diff options
Diffstat (limited to 'gas/config/obj-aout.h')
-rw-r--r-- | gas/config/obj-aout.h | 134 |
1 files changed, 66 insertions, 68 deletions
diff --git a/gas/config/obj-aout.h b/gas/config/obj-aout.h index 2718686..8852cf1 100644 --- a/gas/config/obj-aout.h +++ b/gas/config/obj-aout.h @@ -57,10 +57,9 @@ extern const pseudo_typeS aout_pseudo_table[]; #define obj_pop_insert() pop_insert (aout_pseudo_table) #endif -/* SYMBOL TABLE */ -/* Symbol table entry data type */ +/* Symbol table entry data type. */ -typedef struct nlist obj_symbol_type; /* Symbol table entry */ +typedef struct nlist obj_symbol_type; /* Symbol table entry. */ /* Symbol table macros and constants */ @@ -83,26 +82,25 @@ asection *text_section, *data_section, *bss_section; #define obj_frob_symbol(S,PUNT) obj_aout_frob_symbol (S, &PUNT) #define obj_frob_file_before_fix() obj_aout_frob_file_before_fix () -extern void obj_aout_frob_symbol PARAMS ((symbolS *, int *)); -extern void obj_aout_frob_file_before_fix PARAMS ((void)); -#define obj_sec_sym_ok_for_reloc(SEC) (1) +extern void obj_aout_frob_symbol (symbolS *, int *); +extern void obj_aout_frob_file_before_fix (void); + +#define obj_sec_sym_ok_for_reloc(SEC) 1 #else /* We use the sy_obj field to record whether a symbol is weak. */ #define OBJ_SYMFIELD_TYPE char -/* - * Macros to extract information from a symbol table entry. - * This syntactic indirection allows independence regarding a.out or coff. - * The argument (s) of all these macros is a pointer to a symbol table entry. - */ +/* Macros to extract information from a symbol table entry. + This syntactic indirection allows independence regarding a.out or coff. + The argument (s) of all these macros is a pointer to a symbol table entry. */ -/* True if the symbol is external */ +/* True if the symbol is external. */ #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 */ +/* 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_DESC (s) != 0) @@ -117,9 +115,9 @@ extern void obj_aout_frob_file_before_fix PARAMS ((void)); #define S_IS_REGISTER(s) ((s)->sy_symbol.n_type == N_REGISTER) -/* True if a debug special symbol entry */ +/* True if a debug special symbol entry. */ #define S_IS_DEBUG(s) ((s)->sy_symbol.n_type & N_STAB) -/* True if a symbol is local symbol name */ +/* True if a symbol is local symbol name. */ #define S_IS_LOCAL(s) \ ((S_GET_NAME (s) \ && !S_IS_DEBUG (s) \ @@ -129,59 +127,59 @@ extern void obj_aout_frob_file_before_fix PARAMS ((void)); || (flag_strip_local_absolute \ && ! S_IS_EXTERNAL(s) \ && S_GET_SEGMENT (s) == absolute_section)) -/* True if a symbol is not defined in this file */ +/* 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 */ -#define S_IS_STABD(s) (S_GET_NAME(s) == (char *)0) +/* True if the symbol has been generated because of a .stabd directive. */ +#define S_IS_STABD(s) (S_GET_NAME(s) == NULL) -/* Accessors */ -/* The name of the symbol */ +/* Accessors. */ +/* The name of the symbol. */ #define S_GET_NAME(s) ((s)->sy_symbol.n_un.n_name) -/* The pointer to the string table */ +/* The pointer to the string table. */ #define S_GET_OFFSET(s) ((s)->sy_symbol.n_un.n_strx) -/* The type of the symbol */ +/* The type of the symbol. */ #define S_GET_TYPE(s) ((s)->sy_symbol.n_type & N_TYPE) -/* The numeric value of the segment */ +/* The numeric value of the segment. */ #define S_GET_SEGMENT(s) (N_TYPE_seg[S_GET_TYPE(s)]) -/* The n_other expression value */ +/* The n_other expression value. */ #define S_GET_OTHER(s) ((s)->sy_symbol.n_other) -/* The n_desc expression value */ +/* The n_desc expression value. */ #define S_GET_DESC(s) ((s)->sy_symbol.n_desc) /* Whether the symbol is weak. */ #define S_GET_WEAK(s) ((s)->sy_obj) -/* Modifiers */ -/* Assume that a symbol cannot be simultaneously in more than on segment */ -/* set segment */ -#define S_SET_SEGMENT(s,seg) ((s)->sy_symbol.n_type &= ~N_TYPE,(s)->sy_symbol.n_type|=SEGMENT_TO_SYMBOL_TYPE(seg)) -/* The symbol is external */ +/* Modifiers. */ +/* Assume that a symbol cannot be simultaneously in more than on segment. */ +/* Set segment. */ +#define S_SET_SEGMENT(s,seg) ((s)->sy_symbol.n_type &= ~N_TYPE,(s)->sy_symbol.n_type |= SEGMENT_TO_SYMBOL_TYPE (seg)) +/* The symbol is external. */ #define S_SET_EXTERNAL(s) ((s)->sy_symbol.n_type |= N_EXT) -/* The symbol is not external */ +/* The symbol is not external. */ #define S_CLEAR_EXTERNAL(s) ((s)->sy_symbol.n_type &= ~N_EXT) -/* Set the name of the symbol */ +/* Set the name of the symbol. */ #define S_SET_NAME(s,v) ((s)->sy_symbol.n_un.n_name = (v)) -/* Set the offset in the string table */ +/* Set the offset in the string table. */ #define S_SET_OFFSET(s,v) ((s)->sy_symbol.n_un.n_strx = (v)) -/* Set the n_type field */ +/* Set the n_type field. */ #define S_SET_TYPE(s,t) ((s)->sy_symbol.n_type = (t)) -/* Set the n_other expression value */ +/* Set the n_other expression value. */ #define S_SET_OTHER(s,v) ((s)->sy_symbol.n_other = (v)) -/* Set the n_desc expression value */ +/* Set the n_desc expression value. */ #define S_SET_DESC(s,v) ((s)->sy_symbol.n_desc = (v)) /* Mark the symbol as weak. This causes n_type to be adjusted when the symbol is written out. */ #define S_SET_WEAK(s) ((s)->sy_obj = 1) -/* File header macro and type definition */ +/* File header macro and type definition. */ -#define H_GET_FILE_SIZE(h) (H_GET_HEADER_SIZE(h) \ - + H_GET_TEXT_SIZE(h) \ - + H_GET_DATA_SIZE(h) \ - + H_GET_TEXT_RELOCATION_SIZE(h) \ - + H_GET_DATA_RELOCATION_SIZE(h) \ - + H_GET_LINENO_SIZE(h) \ - + H_GET_SYMBOL_TABLE_SIZE(h) \ - + H_GET_STRING_SIZE(h)) +#define H_GET_FILE_SIZE(h) (H_GET_HEADER_SIZE (h) \ + + H_GET_TEXT_SIZE (h) \ + + H_GET_DATA_SIZE (h) \ + + H_GET_TEXT_RELOCATION_SIZE (h) \ + + H_GET_DATA_RELOCATION_SIZE (h) \ + + H_GET_LINENO_SIZE (h) \ + + H_GET_SYMBOL_TABLE_SIZE (h) \ + + H_GET_STRING_SIZE (h)) #define H_GET_HEADER_SIZE(h) (EXEC_BYTES_SIZE) #define H_GET_TEXT_SIZE(h) ((h)->header.a_text) @@ -200,31 +198,31 @@ extern void obj_aout_frob_file_before_fix PARAMS ((void)); #define H_GET_MAGIC_NUMBER(h) ((h)->header.a_info & 0xffff) #define H_SET_DYNAMIC(h,v) ((h)->header.a_info = (((v) << 31) \ - | (H_GET_VERSION(h) << 24) \ - | (H_GET_MACHTYPE(h) << 16) \ - | (H_GET_MAGIC_NUMBER(h)))) + | (H_GET_VERSION (h) << 24) \ + | (H_GET_MACHTYPE (h) << 16) \ + | (H_GET_MAGIC_NUMBER (h)))) -#define H_SET_VERSION(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \ +#define H_SET_VERSION(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC (h) << 31) \ | ((v) << 24) \ - | (H_GET_MACHTYPE(h) << 16) \ - | (H_GET_MAGIC_NUMBER(h)))) + | (H_GET_MACHTYPE (h) << 16) \ + | (H_GET_MAGIC_NUMBER (h)))) -#define H_SET_MACHTYPE(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \ - | (H_GET_VERSION(h) << 24) \ +#define H_SET_MACHTYPE(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC (h) << 31) \ + | (H_GET_VERSION (h) << 24) \ | ((v) << 16) \ - | (H_GET_MAGIC_NUMBER(h)))) + | (H_GET_MAGIC_NUMBER (h)))) -#define H_SET_MAGIC_NUMBER(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC(h) << 31) \ - | (H_GET_VERSION(h) << 24) \ - | (H_GET_MACHTYPE(h) << 16) \ +#define H_SET_MAGIC_NUMBER(h,v) ((h)->header.a_info = ((H_GET_DYNAMIC (h) << 31) \ + | (H_GET_VERSION (h) << 24) \ + | (H_GET_MACHTYPE (h) << 16) \ | ((v)))) -#define H_SET_TEXT_SIZE(h,v) ((h)->header.a_text = md_section_align(SEG_TEXT, (v))) -#define H_SET_DATA_SIZE(h,v) ((h)->header.a_data = md_section_align(SEG_DATA, (v))) -#define H_SET_BSS_SIZE(h,v) ((h)->header.a_bss = md_section_align(SEG_BSS, (v))) +#define H_SET_TEXT_SIZE(h,v) ((h)->header.a_text = md_section_align (SEG_TEXT, (v))) +#define H_SET_DATA_SIZE(h,v) ((h)->header.a_data = md_section_align (SEG_DATA, (v))) +#define H_SET_BSS_SIZE(h,v) ((h)->header.a_bss = md_section_align (SEG_BSS, (v))) -#define H_SET_RELOCATION_SIZE(h,t,d) (H_SET_TEXT_RELOCATION_SIZE((h),(t)),\ - H_SET_DATA_RELOCATION_SIZE((h),(d))) +#define H_SET_RELOCATION_SIZE(h,t,d) (H_SET_TEXT_RELOCATION_SIZE ((h),(t)),\ + H_SET_DATA_RELOCATION_SIZE ((h),(d))) #define H_SET_TEXT_RELOCATION_SIZE(h,v) ((h)->header.a_trsize = (v)) #define H_SET_DATA_RELOCATION_SIZE(h,v) ((h)->header.a_drsize = (v)) @@ -234,18 +232,18 @@ extern void obj_aout_frob_file_before_fix PARAMS ((void)); #define H_SET_STRING_SIZE(h,v) ((h)->string_table_size = (v)) typedef struct - { - struct exec header; /* a.out header */ - long string_table_size; /* names + '\0' + sizeof (int) */ - } +{ + struct exec header; /* a.out header. */ + long string_table_size; /* names + '\0' + sizeof (int). */ +} object_headers; -/* line numbering stuff. */ +/* Line numbering stuff. */ #define OBJ_EMIT_LINENO(a, b, c) {;} struct fix; -void tc_aout_fix_to_chars PARAMS ((char *where, struct fix *fixP, relax_addressT segment_address)); +extern void tc_aout_fix_to_chars (char *, struct fix *, relax_addressT); #endif |