Commit | Line | Data |
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252b5132 RH |
1 | /*** coff information for Hitachi SH */ |
2 | ||
3 | /********************** FILE HEADER **********************/ | |
4 | ||
5 | struct external_filehdr { | |
6 | char f_magic[2]; /* magic number */ | |
7 | char f_nscns[2]; /* number of sections */ | |
8 | char f_timdat[4]; /* time & date stamp */ | |
9 | char f_symptr[4]; /* file pointer to symtab */ | |
10 | char f_nsyms[4]; /* number of symtab entries */ | |
11 | char f_opthdr[2]; /* sizeof(optional hdr) */ | |
12 | char f_flags[2]; /* flags */ | |
13 | }; | |
14 | ||
15 | ||
16 | ||
17 | #define SH_ARCH_MAGIC_BIG 0x0500 | |
18 | #define SH_ARCH_MAGIC_LITTLE 0x0550 /* Little endian SH */ | |
056350c6 | 19 | #define SH_ARCH_MAGIC_WINCE 0x01a2 /* Windows CE - little endian */ |
5e671ea1 | 20 | #define SH_PE_MAGIC 0x010b |
252b5132 RH |
21 | |
22 | ||
23 | #define SHBADMAG(x) \ | |
24 | (((x).f_magic!=SH_ARCH_MAGIC_BIG) && \ | |
056350c6 | 25 | ((x).f_magic!=SH_ARCH_MAGIC_WINCE) && \ |
252b5132 RH |
26 | ((x).f_magic!=SH_ARCH_MAGIC_LITTLE)) |
27 | ||
28 | #define FILHDR struct external_filehdr | |
29 | #define FILHSZ 20 | |
30 | ||
31 | ||
32 | /********************** AOUT "OPTIONAL HEADER" **********************/ | |
33 | ||
34 | ||
35 | typedef struct | |
36 | { | |
37 | char magic[2]; /* type of file */ | |
38 | char vstamp[2]; /* version stamp */ | |
39 | char tsize[4]; /* text size in bytes, padded to FW bdry*/ | |
40 | char dsize[4]; /* initialized data " " */ | |
41 | char bsize[4]; /* uninitialized data " " */ | |
42 | char entry[4]; /* entry pt. */ | |
43 | char text_start[4]; /* base of text used for this file */ | |
44 | char data_start[4]; /* base of data used for this file */ | |
45 | } | |
46 | AOUTHDR; | |
47 | ||
48 | ||
49 | #define AOUTHDRSZ 28 | |
50 | #define AOUTSZ 28 | |
51 | ||
52 | ||
53 | ||
056350c6 NC |
54 | /* Define some NT default values. */ |
55 | /* #define NT_IMAGE_BASE 0x400000 moved to internal.h */ | |
56 | #define NT_SECTION_ALIGNMENT 0x1000 | |
57 | #define NT_FILE_ALIGNMENT 0x200 | |
58 | #define NT_DEF_RESERVE 0x100000 | |
59 | #define NT_DEF_COMMIT 0x1000 | |
252b5132 RH |
60 | |
61 | /********************** SECTION HEADER **********************/ | |
62 | ||
63 | ||
64 | struct external_scnhdr { | |
65 | char s_name[8]; /* section name */ | |
66 | char s_paddr[4]; /* physical address, aliased s_nlib */ | |
67 | char s_vaddr[4]; /* virtual address */ | |
68 | char s_size[4]; /* section size */ | |
69 | char s_scnptr[4]; /* file ptr to raw data for section */ | |
70 | char s_relptr[4]; /* file ptr to relocation */ | |
71 | char s_lnnoptr[4]; /* file ptr to line numbers */ | |
72 | char s_nreloc[2]; /* number of relocation entries */ | |
73 | char s_nlnno[2]; /* number of line number entries*/ | |
74 | char s_flags[4]; /* flags */ | |
75 | }; | |
76 | ||
77 | /* | |
78 | * names of "special" sections | |
79 | */ | |
80 | #define _TEXT ".text" | |
81 | #define _DATA ".data" | |
82 | #define _BSS ".bss" | |
83 | ||
84 | ||
85 | #define SCNHDR struct external_scnhdr | |
86 | #define SCNHSZ 40 | |
87 | ||
88 | ||
89 | /********************** LINE NUMBERS **********************/ | |
90 | ||
91 | /* 1 line number entry for every "breakpointable" source line in a section. | |
92 | * Line numbers are grouped on a per function basis; first entry in a function | |
93 | * grouping will have l_lnno = 0 and in place of physical address will be the | |
94 | * symbol table index of the function name. | |
95 | */ | |
96 | struct external_lineno { | |
97 | union { | |
98 | char l_symndx[4]; /* function name symbol index, iff l_lnno == 0*/ | |
99 | char l_paddr[4]; /* (physical) address of line number */ | |
100 | } l_addr; | |
056350c6 NC |
101 | #ifdef COFF_WITH_PE |
102 | char l_lnno[2]; /* line number */ | |
103 | #else | |
252b5132 | 104 | char l_lnno[4]; /* line number */ |
056350c6 | 105 | #endif |
252b5132 RH |
106 | }; |
107 | ||
108 | #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno)); | |
109 | #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_32(abfd,val, (bfd_byte *) (ext->l_lnno)); | |
110 | ||
111 | #define LINENO struct external_lineno | |
056350c6 NC |
112 | #ifdef COFF_WITH_PE |
113 | #define LINESZ 6 | |
114 | #undef GET_LINENO_LNNO | |
115 | #define GET_LINENO_LNNO(abfd, ext) bfd_h_get_16(abfd, (bfd_byte *) (ext->l_lnno)); | |
116 | #undef PUT_LINENO_LNNO | |
117 | #define PUT_LINENO_LNNO(abfd,val, ext) bfd_h_put_16(abfd,val, (bfd_byte *) (ext->l_lnno)); | |
118 | #else | |
252b5132 | 119 | #define LINESZ 8 |
056350c6 | 120 | #endif |
252b5132 RH |
121 | |
122 | ||
123 | /********************** SYMBOLS **********************/ | |
124 | ||
125 | #define E_SYMNMLEN 8 /* # characters in a symbol name */ | |
126 | #define E_FILNMLEN 14 /* # characters in a file name */ | |
127 | #define E_DIMNUM 4 /* # array dimensions in auxiliary entry */ | |
128 | ||
129 | struct external_syment | |
130 | { | |
131 | union { | |
132 | char e_name[E_SYMNMLEN]; | |
133 | struct { | |
134 | char e_zeroes[4]; | |
135 | char e_offset[4]; | |
136 | } e; | |
137 | } e; | |
138 | char e_value[4]; | |
139 | char e_scnum[2]; | |
140 | char e_type[2]; | |
141 | char e_sclass[1]; | |
142 | char e_numaux[1]; | |
143 | }; | |
144 | ||
145 | ||
146 | ||
147 | #define N_BTMASK (017) | |
148 | #define N_TMASK (060) | |
149 | #define N_BTSHFT (4) | |
150 | #define N_TSHIFT (2) | |
151 | ||
152 | ||
153 | union external_auxent { | |
154 | struct { | |
155 | char x_tagndx[4]; /* str, un, or enum tag indx */ | |
156 | union { | |
157 | struct { | |
158 | char x_lnno[2]; /* declaration line number */ | |
159 | char x_size[2]; /* str/union/array size */ | |
160 | } x_lnsz; | |
161 | char x_fsize[4]; /* size of function */ | |
162 | } x_misc; | |
163 | union { | |
164 | struct { /* if ISFCN, tag, or .bb */ | |
165 | char x_lnnoptr[4]; /* ptr to fcn line # */ | |
166 | char x_endndx[4]; /* entry ndx past block end */ | |
167 | } x_fcn; | |
168 | struct { /* if ISARY, up to 4 dimen. */ | |
169 | char x_dimen[E_DIMNUM][2]; | |
170 | } x_ary; | |
171 | } x_fcnary; | |
172 | char x_tvndx[2]; /* tv index */ | |
173 | } x_sym; | |
174 | ||
175 | union { | |
176 | char x_fname[E_FILNMLEN]; | |
177 | struct { | |
178 | char x_zeroes[4]; | |
179 | char x_offset[4]; | |
180 | } x_n; | |
181 | } x_file; | |
182 | ||
183 | struct { | |
184 | char x_scnlen[4]; /* section length */ | |
185 | char x_nreloc[2]; /* # relocation entries */ | |
186 | char x_nlinno[2]; /* # line numbers */ | |
056350c6 NC |
187 | char x_checksum[4]; /* section COMDAT checksum */ |
188 | char x_associated[2]; /* COMDAT associated section index */ | |
189 | char x_comdat[1]; /* COMDAT selection number */ | |
252b5132 RH |
190 | } x_scn; |
191 | ||
192 | struct { | |
193 | char x_tvfill[4]; /* tv fill value */ | |
194 | char x_tvlen[2]; /* length of .tv */ | |
195 | char x_tvran[2][2]; /* tv range */ | |
196 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ | |
197 | ||
198 | ||
199 | }; | |
200 | ||
201 | #define SYMENT struct external_syment | |
202 | #define SYMESZ 18 | |
203 | #define AUXENT union external_auxent | |
204 | #define AUXESZ 18 | |
205 | ||
206 | ||
207 | ||
208 | /********************** RELOCATION DIRECTIVES **********************/ | |
209 | ||
210 | /* The external reloc has an offset field, because some of the reloc | |
211 | types on the h8 don't have room in the instruction for the entire | |
212 | offset - eg the strange jump and high page addressing modes */ | |
213 | ||
056350c6 | 214 | #ifndef COFF_WITH_PE |
252b5132 RH |
215 | struct external_reloc { |
216 | char r_vaddr[4]; | |
217 | char r_symndx[4]; | |
218 | char r_offset[4]; | |
219 | char r_type[2]; | |
220 | char r_stuff[2]; | |
221 | }; | |
056350c6 NC |
222 | #else |
223 | struct external_reloc { | |
224 | char r_vaddr[4]; | |
225 | char r_symndx[4]; | |
226 | char r_type[2]; | |
227 | }; | |
228 | #endif | |
252b5132 RH |
229 | |
230 | ||
231 | #define RELOC struct external_reloc | |
056350c6 NC |
232 | #ifdef COFF_WITH_PE |
233 | #define RELSZ 10 | |
234 | #else | |
252b5132 | 235 | #define RELSZ 16 |
056350c6 | 236 | #endif |
252b5132 RH |
237 | |
238 | /* SH relocation types. Not all of these are actually used. */ | |
239 | ||
240 | #define R_SH_UNUSED 0 /* only used internally */ | |
056350c6 | 241 | #define R_SH_IMM32CE 2 /* 32 bit immediate for WinCE */ |
252b5132 RH |
242 | #define R_SH_PCREL8 3 /* 8 bit pcrel */ |
243 | #define R_SH_PCREL16 4 /* 16 bit pcrel */ | |
244 | #define R_SH_HIGH8 5 /* high 8 bits of 24 bit address */ | |
245 | #define R_SH_LOW16 7 /* low 16 bits of 24 bit immediate */ | |
246 | #define R_SH_IMM24 6 /* 24 bit immediate */ | |
247 | #define R_SH_PCDISP8BY4 9 /* PC rel 8 bits *4 +ve */ | |
248 | #define R_SH_PCDISP8BY2 10 /* PC rel 8 bits *2 +ve */ | |
249 | #define R_SH_PCDISP8 11 /* 8 bit branch */ | |
250 | #define R_SH_PCDISP 12 /* 12 bit branch */ | |
251 | #define R_SH_IMM32 14 /* 32 bit immediate */ | |
252 | #define R_SH_IMM8 16 /* 8 bit immediate */ | |
056350c6 | 253 | #define R_SH_IMAGEBASE 16 /* Windows CE */ |
252b5132 RH |
254 | #define R_SH_IMM8BY2 17 /* 8 bit immediate *2 */ |
255 | #define R_SH_IMM8BY4 18 /* 8 bit immediate *4 */ | |
256 | #define R_SH_IMM4 19 /* 4 bit immediate */ | |
257 | #define R_SH_IMM4BY2 20 /* 4 bit immediate *2 */ | |
258 | #define R_SH_IMM4BY4 21 /* 4 bit immediate *4 */ | |
259 | #define R_SH_PCRELIMM8BY2 22 /* PC rel 8 bits *2 unsigned */ | |
260 | #define R_SH_PCRELIMM8BY4 23 /* PC rel 8 bits *4 unsigned */ | |
261 | #define R_SH_IMM16 24 /* 16 bit immediate */ | |
262 | ||
263 | /* The switch table reloc types are used for relaxing. They are | |
264 | generated for expressions such as | |
265 | .word L1 - L2 | |
266 | The r_offset field holds the difference between the reloc address | |
267 | and L2. */ | |
268 | #define R_SH_SWITCH8 33 /* 8 bit switch table entry */ | |
269 | #define R_SH_SWITCH16 25 /* 16 bit switch table entry */ | |
270 | #define R_SH_SWITCH32 26 /* 32 bit switch table entry */ | |
271 | ||
272 | /* The USES reloc type is used for relaxing. The compiler will | |
273 | generate .uses pseudo-ops when it finds a function call which it | |
274 | can relax. The r_offset field of the USES reloc holds the PC | |
275 | relative offset to the instruction which loads the register used in | |
276 | the function call. */ | |
277 | #define R_SH_USES 27 /* .uses pseudo-op */ | |
278 | ||
279 | /* The COUNT reloc type is used for relaxing. The assembler will | |
280 | generate COUNT relocs for addresses referred to by the register | |
281 | loads associated with USES relocs. The r_offset field of the COUNT | |
282 | reloc holds the number of times the address is referenced in the | |
283 | object file. */ | |
284 | #define R_SH_COUNT 28 /* Count of constant pool uses */ | |
285 | ||
286 | /* The ALIGN reloc type is used for relaxing. The r_offset field is | |
287 | the power of two to which subsequent portions of the object file | |
288 | must be aligned. */ | |
289 | #define R_SH_ALIGN 29 /* .align pseudo-op */ | |
290 | ||
291 | /* The CODE and DATA reloc types are used for aligning load and store | |
292 | instructions. The assembler will generate a CODE reloc before a | |
293 | block of instructions. It will generate a DATA reloc before data. | |
294 | A section should be processed assuming it contains data, unless a | |
295 | CODE reloc is seen. The only relevant pieces of information in the | |
296 | CODE and DATA relocs are the section and the address. The symbol | |
297 | and offset are meaningless. */ | |
298 | #define R_SH_CODE 30 /* start of code */ | |
299 | #define R_SH_DATA 31 /* start of data */ | |
300 | ||
301 | /* The LABEL reloc type is used for aligning load and store | |
302 | instructions. The assembler will generate a LABEL reloc for each | |
303 | label within a block of instructions. This permits the linker to | |
304 | avoid swapping instructions which are the targets of branches. */ | |
305 | #define R_SH_LABEL 32 /* label */ | |
306 | ||
307 | /* NB: R_SH_SWITCH8 is 33 */ | |
015551fc JR |
308 | |
309 | #define R_SH_LOOP_START 34 | |
310 | #define R_SH_LOOP_END 35 |