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-rw-r--r--include/asm-parisc/elf.h342
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diff --git a/include/asm-parisc/elf.h b/include/asm-parisc/elf.h
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1#ifndef __ASMPARISC_ELF_H
2#define __ASMPARISC_ELF_H
3
4/*
5 * ELF register definitions..
6 */
7
8#include <asm/ptrace.h>
9
10#define EM_PARISC 15
11
12/* HPPA specific definitions. */
13
14/* Legal values for e_flags field of Elf32_Ehdr. */
15
16#define EF_PARISC_TRAPNIL 0x00010000 /* Trap nil pointer dereference. */
17#define EF_PARISC_EXT 0x00020000 /* Program uses arch. extensions. */
18#define EF_PARISC_LSB 0x00040000 /* Program expects little endian. */
19#define EF_PARISC_WIDE 0x00080000 /* Program expects wide mode. */
20#define EF_PARISC_NO_KABP 0x00100000 /* No kernel assisted branch
21 prediction. */
22#define EF_PARISC_LAZYSWAP 0x00400000 /* Allow lazy swapping. */
23#define EF_PARISC_ARCH 0x0000ffff /* Architecture version. */
24
25/* Defined values for `e_flags & EF_PARISC_ARCH' are: */
26
27#define EFA_PARISC_1_0 0x020b /* PA-RISC 1.0 big-endian. */
28#define EFA_PARISC_1_1 0x0210 /* PA-RISC 1.1 big-endian. */
29#define EFA_PARISC_2_0 0x0214 /* PA-RISC 2.0 big-endian. */
30
31/* Additional section indices. */
32
33#define SHN_PARISC_ANSI_COMMON 0xff00 /* Section for tenatively declared
34 symbols in ANSI C. */
35#define SHN_PARISC_HUGE_COMMON 0xff01 /* Common blocks in huge model. */
36
37/* Legal values for sh_type field of Elf32_Shdr. */
38
39#define SHT_PARISC_EXT 0x70000000 /* Contains product specific ext. */
40#define SHT_PARISC_UNWIND 0x70000001 /* Unwind information. */
41#define SHT_PARISC_DOC 0x70000002 /* Debug info for optimized code. */
42
43/* Legal values for sh_flags field of Elf32_Shdr. */
44
45#define SHF_PARISC_SHORT 0x20000000 /* Section with short addressing. */
46#define SHF_PARISC_HUGE 0x40000000 /* Section far from gp. */
47#define SHF_PARISC_SBP 0x80000000 /* Static branch prediction code. */
48
49/* Legal values for ST_TYPE subfield of st_info (symbol type). */
50
51#define STT_PARISC_MILLICODE 13 /* Millicode function entry point. */
52
53#define STT_HP_OPAQUE (STT_LOOS + 0x1)
54#define STT_HP_STUB (STT_LOOS + 0x2)
55
56/* HPPA relocs. */
57
58#define R_PARISC_NONE 0 /* No reloc. */
59#define R_PARISC_DIR32 1 /* Direct 32-bit reference. */
60#define R_PARISC_DIR21L 2 /* Left 21 bits of eff. address. */
61#define R_PARISC_DIR17R 3 /* Right 17 bits of eff. address. */
62#define R_PARISC_DIR17F 4 /* 17 bits of eff. address. */
63#define R_PARISC_DIR14R 6 /* Right 14 bits of eff. address. */
64#define R_PARISC_PCREL32 9 /* 32-bit rel. address. */
65#define R_PARISC_PCREL21L 10 /* Left 21 bits of rel. address. */
66#define R_PARISC_PCREL17R 11 /* Right 17 bits of rel. address. */
67#define R_PARISC_PCREL17F 12 /* 17 bits of rel. address. */
68#define R_PARISC_PCREL14R 14 /* Right 14 bits of rel. address. */
69#define R_PARISC_DPREL21L 18 /* Left 21 bits of rel. address. */
70#define R_PARISC_DPREL14R 22 /* Right 14 bits of rel. address. */
71#define R_PARISC_GPREL21L 26 /* GP-relative, left 21 bits. */
72#define R_PARISC_GPREL14R 30 /* GP-relative, right 14 bits. */
73#define R_PARISC_LTOFF21L 34 /* LT-relative, left 21 bits. */
74#define R_PARISC_LTOFF14R 38 /* LT-relative, right 14 bits. */
75#define R_PARISC_SECREL32 41 /* 32 bits section rel. address. */
76#define R_PARISC_SEGBASE 48 /* No relocation, set segment base. */
77#define R_PARISC_SEGREL32 49 /* 32 bits segment rel. address. */
78#define R_PARISC_PLTOFF21L 50 /* PLT rel. address, left 21 bits. */
79#define R_PARISC_PLTOFF14R 54 /* PLT rel. address, right 14 bits. */
80#define R_PARISC_LTOFF_FPTR32 57 /* 32 bits LT-rel. function pointer. */
81#define R_PARISC_LTOFF_FPTR21L 58 /* LT-rel. fct ptr, left 21 bits. */
82#define R_PARISC_LTOFF_FPTR14R 62 /* LT-rel. fct ptr, right 14 bits. */
83#define R_PARISC_FPTR64 64 /* 64 bits function address. */
84#define R_PARISC_PLABEL32 65 /* 32 bits function address. */
85#define R_PARISC_PCREL64 72 /* 64 bits PC-rel. address. */
86#define R_PARISC_PCREL22F 74 /* 22 bits PC-rel. address. */
87#define R_PARISC_PCREL14WR 75 /* PC-rel. address, right 14 bits. */
88#define R_PARISC_PCREL14DR 76 /* PC rel. address, right 14 bits. */
89#define R_PARISC_PCREL16F 77 /* 16 bits PC-rel. address. */
90#define R_PARISC_PCREL16WF 78 /* 16 bits PC-rel. address. */
91#define R_PARISC_PCREL16DF 79 /* 16 bits PC-rel. address. */
92#define R_PARISC_DIR64 80 /* 64 bits of eff. address. */
93#define R_PARISC_DIR14WR 83 /* 14 bits of eff. address. */
94#define R_PARISC_DIR14DR 84 /* 14 bits of eff. address. */
95#define R_PARISC_DIR16F 85 /* 16 bits of eff. address. */
96#define R_PARISC_DIR16WF 86 /* 16 bits of eff. address. */
97#define R_PARISC_DIR16DF 87 /* 16 bits of eff. address. */
98#define R_PARISC_GPREL64 88 /* 64 bits of GP-rel. address. */
99#define R_PARISC_GPREL14WR 91 /* GP-rel. address, right 14 bits. */
100#define R_PARISC_GPREL14DR 92 /* GP-rel. address, right 14 bits. */
101#define R_PARISC_GPREL16F 93 /* 16 bits GP-rel. address. */
102#define R_PARISC_GPREL16WF 94 /* 16 bits GP-rel. address. */
103#define R_PARISC_GPREL16DF 95 /* 16 bits GP-rel. address. */
104#define R_PARISC_LTOFF64 96 /* 64 bits LT-rel. address. */
105#define R_PARISC_LTOFF14WR 99 /* LT-rel. address, right 14 bits. */
106#define R_PARISC_LTOFF14DR 100 /* LT-rel. address, right 14 bits. */
107#define R_PARISC_LTOFF16F 101 /* 16 bits LT-rel. address. */
108#define R_PARISC_LTOFF16WF 102 /* 16 bits LT-rel. address. */
109#define R_PARISC_LTOFF16DF 103 /* 16 bits LT-rel. address. */
110#define R_PARISC_SECREL64 104 /* 64 bits section rel. address. */
111#define R_PARISC_SEGREL64 112 /* 64 bits segment rel. address. */
112#define R_PARISC_PLTOFF14WR 115 /* PLT-rel. address, right 14 bits. */
113#define R_PARISC_PLTOFF14DR 116 /* PLT-rel. address, right 14 bits. */
114#define R_PARISC_PLTOFF16F 117 /* 16 bits LT-rel. address. */
115#define R_PARISC_PLTOFF16WF 118 /* 16 bits PLT-rel. address. */
116#define R_PARISC_PLTOFF16DF 119 /* 16 bits PLT-rel. address. */
117#define R_PARISC_LTOFF_FPTR64 120 /* 64 bits LT-rel. function ptr. */
118#define R_PARISC_LTOFF_FPTR14WR 123 /* LT-rel. fct. ptr., right 14 bits. */
119#define R_PARISC_LTOFF_FPTR14DR 124 /* LT-rel. fct. ptr., right 14 bits. */
120#define R_PARISC_LTOFF_FPTR16F 125 /* 16 bits LT-rel. function ptr. */
121#define R_PARISC_LTOFF_FPTR16WF 126 /* 16 bits LT-rel. function ptr. */
122#define R_PARISC_LTOFF_FPTR16DF 127 /* 16 bits LT-rel. function ptr. */
123#define R_PARISC_LORESERVE 128
124#define R_PARISC_COPY 128 /* Copy relocation. */
125#define R_PARISC_IPLT 129 /* Dynamic reloc, imported PLT */
126#define R_PARISC_EPLT 130 /* Dynamic reloc, exported PLT */
127#define R_PARISC_TPREL32 153 /* 32 bits TP-rel. address. */
128#define R_PARISC_TPREL21L 154 /* TP-rel. address, left 21 bits. */
129#define R_PARISC_TPREL14R 158 /* TP-rel. address, right 14 bits. */
130#define R_PARISC_LTOFF_TP21L 162 /* LT-TP-rel. address, left 21 bits. */
131#define R_PARISC_LTOFF_TP14R 166 /* LT-TP-rel. address, right 14 bits.*/
132#define R_PARISC_LTOFF_TP14F 167 /* 14 bits LT-TP-rel. address. */
133#define R_PARISC_TPREL64 216 /* 64 bits TP-rel. address. */
134#define R_PARISC_TPREL14WR 219 /* TP-rel. address, right 14 bits. */
135#define R_PARISC_TPREL14DR 220 /* TP-rel. address, right 14 bits. */
136#define R_PARISC_TPREL16F 221 /* 16 bits TP-rel. address. */
137#define R_PARISC_TPREL16WF 222 /* 16 bits TP-rel. address. */
138#define R_PARISC_TPREL16DF 223 /* 16 bits TP-rel. address. */
139#define R_PARISC_LTOFF_TP64 224 /* 64 bits LT-TP-rel. address. */
140#define R_PARISC_LTOFF_TP14WR 227 /* LT-TP-rel. address, right 14 bits.*/
141#define R_PARISC_LTOFF_TP14DR 228 /* LT-TP-rel. address, right 14 bits.*/
142#define R_PARISC_LTOFF_TP16F 229 /* 16 bits LT-TP-rel. address. */
143#define R_PARISC_LTOFF_TP16WF 230 /* 16 bits LT-TP-rel. address. */
144#define R_PARISC_LTOFF_TP16DF 231 /* 16 bits LT-TP-rel. address. */
145#define R_PARISC_HIRESERVE 255
146
147#define PA_PLABEL_FDESC 0x02 /* bit set if PLABEL points to
148 * a function descriptor, not
149 * an address */
150
151/* The following are PA function descriptors
152 *
153 * addr: the absolute address of the function
154 * gp: either the data pointer (r27) for non-PIC code or the
155 * the PLT pointer (r19) for PIC code */
156
157/* Format for the Elf32 Function descriptor */
158typedef struct elf32_fdesc {
159 __u32 addr;
160 __u32 gp;
161} Elf32_Fdesc;
162
163/* Format for the Elf64 Function descriptor */
164typedef struct elf64_fdesc {
165 __u64 dummy[2]; /* FIXME: nothing uses these, why waste
166 * the space */
167 __u64 addr;
168 __u64 gp;
169} Elf64_Fdesc;
170
171/* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */
172
173#define PT_HP_TLS (PT_LOOS + 0x0)
174#define PT_HP_CORE_NONE (PT_LOOS + 0x1)
175#define PT_HP_CORE_VERSION (PT_LOOS + 0x2)
176#define PT_HP_CORE_KERNEL (PT_LOOS + 0x3)
177#define PT_HP_CORE_COMM (PT_LOOS + 0x4)
178#define PT_HP_CORE_PROC (PT_LOOS + 0x5)
179#define PT_HP_CORE_LOADABLE (PT_LOOS + 0x6)
180#define PT_HP_CORE_STACK (PT_LOOS + 0x7)
181#define PT_HP_CORE_SHM (PT_LOOS + 0x8)
182#define PT_HP_CORE_MMF (PT_LOOS + 0x9)
183#define PT_HP_PARALLEL (PT_LOOS + 0x10)
184#define PT_HP_FASTBIND (PT_LOOS + 0x11)
185#define PT_HP_OPT_ANNOT (PT_LOOS + 0x12)
186#define PT_HP_HSL_ANNOT (PT_LOOS + 0x13)
187#define PT_HP_STACK (PT_LOOS + 0x14)
188
189#define PT_PARISC_ARCHEXT 0x70000000
190#define PT_PARISC_UNWIND 0x70000001
191
192/* Legal values for p_flags field of Elf32_Phdr/Elf64_Phdr. */
193
194#define PF_PARISC_SBP 0x08000000
195
196#define PF_HP_PAGE_SIZE 0x00100000
197#define PF_HP_FAR_SHARED 0x00200000
198#define PF_HP_NEAR_SHARED 0x00400000
199#define PF_HP_CODE 0x01000000
200#define PF_HP_MODIFY 0x02000000
201#define PF_HP_LAZYSWAP 0x04000000
202#define PF_HP_SBP 0x08000000
203
204/*
205 * The following definitions are those for 32-bit ELF binaries on a 32-bit
206 * kernel and for 64-bit binaries on a 64-bit kernel. To run 32-bit binaries
207 * on a 64-bit kernel, arch/parisc/kernel/binfmt_elf32.c defines these
208 * macros appropriately and then #includes binfmt_elf.c, which then includes
209 * this file.
210 */
211#ifndef ELF_CLASS
212
213/*
214 * This is used to ensure we don't load something for the wrong architecture.
215 *
216 * Note that this header file is used by default in fs/binfmt_elf.c. So
217 * the following macros are for the default case. However, for the 64
218 * bit kernel we also support 32 bit parisc binaries. To do that
219 * arch/parisc/kernel/binfmt_elf32.c defines its own set of these
220 * macros, and then it includes fs/binfmt_elf.c to provide an alternate
221 * elf binary handler for 32 bit binaries (on the 64 bit kernel).
222 */
223#ifdef CONFIG_64BIT
224#define ELF_CLASS ELFCLASS64
225#else
226#define ELF_CLASS ELFCLASS32
227#endif
228
229typedef unsigned long elf_greg_t;
230
231/*
232 * This yields a string that ld.so will use to load implementation
233 * specific libraries for optimization. This is more specific in
234 * intent than poking at uname or /proc/cpuinfo.
235 */
236
237#define ELF_PLATFORM ("PARISC\0")
238
239#define SET_PERSONALITY(ex) \
240 current->personality = PER_LINUX; \
241 current->thread.map_base = DEFAULT_MAP_BASE; \
242 current->thread.task_size = DEFAULT_TASK_SIZE \
243
244/*
245 * Fill in general registers in a core dump. This saves pretty
246 * much the same registers as hp-ux, although in a different order.
247 * Registers marked # below are not currently saved in pt_regs, so
248 * we use their current values here.
249 *
250 * gr0..gr31
251 * sr0..sr7
252 * iaoq0..iaoq1
253 * iasq0..iasq1
254 * cr11 (sar)
255 * cr19 (iir)
256 * cr20 (isr)
257 * cr21 (ior)
258 * # cr22 (ipsw)
259 * # cr0 (recovery counter)
260 * # cr24..cr31 (temporary registers)
261 * # cr8,9,12,13 (protection IDs)
262 * # cr10 (scr/ccr)
263 * # cr15 (ext int enable mask)
264 *
265 */
266
267#define ELF_CORE_COPY_REGS(dst, pt) \
268 memset(dst, 0, sizeof(dst)); /* don't leak any "random" bits */ \
269 memcpy(dst + 0, pt->gr, 32 * sizeof(elf_greg_t)); \
270 memcpy(dst + 32, pt->sr, 8 * sizeof(elf_greg_t)); \
271 memcpy(dst + 40, pt->iaoq, 2 * sizeof(elf_greg_t)); \
272 memcpy(dst + 42, pt->iasq, 2 * sizeof(elf_greg_t)); \
273 dst[44] = pt->sar; dst[45] = pt->iir; \
274 dst[46] = pt->isr; dst[47] = pt->ior; \
275 dst[48] = mfctl(22); dst[49] = mfctl(0); \
276 dst[50] = mfctl(24); dst[51] = mfctl(25); \
277 dst[52] = mfctl(26); dst[53] = mfctl(27); \
278 dst[54] = mfctl(28); dst[55] = mfctl(29); \
279 dst[56] = mfctl(30); dst[57] = mfctl(31); \
280 dst[58] = mfctl( 8); dst[59] = mfctl( 9); \
281 dst[60] = mfctl(12); dst[61] = mfctl(13); \
282 dst[62] = mfctl(10); dst[63] = mfctl(15);
283
284#endif /* ! ELF_CLASS */
285
286#define ELF_NGREG 80 /* We only need 64 at present, but leave space
287 for expansion. */
288typedef elf_greg_t elf_gregset_t[ELF_NGREG];
289
290#define ELF_NFPREG 32
291typedef double elf_fpreg_t;
292typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
293
294struct task_struct;
295
296extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
297#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
298
299struct pt_regs; /* forward declaration... */
300
301
302#define elf_check_arch(x) ((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELF_CLASS)
303
304/*
305 * These are used to set parameters in the core dumps.
306 */
307#define ELF_DATA ELFDATA2MSB
308#define ELF_ARCH EM_PARISC
309#define ELF_OSABI ELFOSABI_LINUX
310
311/* %r23 is set by ld.so to a pointer to a function which might be
312 registered using atexit. This provides a means for the dynamic
313 linker to call DT_FINI functions for shared libraries that have
314 been loaded before the code runs.
315
316 So that we can use the same startup file with static executables,
317 we start programs with a value of 0 to indicate that there is no
318 such function. */
319#define ELF_PLAT_INIT(_r, load_addr) _r->gr[23] = 0
320
321#define USE_ELF_CORE_DUMP
322#define ELF_EXEC_PAGESIZE 4096
323
324/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
325 use of this is to invoke "./ld.so someprog" to test out a new version of
326 the loader. We need to make sure that it is out of the way of the program
327 that it will "exec", and that there is sufficient room for the brk.
328
329 (2 * TASK_SIZE / 3) turns into something undefined when run through a
330 32 bit preprocessor and in some cases results in the kernel trying to map
331 ld.so to the kernel virtual base. Use a sane value instead. /Jes
332 */
333
334#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000)
335
336/* This yields a mask that user programs can use to figure out what
337 instruction set this CPU supports. This could be done in user space,
338 but it's not easy, and we've already done it here. */
339
340#define ELF_HWCAP 0
341
342#endif
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