diff options
| -rw-r--r-- | gas/as.h | 179 |
1 files changed, 116 insertions, 63 deletions
@@ -18,25 +18,6 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #define GAS 1 -#include <ansidecl.h> -#include "host.h" -#include "flonum.h" - -#ifndef __STDC__ -#define volatile /**/ -#ifndef const -#define const /**/ -#endif /* const */ -#endif /* __STDC__ */ - -#ifndef __LINE__ -#define __LINE__ "unknown" -#endif /* __LINE__ */ - -#ifndef __FILE__ -#define __FILE__ "unknown" -#endif /* __FILE__ */ - /* * I think this stuff is largely out of date. xoxorich. * @@ -47,7 +28,7 @@ * "lowercaseS" is typedef struct ... lowercaseS. * * #define DEBUG to enable all the "know" assertion tests. - * #define SUSPECT when debugging. + * #define SUSPECT when debugging hash code. * #define COMMON as "extern" for all modules except one, where you #define * COMMON as "". * If TEST is #defined, then we are testing a module: #define COMMON as "". @@ -55,12 +36,30 @@ /* These #defines are for parameters of entire assembler. */ -/* #define SUSPECT JF remove for speed testing */ +#define DEBUG /* temporary */ /* These #includes are for type definitions etc. */ #include <stdio.h> +#ifdef DEBUG +#undef NDEBUG +#endif #include <assert.h> +#include <ansidecl.h> +#ifdef BFD_ASSEMBLER +#include <bfd.h> +#endif +#include "host.h" +#include "flonum.h" + +#ifndef __LINE__ +#define __LINE__ "unknown" +#endif /* __LINE__ */ + +#ifndef __FILE__ +#define __FILE__ "unknown" +#endif /* __FILE__ */ + #define obstack_chunk_alloc xmalloc #define obstack_chunk_free xfree @@ -75,6 +74,9 @@ /* These are assembler-wide concepts */ +#ifdef BFD_ASSEMBLER +extern bfd *stdoutput; +#endif #ifndef COMMON #ifdef TEST @@ -84,25 +86,23 @@ #endif #endif /* COMMON now defined */ -#define DEBUG /* temporary */ - -#ifdef BROKEN_ASSERT -/* 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 #ifdef DEBUG -#undef NDEBUG #ifndef know #define know(p) assert(p) /* Verify our assumptions! */ #endif /* not yet defined */ #else #define know(p) /* know() checks are no-op.ed */ #endif + +#if defined (BROKEN_ASSERT) && !defined (NDEBUG) +/* Used 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.) If + the condition fails, just drop core file. */ +#undef assert +#define assert(p) ((p) ? 0 : (abort (), 0)) +#endif /* input_scrub.c */ @@ -114,6 +114,7 @@ /* subsegs.c Sub-segments. Also, segment(=expression type)s.*/ +#ifndef BFD_ASSEMBLER /* * This table describes the use of segments as EXPRESSION types. * @@ -149,8 +150,8 @@ #define N_SEGMENTS 10 #define SEG_NORMAL(x) ((x) >= SEG_E0 && (x) <= SEG_E9) #define SEG_LIST SEG_E0,SEG_E1,SEG_E2,SEG_E3,SEG_E4,SEG_E5,SEG_E6,SEG_E7,SEG_E8,SEG_E9 -#define SEG_DATA SEG_E1 #define SEG_TEXT SEG_E0 +#define SEG_DATA SEG_E1 #define SEG_BSS SEG_E2 #else #define N_SEGMENTS 3 @@ -177,19 +178,54 @@ typedef enum _segT } segT; #define SEG_MAXIMUM_ORDINAL (SEG_REGISTER) - +#else +typedef asection *segT; +#define SEG_NORMAL(SEG) ((SEG) != absolute_section \ + && (SEG) != undefined_section \ + && (SEG) != big_section \ + && (SEG) != reg_section \ + && (SEG) != pass1_section \ + && (SEG) != diff_section \ + && (SEG) != absent_section) +#endif typedef int subsegT; /* What subseg we are accreting now? */ COMMON subsegT now_subseg; /* Segment our instructions emit to. */ -/* Only OK values are SEG_TEXT or SEG_DATA. */ COMMON segT now_seg; -extern char *const seg_name[]; +#ifdef BFD_ASSEMBLER +#define segment_name(SEG) bfd_get_section_name (stdoutput, SEG) +#else +extern char *CONST seg_name[]; +#define segment_name(SEG) seg_name[(int) (SEG)] +#endif + +#ifndef BFD_ASSEMBLER extern int section_alignment[]; +#endif +#ifdef BFD_ASSEMBLER +extern segT big_section, reg_section, pass1_section; +extern segT diff_section, absent_section; +/* Shouldn't these be eliminated someday? */ +extern segT text_section, data_section, bss_section; +#define absolute_section (&bfd_abs_section) +#define undefined_section (&bfd_und_section) +#else +#define big_section SEG_BIG +#define reg_section SEG_REGISTER +#define pass1_section SEG_PASS1 +#define diff_section SEG_DIFFERENCE +#define absent_section SEG_ABSENT +#define text_section SEG_TEXT +#define data_section SEG_DATA +#define bss_section SEG_BSS +#define absolute_section SEG_ABSOLUTE +#define undefined_section SEG_UNKNOWN +#endif /* relax() */ @@ -242,26 +278,28 @@ typedef unsigned long relax_addressT; 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 /* a code fragment */ +struct frag { /* Object file address. */ unsigned long fr_address; - /* Chain forward; ascending address order. */ - /* Rooted in frch_root. */ + /* Chain forward; ascending address order. Rooted in frch_root. */ struct frag *fr_next; - /* (Fixed) number of chars we know we have. */ - /* May be 0. */ + /* (Fixed) number of chars we know we have. May be 0. */ long fr_fix; - /* (Variable) number of chars after above. */ - /* May be 0. */ + /* (Variable) number of chars after above. May be 0. */ 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*/ + /* 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; @@ -269,9 +307,7 @@ struct frag /* a code fragment */ /* These are needed only on the NS32K machines */ char fr_pcrel_adjust; char fr_bsr; -#ifndef NO_LISTING - struct list_info_struct *line; -#endif + /* Chars begin here. One day we will compile fr_literal[0]. */ char fr_literal[1]; @@ -287,6 +323,7 @@ typedef struct frag fragS; included in frchain_now. The fr_fix field is bogus; instead, use: obstack_next_free(&frags)-frag_now->fr_literal. */ COMMON fragS *frag_now; +#define frag_now_fix() (obstack_next_free (&frags) - frag_now->fr_literal) /* For foreign-segment symbol fixups. */ COMMON fragS zero_address_frag; @@ -323,25 +360,36 @@ struct _pseudo_type typedef struct _pseudo_type pseudo_typeS; -#ifndef NO_STDARG +#ifdef BFD_ASSEMBLER_xxx +struct lineno_struct + { + alent line; + fragS *frag; + struct lineno_struct *next; + }; +typedef struct lineno_struct lineno; +#endif -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,...)); +#if defined (__STDC__) && !defined(NO_STDARG) -#else +#if __GNUC__ >= 2 +/* for use with -Wformat */ +#define PRINTF_LIKE(FCN) void FCN (const char *Format, ...) \ + __attribute__ ((format (printf, 1, 2))) +#else /* ANSI C with stdarg, but not GNU C */ +#define PRINTF_LIKE(FCN) void FCN (const char *Format, ...) +#endif +#else /* not ANSI C, or not stdarg */ +#define PRINTF_LIKE(FCN) void FCN () +#endif -int had_errors (); -int had_warnings (); -void as_bad (); -void as_fatal (); -void as_tsktsk (); -void as_warn (); +PRINTF_LIKE (as_bad); +PRINTF_LIKE (as_fatal); +PRINTF_LIKE (as_tsktsk); +PRINTF_LIKE (as_warn); -#endif /* __STDC__ & !NO_STDARG */ +int had_errors PARAMS ((void)); +int had_warnings PARAMS ((void)); char *app_push PARAMS ((void)); char *atof_ieee PARAMS ((char *str, int what_kind, LITTLENUM_TYPE * words)); @@ -375,9 +423,14 @@ 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 subsegs_begin PARAMS ((void)); void subseg_change PARAMS ((segT seg, int subseg)); +#ifdef BFD_ASSEMBLER +segT subseg_new PARAMS ((char *name, subsegT subseg)); +void subseg_set PARAMS ((segT seg, subsegT subseg)); +#else void subseg_new PARAMS ((segT seg, subsegT subseg)); -void subsegs_begin PARAMS ((void)); +#endif /* this one starts the chain of target dependant headers */ #include "targ-env.h" |