* as.c (parse_args): Add --keep-locals alias for -L.

Add --strip-local-absolute.
	(show_usage): Update.
	* as.h (flag_strip_local_absolute): New flag.
	* symbols.c (S_IS_LOCAL): Use it.
	* config/obj-aout.h (S_IS_LOCAL): Likewise.
	* config/obj-bout.h (S_IS_LOCAL): Likewise.
	* config/obj-coff.h (S_IS_LOCAL): Likewise.
PR 14689
This commit is contained in:
Richard Henderson 1998-01-27 13:33:54 +00:00
parent f3329c1a64
commit c3b27a64b4
8 changed files with 144 additions and 123 deletions

View File

@ -1,3 +1,14 @@
Tue Jan 27 05:32:05 1998 Richard Henderson <rth@cygnus.com>
* as.c (parse_args): Add --keep-locals alias for -L.
Add --strip-local-absolute.
(show_usage): Update.
* as.h (flag_strip_local_absolute): New flag.
* symbols.c (S_IS_LOCAL): Use it.
* config/obj-aout.h (S_IS_LOCAL): Likewise.
* config/obj-bout.h (S_IS_LOCAL): Likewise.
* config/obj-coff.h (S_IS_LOCAL): Likewise.
start-sanitize-sky
Mon Jan 26 16:29:49 1998 Doug Evans <devans@seba.cygnus.com>

View File

@ -78,7 +78,9 @@ segT reg_section, expr_section;
segT text_section, data_section, bss_section;
#endif
int chunksize = 5000;
/* The default obstack chunk size. If we set this to zero, the
obstack code will use whatever will fit in a 4096 byte block. */
int chunksize = 0;
/* To monitor memory allocation more effectively, make this non-zero.
Then the chunk sizes for gas and bfd will be reduced. */
@ -135,6 +137,7 @@ Options:\n\
d omit debugging directives\n\
h include high-level source\n\
l include assembly\n\
m include macro expansions\n\
n omit forms processing\n\
s include symbols\n\
=file set listing file name (must be last sub-option)\n");
@ -147,7 +150,7 @@ Options:\n\
-I DIR add DIR to search list for .include directives\n\
-J don't warn about signed overflow\n\
-K warn when differences altered for long displacements\n\
-L keep local symbols (starting with `L')\n");
-L,--keep-locals keep local symbols (e.g. starting with `L')\n");
fprintf (stream, "\
-M,--mri assemble in MRI compatibility mode\n\
--MD FILE write dependency information in FILE (default none)\n\
@ -155,6 +158,7 @@ Options:\n\
-o OBJFILE name the object-file output OBJFILE (default a.out)\n\
-R fold data section into text section\n\
--statistics print various measured statistics from execution\n\
--strip-local-absolute strip local absolute symbols\n\
--version print assembler version number and exit\n\
-W suppress warnings\n\
--itbl INSTTBL extend instruction set to include instructions\n\
@ -305,6 +309,7 @@ parse_args (pargc, pargv)
static const struct option std_longopts[] = {
#define OPTION_HELP (OPTION_STD_BASE)
{"help", no_argument, NULL, OPTION_HELP},
{"keep-locals", no_argument, NULL, 'L'},
{"mri", no_argument, NULL, 'M'},
#define OPTION_NOCPP (OPTION_STD_BASE + 1)
{"nocpp", no_argument, NULL, OPTION_NOCPP},
@ -331,7 +336,9 @@ parse_args (pargc, pargv)
#define OPTION_DEPFILE (OPTION_STD_BASE + 9)
{"MD", required_argument, NULL, OPTION_DEPFILE},
#define OPTION_GSTABS (OPTION_STD_BASE + 10)
{"gstabs", no_argument, NULL, OPTION_GSTABS}
{"gstabs", no_argument, NULL, OPTION_GSTABS},
#define OPTION_STRIP_LOCAL_ABSOLUTE (OPTION_STD_BASE + 11)
{"strip-local-absolute", no_argument, NULL, OPTION_STRIP_LOCAL_ABSOLUTE}
};
/* Construct the option lists from the standard list and the
@ -412,6 +419,10 @@ parse_args (pargc, pargv)
flag_print_statistics = 1;
break;
case OPTION_STRIP_LOCAL_ABSOLUTE:
flag_strip_local_absolute = 1;
break;
case OPTION_VERSION:
/* This output is intended to follow the GNU standards document. */
printf ("GNU assembler %s\n", VERSION);
@ -556,6 +567,9 @@ the GNU General Public License. This program has absolutely no warranty.\n");
case 'l':
listing |= LISTING_LISTING;
break;
case 'm':
listing |= LISTING_MACEXP;
break;
case 'n':
listing |= LISTING_NOFORM;
break;
@ -733,6 +747,14 @@ main (argc, argv)
else
keep_it = 0;
#if defined (BFD_ASSEMBLER) || !defined (BFD)
/* This used to be done at the start of write_object_file in
write.c, but that caused problems when doing listings when
keep_it was zero. This could probably be moved above md_end, but
I didn't want to risk the change. */
subsegs_finish ();
#endif
if (keep_it)
write_object_file ();

View File

@ -394,95 +394,6 @@ typedef unsigned int relax_substateT;
Could be a problem, cross-assembling for 64-bit machines. */
typedef addressT relax_addressT;
/* frags.c */
/*
* A code fragment (frag) is some known number of chars, followed by some
* unknown number of chars. Typically the unknown number of chars is an
* instruction address whose size is yet unknown. We always know the greatest
* possible size the unknown number of chars may become, and reserve that
* much room at the end of the frag.
* Once created, frags do not change address during assembly.
* We chain the frags in (a) forward-linked list(s). The object-file address
* of the 1st char of a frag is generally not known until after relax().
* Many things at assembly time describe an address by {object-file-address
* of a particular frag}+offset.
BUG: it may be smarter to have a single pointer off to various different
notes for different frag kinds. See how code pans
*/
struct frag
{
/* Object file address. */
addressT fr_address;
/* Chain forward; ascending address order. Rooted in frch_root. */
struct frag *fr_next;
/* (Fixed) number of chars we know we have. May be 0. */
offsetT fr_fix;
/* (Variable) number of chars after above. May be 0. */
offsetT fr_var;
/* For variable-length tail. */
struct symbol *fr_symbol;
/* For variable-length tail. */
offsetT fr_offset;
/* Points to opcode low addr byte, for relaxation. */
char *fr_opcode;
#ifndef NO_LISTING
struct list_info_struct *line;
#endif
/* What state is my tail in? */
relax_stateT fr_type;
relax_substateT fr_subtype;
union {
/* These are needed only on the NS32K machines. But since we don't
include targ-cpu.h until after this structure has been defined,
we can't really conditionalize it. This code should be
rearranged a bit to make that possible. */
struct {
struct frag *fr_opcode_fragP;
unsigned int fr_opcode_offset;
char fr_bsr;
} fr_ns32k;
#ifdef USING_CGEN
/* Don't include this unless using CGEN to keep frag size down. */
struct {
const struct cgen_insn *insn;
unsigned char opindex, opinfo;
} cgen;
#endif
} fr_targ;
/* Where the frag was created, or where it became a variant frag. */
char *fr_file;
unsigned int fr_line;
/* Data begins here. */
char fr_literal[1];
};
#define SIZEOF_STRUCT_FRAG \
((char *)zero_address_frag.fr_literal-(char *)&zero_address_frag)
/* We want to say fr_literal[0] above. */
typedef struct frag fragS;
/* Current frag we are building. This frag is incomplete. It is,
however, included in frchain_now. The fr_fix field is bogus;
instead, use frag_now_fix (). */
COMMON fragS *frag_now;
extern int frag_now_fix PARAMS ((void));
/* For foreign-segment symbol fixups. */
COMMON fragS zero_address_frag;
/* For local common (N_BSS segment) fixups. */
COMMON fragS bss_address_frag;
/* main program "as.c" (command arguments etc) */
COMMON unsigned char flag_no_comments; /* -f */
@ -513,9 +424,11 @@ COMMON int flag_no_warnings; /* -W */
COMMON unsigned char flag_always_generate_output; /* -Z */
/* This is true if the assembler should output time and space usage. */
COMMON unsigned char flag_print_statistics;
/* True if local absolute symbols are to be stripped. */
COMMON int flag_strip_local_absolute;
/* name of emitted object file */
COMMON char *out_file_name;
@ -538,7 +451,7 @@ extern int listing;
enum debug_info_type { DEBUG_NONE, DEBUG_STABS, DEBUG_ECOFF };
extern enum debug_info_type debug_type;
/* Maximum level of macro nesting. */
extern int max_macro_nest;
@ -646,6 +559,7 @@ struct expressionS;
struct fix;
struct symbol;
struct relax_type;
typedef struct frag fragS;
#ifdef BFD_ASSEMBLER
/* literal.c */

View File

@ -1,5 +1,6 @@
/* obj-aout.h, a.out object file format for gas, the assembler.
Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 1996
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
@ -89,7 +90,11 @@ extern void obj_aout_frob_file PARAMS ((void));
#define S_IS_EXTERNAL(s) ((s)->sy_symbol.n_type & N_EXT)
/* True if symbol has been defined, ie is in N_{TEXT,DATA,BSS,ABS} or N_EXT */
#define S_IS_DEFINED(s) ((S_GET_TYPE(s) != N_UNDF) || (S_GET_OTHER(s) != 0) || (S_GET_DESC(s) != 0))
#define S_IS_DEFINED(s) \
(S_GET_TYPE (s) != N_UNDF || S_GET_DESC (s) != 0)
#define S_IS_COMMON(s) \
(S_GET_TYPE (s) == N_UNDF && S_GET_VALUE (s) != 0)
#define S_IS_REGISTER(s) ((s)->sy_symbol.n_type == N_REGISTER)
@ -97,11 +102,14 @@ extern void obj_aout_frob_file PARAMS ((void));
#define S_IS_DEBUG(s) ((s)->sy_symbol.n_type & N_STAB)
/* True if a symbol is local symbol name */
#define S_IS_LOCAL(s) \
(S_GET_NAME (s) \
&& !S_IS_DEBUG (s) \
&& (strchr (S_GET_NAME (s), '\001') != NULL \
|| strchr (S_GET_NAME (s), '\002') != NULL \
|| (S_LOCAL_NAME(s) && !flag_keep_locals)))
((S_GET_NAME (s) \
&& !S_IS_DEBUG (s) \
&& (strchr (S_GET_NAME (s), '\001') != NULL \
|| strchr (S_GET_NAME (s), '\002') != NULL \
|| (S_LOCAL_NAME(s) && !flag_keep_locals))) \
|| (flag_strip_local_absolute \
&& ! S_IS_EXTERNAL(s) \
&& S_GET_SEGMENT == absolute_section))
/* True if a symbol is not defined in this file */
#define S_IS_EXTERN(s) ((s)->sy_symbol.n_type & N_EXT)
/* True if the symbol has been generated because of a .stabd directive */

View File

@ -192,11 +192,14 @@ struct relocation_info
#define S_IS_DEBUG(s) ((s)->sy_symbol.n_type & N_STAB)
/* True if a symbol is local symbol name */
#define S_IS_LOCAL(s) \
(S_GET_NAME (s) \
&& !S_IS_DEBUG (s) \
&& (strchr (S_GET_NAME (s), '\001') != NULL \
|| strchr (S_GET_NAME (s), '\002') != NULL \
|| (S_LOCAL_NAME(s) && !flag_keep_locals)))
((S_GET_NAME (s) \
&& !S_IS_DEBUG (s) \
&& (strchr (S_GET_NAME (s), '\001') != NULL \
|| strchr (S_GET_NAME (s), '\002') != NULL \
|| (S_LOCAL_NAME(s) && !flag_keep_locals))) \
|| (flag_strip_local_absolute \
&& !S_IS_EXTERNAL(s) \
&& S_GET_SEGMENT(s) == absolute_section))
/* True if a symbol is not defined in this file */
#define S_IS_EXTERN(s) ((s)->sy_symbol.n_type & N_EXT)
/* True if the symbol has been generated because of a .stabd directive */

View File

@ -111,7 +111,10 @@
#ifdef TC_SH
#include "coff/sh.h"
#define TARGET_FORMAT (shl ? "coff-shl" : "coff-sh")
#define TARGET_FORMAT \
(shl \
? (sh_small ? "coff-shl-small" : "coff-shl") \
: (sh_small ? "coff-sh-small" : "coff-sh"))
#endif
#ifdef TC_M88K
@ -451,7 +454,10 @@ typedef struct
((s)->sy_symbol.ost_entry.n_scnum == C_REGISTER_SECTION \
|| (S_LOCAL_NAME(s) && ! flag_keep_locals && ! S_IS_DEBUG (s)) \
|| strchr (S_GET_NAME (s), '\001') != NULL \
|| strchr (S_GET_NAME (s), '\002') != NULL)
|| strchr (S_GET_NAME (s), '\002') != NULL \
|| (flag_strip_local_absolute \
&& !S_IS_EXTERNAL(s) \
&& (s)->sy_symbol.ost_entry.n_scnum == C_ABS_SECTION))
/* True if a symbol is not defined in this file */
#define S_IS_EXTERN(s) ((s)->sy_symbol.ost_entry.n_scnum == 0 \
&& S_GET_VALUE (s) == 0)

View File

@ -200,8 +200,8 @@ Here is a brief summary of how to invoke @code{@value{AS}}. For details,
@smallexample
@value{AS} [ -a[cdhlns][=file] ] [ -D ] [ --defsym @var{sym}=@var{val} ]
[ -f ] [ --gstabs ] [ --help ] [ -I @var{dir} ] [ -J ] [ -K ] [ -L ]
[ -o @var{objfile} ] [ -R ] [ --statistics ] [ -v ] [ -version ]
[ --version ] [ -W ] [ -w ] [ -x ] [ -Z ]
[ --keep-locals ] [ -o @var{objfile} ] [ -R ] [ --statistics ] [ -v ]
[ -version ] [ --version ] [ -W ] [ -w ] [ -x ] [ -Z ]
@ifset A29K
@c am29k has no machine-dependent assembler options
@end ifset
@ -219,7 +219,11 @@ Here is a brief summary of how to invoke @code{@value{AS}}. For details,
@ifset D10V
[ -O ]
@end ifset
@c start-sanitize-d30v
@ifset D30V
[ -O | -n | -N ]
@end ifset
@c end-sanitize-d30v
@ifset H8
@c Hitachi family chips have no machine-dependent assembler options
@end ifset
@ -244,7 +248,7 @@ Here is a brief summary of how to invoke @code{@value{AS}}. For details,
@ifset M32R
[ --m32rx ]
@end ifset
@c start-sanitize-m32rx
@c end-sanitize-m32rx
@ifset M680X0
[ -l ] [ -m68000 | -m68010 | -m68020 | ... ]
@end ifset
@ -326,7 +330,10 @@ Issue warnings when difference tables altered for long displacements.
@end ifset
@item -L
Keep (in the symbol table) local symbols, starting with @samp{L}.
@itemx --keep-locals
Keep (in the symbol table) local symbols. On traditional a.out systems
these start with @samp{L}, but different systems have different local
label prefixes.
@item -o @var{objfile}
Name the object-file output from @code{@value{AS}} @var{objfile}.
@ -338,6 +345,9 @@ Fold the data section into the text section.
Print the maximum space (in bytes) and total time (in seconds) used by
assembly.
@item --strip-local-absolute
Remove local absolute symbols from the outgoing symbol table.
@item -v
@itemx -version
Print the @code{as} version.
@ -410,6 +420,27 @@ Optimize output by parallelizing instructions.
@end table
@end ifset
@c start-sanitize-d30v
@ifset D30V
The following options are available when @value{AS} is configured for a D30V
processor.
@table @code
@cindex D30V optimization
@cindex optimization, D30V
@item -O
Optimize output by parallelizing instructions.
@cindex D30V nops
@item -n
Warn when nops are generated.
@cindex D30V nops after 32-bit multiply
@item -N
Warn when a nop after a 32-bit multiply instruction is generated.
@end table
@end ifset
@c end-sanitize-d30v
@ifset I960
The following options are available when @value{AS} is configured for the
Intel 80960 processor.
@ -4670,6 +4701,11 @@ subject, see the hardware manufacturer's manual.
@ifset D10V
* D10V-Dependent:: D10V Dependent Features
@end ifset
@c start-sanitize-d30v
@ifset D30V
* D30V-Dependent:: D30V Dependent Features
@end ifset
@c end-sanitize-d30v
@ifset H8/300
* H8/300-Dependent:: Hitachi H8/300 Dependent Features
@end ifset
@ -4830,6 +4866,12 @@ family.
@include c-d10v.texi
@end ifset
@c start-sanitize-d30v
@ifset D30V
@include c-d30v.texi
@end ifset
@c end-sanitize-d30v
@ifset H8/300
@include c-h8300.texi
@end ifset

View File

@ -724,8 +724,8 @@ resolve_symbol_value (symp, finalize)
{
symp->sy_value.X_op = O_symbol;
S_SET_SEGMENT (symp, S_GET_SEGMENT (add_symbol));
symp->sy_value.X_add_number = final_val;
}
symp->sy_value.X_add_number = final_val;
final_val = 0;
resolved = add_symbol->sy_resolved;
goto exit_dont_set_value;
@ -887,12 +887,12 @@ resolve_symbol_value (symp, finalize)
case O_bit_and: left &= right; break;
case O_add: left += right; break;
case O_subtract: left -= right; break;
case O_eq: left = left == right ? ~ (offsetT) 0 : 0;
case O_ne: left = left != right ? ~ (offsetT) 0 : 0;
case O_lt: left = left < right ? ~ (offsetT) 0 : 0;
case O_le: left = left <= right ? ~ (offsetT) 0 : 0;
case O_ge: left = left >= right ? ~ (offsetT) 0 : 0;
case O_gt: left = left > right ? ~ (offsetT) 0 : 0;
case O_eq: left = left == right ? ~ (offsetT) 0 : 0; break;
case O_ne: left = left != right ? ~ (offsetT) 0 : 0; break;
case O_lt: left = left < right ? ~ (offsetT) 0 : 0; break;
case O_le: left = left <= right ? ~ (offsetT) 0 : 0; break;
case O_ge: left = left >= right ? ~ (offsetT) 0 : 0; break;
case O_gt: left = left > right ? ~ (offsetT) 0 : 0; break;
case O_logical_and: left = left && right; break;
case O_logical_or: left = left || right; break;
default: abort ();
@ -1364,7 +1364,7 @@ S_IS_EXTERNAL (s)
flagword flags = s->bsym->flags;
/* sanity check */
if (flags & BSF_LOCAL && flags & BSF_GLOBAL)
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
abort ();
return (flags & BSF_GLOBAL) != 0;
@ -1408,12 +1408,17 @@ S_IS_LOCAL (s)
const char *name;
/* sanity check */
if (flags & BSF_LOCAL && flags & BSF_GLOBAL)
if ((flags & BSF_LOCAL) && (flags & BSF_GLOBAL))
abort ();
if (bfd_get_section (s->bsym) == reg_section)
return 1;
if (flag_strip_local_absolute
&& (flags & BSF_GLOBAL) == 0
&& bfd_get_section (s->bsym) == absolute_section)
return 1;
name = S_GET_NAME (s);
return (name != NULL
&& ! S_IS_DEBUG (s)
@ -1459,7 +1464,17 @@ S_SET_SEGMENT (s, seg)
symbolS *s;
segT seg;
{
s->bsym->section = seg;
/* Don't reassign section symbols. The direct reason is to prevent seg
faults assigning back to const global symbols such as *ABS*, but it
shouldn't happen anyway. */
if (s->bsym->flags & BSF_SECTION_SYM)
{
if (s->bsym->section != seg)
abort();
}
else
s->bsym->section = seg;
}
void