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authorKen Raeburn <raeburn@cygnus>1992-12-03 23:54:54 +0000
committerKen Raeburn <raeburn@cygnus>1992-12-03 23:54:54 +0000
commit7f2cb2702a7e2451b7096bfef416dfab61cf79d9 (patch)
tree30be7914e6a8181991619e01ddb4c3732b77eaaf /gas/as.h
parentc5dd66a13aa2fd6ab9e98089e171dd74534f5f85 (diff)
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Some cleanup.
Deleted some unused code. Fixed some declarations to use PARAMS macro. Fixed up configure.in for new targets. Some whitespace/comment fixes. Merged config/ChangeLog.
Diffstat (limited to 'gas/as.h')
-rw-r--r--gas/as.h249
1 files changed, 111 insertions, 138 deletions
diff --git a/gas/as.h b/gas/as.h
index bfcdfab..fe2fa7a 100644
--- a/gas/as.h
+++ b/gas/as.h
@@ -29,11 +29,6 @@
#endif /* const */
#endif /* __STDC__ */
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#define register
-#endif /* __GNUC__ */
-
#ifndef __LINE__
#define __LINE__ "unknown"
#endif /* __LINE__ */
@@ -92,7 +87,10 @@
#define DEBUG /* temporary */
#ifdef BROKEN_ASSERT
-/* turn off all assertion checks */
+/* Turn off all assertion checks, on machines where the assert macro
+ is buggy. (For example, on the RS/6000, Reiser-cpp substitution is
+ done to put the condition into a string, so if the condition contains
+ a string, parse errors result.) */
#undef DEBUG
#define NDEBUG
#endif
@@ -182,14 +180,12 @@ typedef enum _segT
typedef int subsegT;
-COMMON subsegT now_subseg;
/* What subseg we are accreting now? */
+COMMON subsegT now_subseg;
-
-COMMON segT now_seg;
/* Segment our instructions emit to. */
/* Only OK values are SEG_TEXT or SEG_DATA. */
-
+COMMON segT now_seg;
extern char *const seg_name[];
extern int section_alignment[];
@@ -199,20 +195,23 @@ extern int section_alignment[];
typedef enum _relax_state
{
- rs_fill = 1, /* Variable chars to be repeated fr_offset times.
- Fr_symbol unused. Used with fr_offset == 0 for a
- constant length frag. */
+ /* Variable chars to be repeated fr_offset times.
+ Fr_symbol unused. Used with fr_offset == 0 for a
+ constant length frag. */
+ rs_fill = 1,
- rs_align, /* Align: Fr_offset: power of 2. 1 variable char: fill
- character. */
+ /* Align: Fr_offset: power of 2. 1 variable char: fill character. */
+ rs_align,
- rs_org, /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
- character. */
+ /* Org: Fr_offset, fr_symbol: address. 1 variable char: fill
+ character. */
+ rs_org,
rs_machine_dependent,
#ifndef WORKING_DOT_WORD
- rs_broken_word, /* JF: gunpoint */
+ /* JF: gunpoint */
+ rs_broken_word,
#endif
} relax_stateT;
@@ -221,8 +220,9 @@ typedef enum _relax_state
boundry. Be very careful with this. */
typedef unsigned long relax_substateT;
-typedef unsigned long relax_addressT; /* Enough bits for address. */
-/* Still an integer type. */
+/* Enough bits for address, but still an integer type.
+ Could be a problem, cross-assembling for 64-bit machines. */
+typedef unsigned long relax_addressT;
/* frags.c */
@@ -244,27 +244,37 @@ typedef unsigned long relax_addressT; /* Enough bits for address. */
*/
struct frag /* a code fragment */
{
- unsigned long fr_address; /* Object file address. */
- struct frag *fr_next; /* Chain forward; ascending address order. */
+ /* Object file address. */
+ unsigned long fr_address;
+ /* Chain forward; ascending address order. */
/* Rooted in frch_root. */
+ struct frag *fr_next;
- long fr_fix; /* (Fixed) number of chars we know we have. */
+ /* (Fixed) number of chars we know we have. */
/* May be 0. */
- long fr_var; /* (Variable) number of chars after above. */
+ long fr_fix;
+ /* (Variable) number of chars after above. */
/* May be 0. */
- struct symbol *fr_symbol; /* For variable-length tail. */
- long fr_offset; /* For variable-length tail. */
- char *fr_opcode; /*->opcode low addr byte,for relax()ation*/
- relax_stateT fr_type; /* What state is my tail in? */
+ long fr_var;
+ /* For variable-length tail. */
+ struct symbol *fr_symbol;
+ /* For variable-length tail. */
+ long fr_offset;
+ /*->opcode low addr byte,for relax()ation*/
+ char *fr_opcode;
+ /* What state is my tail in? */
+ relax_stateT fr_type;
relax_substateT fr_subtype;
+
/* These are needed only on the NS32K machines */
char fr_pcrel_adjust;
char fr_bsr;
#ifndef NO_LISTING
struct list_info_struct *line;
#endif
- char fr_literal[1]; /* Chars begin here. */
- /* One day we will compile fr_literal[0]. */
+ /* Chars begin here.
+ One day we will compile fr_literal[0]. */
+ char fr_literal[1];
};
#define SIZEOF_STRUCT_FRAG \
@@ -273,43 +283,54 @@ struct frag /* a code fragment */
typedef struct frag fragS;
-COMMON fragS *frag_now; /* -> current frag we are building. */
-/* This frag is incomplete. */
-/* It is, however, included in frchain_now. */
-/* Frag_now->fr_fix is bogus. Use: */
-/* Virtual frag_now->fr_fix==obstack_next_free(&frags)-frag_now->fr_literal.*/
+/* Current frag we are building. This frag is incomplete. It is, however,
+ included in frchain_now. The fr_fix field is bogus; instead, use:
+ obstack_next_free(&frags)-frag_now->fr_literal. */
+COMMON fragS *frag_now;
-COMMON fragS zero_address_frag; /* For foreign-segment symbol fixups. */
-COMMON fragS bss_address_frag; /* For local common (N_BSS segment) fixups. */
+/* 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 char flagseen[128]; /* ['x'] TRUE if "-x" seen. */
+/* ['x'] TRUE if "-x" seen. */
+COMMON char flagseen[128];
+COMMON unsigned char flag_readonly_data_in_text;
+COMMON unsigned char flag_suppress_warnings;
+COMMON unsigned char flag_always_generate_output;
-COMMON char *out_file_name; /* name of emitted object file */
+/* name of emitted object file */
+COMMON char *out_file_name;
-COMMON int need_pass_2; /* TRUE if we need a second pass. */
+/* TRUE if we need a second pass. */
+COMMON int need_pass_2;
-COMMON int linkrelax; /* TRUE if we should do no relaxing, and
- leave lots of padding. */
+/* TRUE if we should do no relaxing, and
+ leave lots of padding. */
+COMMON int linkrelax;
-typedef struct
+struct _pseudo_type
{
- char *poc_name; /* assembler mnemonic, lower case, no '.' */
- void (*poc_handler) (); /* Do the work */
- int poc_val; /* Value to pass to handler */
- }
+ /* assembler mnemonic, lower case, no '.' */
+ char *poc_name;
+ /* Do the work */
+ void (*poc_handler) ();
+ /* Value to pass to handler */
+ int poc_val;
+ };
-pseudo_typeS;
+typedef struct _pseudo_type pseudo_typeS;
-#ifdef __STDC__
+#ifndef NO_STDARG
-int had_errors (void);
-int had_warnings (void);
-void as_bad (const char *Format,...);
-void as_fatal (const char *Format,...);
-void as_tsktsk (const char *Format,...);
-void as_warn (const char *Format,...);
+int had_errors PARAMS ((void));
+int had_warnings PARAMS ((void));
+void as_bad PARAMS ((const char *Format,...));
+void as_fatal PARAMS ((const char *Format,...));
+void as_tsktsk PARAMS ((const char *Format,...));
+void as_warn PARAMS ((const char *Format,...));
#else
@@ -322,88 +343,47 @@ void as_warn ();
#endif /* __STDC__ & !NO_STDARG */
-#ifdef __STDC__
-
-char *app_push (void);
-char *atof_ieee (char *str, int what_kind, LITTLENUM_TYPE * words);
-char *input_scrub_include_file (char *filename, char *position);
-char *input_scrub_new_file (char *filename);
-char *input_scrub_next_buffer (char **bufp);
-char *strstr (const char *s, const char *wanted);
-char *xmalloc (int size);
-char *xrealloc (char *ptr, long n);
-int do_scrub_next_char (int (*get) (), void (*unget) ());
-int gen_to_words (LITTLENUM_TYPE * words, int precision, long exponent_bits);
-int had_err (void);
-int had_errors (void);
-int had_warnings (void);
-int ignore_input (void);
-int scrub_from_file (void);
-int scrub_from_file (void);
-int scrub_from_string (void);
-int seen_at_least_1_file (void);
-void app_pop (char *arg);
-void as_howmuch (FILE * stream);
-void as_perror (char *gripe, char *filename);
-void as_where (void);
-void bump_line_counters (void);
-void do_scrub_begin (void);
-void input_scrub_begin (void);
-void input_scrub_close (void);
-void input_scrub_end (void);
-void int_to_gen (long x);
-void new_logical_line (char *fname, int line_number);
-void scrub_to_file (int ch);
-void scrub_to_string (int ch);
-void subseg_change (segT seg, int subseg);
-void subseg_new (segT seg, subsegT subseg);
-void subsegs_begin (void);
-
-#else /* not __STDC__ */
-
-char *app_push ();
-char *atof_ieee ();
-char *input_scrub_include_file ();
-char *input_scrub_new_file ();
-char *input_scrub_next_buffer ();
-char *strstr ();
-char *xmalloc ();
-char *xrealloc ();
-int do_scrub_next_char ();
-int gen_to_words ();
-int had_err ();
-int had_errors ();
-int had_warnings ();
-int ignore_input ();
-int scrub_from_file ();
-int scrub_from_file ();
-int scrub_from_string ();
-int seen_at_least_1_file ();
-void app_pop ();
-void as_howmuch ();
-void as_perror ();
-void as_where ();
-void bump_line_counters ();
-void do_scrub_begin ();
-void input_scrub_begin ();
-void input_scrub_close ();
-void input_scrub_end ();
-void int_to_gen ();
-void new_logical_line ();
-void scrub_to_file ();
-void scrub_to_string ();
-void subseg_change ();
-void subseg_new ();
-void subsegs_begin ();
-
-#endif /* not __STDC__ */
+char *app_push PARAMS ((void));
+char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words));
+char *input_scrub_include_file PARAMS ((char *filename, char *position));
+char *input_scrub_new_file PARAMS ((char *filename));
+char *input_scrub_next_buffer PARAMS ((char **bufp));
+char *strstr PARAMS ((const char *s, const char *wanted));
+char *xmalloc PARAMS ((long size));
+char *xrealloc PARAMS ((char *ptr, long n));
+int do_scrub_next_char PARAMS ((int (*get) (), void (*unget) ()));
+int gen_to_words PARAMS ((LITTLENUM_TYPE * words, int precision,
+ long exponent_bits));
+int had_err PARAMS ((void));
+int had_errors PARAMS ((void));
+int had_warnings PARAMS ((void));
+int ignore_input PARAMS ((void));
+int scrub_from_file PARAMS ((void));
+int scrub_from_file PARAMS ((void));
+int scrub_from_string PARAMS ((void));
+int seen_at_least_1_file PARAMS ((void));
+void app_pop PARAMS ((char *arg));
+void as_howmuch PARAMS ((FILE * stream));
+void as_perror PARAMS ((char *gripe, char *filename));
+void as_where PARAMS ((void));
+void bump_line_counters PARAMS ((void));
+void do_scrub_begin PARAMS ((void));
+void input_scrub_begin PARAMS ((void));
+void input_scrub_close PARAMS ((void));
+void input_scrub_end PARAMS ((void));
+void int_to_gen PARAMS ((long x));
+void new_logical_line PARAMS ((char *fname, int line_number));
+void scrub_to_file PARAMS ((int ch));
+void scrub_to_string PARAMS ((int ch));
+void subseg_change PARAMS ((segT seg, int subseg));
+void subseg_new PARAMS ((segT seg, subsegT subseg));
+void subsegs_begin PARAMS ((void));
/* this one starts the chain of target dependant headers */
#include "targ-env.h"
/* these define types needed by the interfaces */
#include "struc-symbol.h"
-/*#include "aout/reloc.h"*/
#include "write.h"
#include "expr.h"
@@ -417,11 +397,4 @@ void subsegs_begin ();
#include "listing.h"
-/*
- * Local Variables:
- * comment-column: 0
- * fill-column: 131
- * End:
- */
-
/* end of as.h */