf symbol. */
finfo->last_bf = *auxp;
finfo->last_bf_index = ((outsym - finfo->outsyms)
/ osymesz);
}
}
}
if (h == NULL)

10
bfd/libcoff-in.h
View file

@ -1,7 +1,10 @@
/* BFD COFF object file private structure.
Copyright (C) 1990, 91, 92, 93, 94, 1995 Free Software Foundation, Inc.
Copyright (C) 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Cygnus Support.
** NOTE: libcoff.h is a GENERATED file. Don't change it; instead,
** change libcoff-in.h or coffcode.h.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
@ -405,6 +408,11 @@ struct coff_final_link_info
long last_file_index;
/* Contents of last C_FILE symbol. */
struct internal_syment last_file;
/* Symbol index of first aux entry of last .bf symbol with an empty
endndx field (-1 if none). */
long last_bf_index;
/* Contents of last_bf_index aux entry. */
union internal_auxent last_bf;
/* Hash table used to merge debug information. */
struct coff_debug_merge_hash_table debug_merge;
/* Buffer large enough to hold swapped symbols of any input file. */

10
bfd/libcoff.h
View file

@ -2,6 +2,9 @@
Copyright (C) 1990, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Cygnus Support.
** NOTE: libcoff.h is a GENERATED file. Don't change it; instead,
** change libcoff-in.h or coffcode.h.
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
@ -405,6 +408,11 @@ struct coff_final_link_info
long last_file_index;
/* Contents of last C_FILE symbol. */
struct internal_syment last_file;
/* Symbol index of first aux entry of last .bf symbol with an empty
endndx field (-1 if none). */
long last_bf_index;
/* Contents of last_bf_index aux entry. */
union internal_auxent last_bf;
/* Hash table used to merge debug information. */
struct coff_debug_merge_hash_table debug_merge;
/* Buffer large enough to hold swapped symbols of any input file. */
@ -814,7 +822,7 @@ typedef struct
#define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\
((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\
(obfd, info, ibfd, sec, rel, adjustedp))
#define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section, value, string, cp, coll, hashp)\
#define bfd_coff_link_add_one_symbol(info,abfd,name,flags,section,value,string,cp,coll,hashp)\
((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\
(info, abfd, name, flags, section, value, string, cp, coll, hashp))

4
bfd/peicode.h
View file

@ -551,7 +551,7 @@ coff_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
in->x_sym.x_tvndx = bfd_h_get_16(abfd, (bfd_byte *) ext->x_sym.x_tvndx);
#endif
if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
{
in->x_sym.x_fcnary.x_fcn.x_lnnoptr = GET_FCN_LNNOPTR (abfd, ext);
in->x_sym.x_fcnary.x_fcn.x_endndx.l = GET_FCN_ENDNDX (abfd, ext);
@ -637,7 +637,7 @@ coff_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
bfd_h_put_16(abfd, in->x_sym.x_tvndx , (bfd_byte *) ext->x_sym.x_tvndx);
#endif
if (class == C_BLOCK || ISFCN (type) || ISTAG (class))
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
{
PUT_FCN_LNNOPTR(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, ext);
PUT_FCN_ENDNDX(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, ext);