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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_ALPHA_ELF_H
#define __ASM_ALPHA_ELF_H

#include <asm/auxvec.h>
#include <asm/special_insns.h>

/* Special values for the st_other field in the symbol table.  */

#define STO_ALPHA_NOPV		0x80
#define STO_ALPHA_STD_GPLOAD	0x88

/*
 * Alpha ELF relocation types
 */
#define R_ALPHA_NONE            0       /* No reloc */
#define R_ALPHA_REFLONG         1       /* Direct 32 bit */
#define R_ALPHA_REFQUAD         2       /* Direct 64 bit */
#define R_ALPHA_GPREL32         3       /* GP relative 32 bit */
#define R_ALPHA_LITERAL         4       /* GP relative 16 bit w/optimization */
#define R_ALPHA_LITUSE          5       /* Optimization hint for LITERAL */
#define R_ALPHA_GPDISP          6       /* Add displacement to GP */
#define R_ALPHA_BRADDR          7       /* PC+4 relative 23 bit shifted */
#define R_ALPHA_HINT            8       /* PC+4 relative 16 bit shifted */
#define R_ALPHA_SREL16          9       /* PC relative 16 bit */
#define R_ALPHA_SREL32          10      /* PC relative 32 bit */
#define R_ALPHA_SREL64          11      /* PC relative 64 bit */
#define R_ALPHA_GPRELHIGH       17      /* GP relative 32 bit, high 16 bits */
#define R_ALPHA_GPRELLOW        18      /* GP relative 32 bit, low 16 bits */
#define R_ALPHA_GPREL16         19      /* GP relative 16 bit */
#define R_ALPHA_COPY            24      /* Copy symbol at runtime */
#define R_ALPHA_GLOB_DAT        25      /* Create GOT entry */
#define R_ALPHA_JMP_SLOT        26      /* Create PLT entry */
#define R_ALPHA_RELATIVE        27      /* Adjust by program base */
#define R_ALPHA_BRSGP		28
#define R_ALPHA_TLSGD           29
#define R_ALPHA_TLS_LDM         30
#define R_ALPHA_DTPMOD64        31
#define R_ALPHA_GOTDTPREL       32
#define R_ALPHA_DTPREL64        33
#define R_ALPHA_DTPRELHI        34
#define R_ALPHA_DTPRELLO        35
#define R_ALPHA_DTPREL16        36
#define R_ALPHA_GOTTPREL        37
#define R_ALPHA_TPREL64         38
#define R_ALPHA_TPRELHI         39
#define R_ALPHA_TPRELLO         40
#define R_ALPHA_TPREL16         41

#define SHF_ALPHA_GPREL		0x10000000

/* Legal values for e_flags field of Elf64_Ehdr.  */

#define EF_ALPHA_32BIT		1	/* All addresses are below 2GB */

/*
 * ELF register definitions..
 */

/*
 * The OSF/1 version of <sys/procfs.h> makes gregset_t 46 entries long.
 * I have no idea why that is so.  For now, we just leave it at 33
 * (32 general regs + processor status word). 
 */
#define ELF_NGREG	33
#define ELF_NFPREG	32

typedef unsigned long elf_greg_t;
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x) ((x)->e_machine == EM_ALPHA)

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS64
#define ELF_DATA	ELFDATA2LSB
#define ELF_ARCH	EM_ALPHA

#define ELF_EXEC_PAGESIZE	8192

/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
   use of this is to invoke "./ld.so someprog" to test out a new version of
   the loader.  We need to make sure that it is out of the way of the program
   that it will "exec", and that there is sufficient room for the brk.  */

#define ELF_ET_DYN_BASE		(TASK_UNMAPPED_BASE + 0x1000000)

/* $0 is set by ld.so to a pointer to a function which might be 
   registered using atexit.  This provides a mean for the dynamic
   linker to call DT_FINI functions for shared libraries that have
   been loaded before the code runs.

   So that we can use the same startup file with static executables,
   we start programs with a value of 0 to indicate that there is no
   such function.  */

#define ELF_PLAT_INIT(_r, load_addr)	_r->r0 = 0

/* The registers are laid out in pt_regs for PAL and syscall
   convenience.  Re-order them for the linear elf_gregset_t.  */

struct pt_regs;
struct thread_info;
struct task_struct;
extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt,
			    struct thread_info *ti);
#define ELF_CORE_COPY_REGS(DEST, REGS) \
	dump_elf_thread(DEST, REGS, current_thread_info());

/* Similar, but for a thread other than current.  */

extern int dump_elf_task(elf_greg_t *dest, struct task_struct *task);
#define ELF_CORE_COPY_TASK_REGS(TASK, DEST) \
	dump_elf_task(*(DEST), TASK)

/* Similar, but for the FP registers.  */

extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task);
#define ELF_CORE_COPY_FPREGS(TASK, DEST) \
	dump_elf_task_fp(*(DEST), TASK)

/* This yields a mask that user programs can use to figure out what
   instruction set this CPU supports.  This is trivial on Alpha, 
   but not so on other machines. */

#define ELF_HWCAP  (~amask(-1))

/* This yields a string that ld.so will use to load implementation
   specific libraries for optimization.  This is more specific in
   intent than poking at uname or /proc/cpuinfo.  */

#define ELF_PLATFORM				\
({						\
	enum implver_enum i_ = implver();	\
	( i_ == IMPLVER_EV4 ? "ev4"		\
	: i_ == IMPLVER_EV5			\
	  ? (amask(AMASK_BWX) ? "ev5" : "ev56")	\
	: amask (AMASK_CIX) ? "ev6" : "ev67");	\
})

#define SET_PERSONALITY(EX)					\
	set_personality(((EX).e_flags & EF_ALPHA_32BIT)		\
	   ? PER_LINUX_32BIT : PER_LINUX)

extern int alpha_l1i_cacheshape;
extern int alpha_l1d_cacheshape;
extern int alpha_l2_cacheshape;
extern int alpha_l3_cacheshape;

/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
#define ARCH_DLINFO						\
  do {								\
    NEW_AUX_ENT(AT_L1I_CACHESHAPE, alpha_l1i_cacheshape);	\
    NEW_AUX_ENT(AT_L1D_CACHESHAPE, alpha_l1d_cacheshape);	\
    NEW_AUX_ENT(AT_L2_CACHESHAPE, alpha_l2_cacheshape);		\
    NEW_AUX_ENT(AT_L3_CACHESHAPE, alpha_l3_cacheshape);		\
  } while (0)

#endif /* __ASM_ALPHA_ELF_H */

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Name Type Size Permission Actions
Kbuild File 320 B 0644
a.out-core.h File 2.41 KB 0644
a.out.h File 574 B 0644
agp.h File 457 B 0644
agp_backend.h File 948 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 405 B 0644
atomic.h File 9.15 KB 0644
barrier.h File 2.17 KB 0644
bitops.h File 8.83 KB 0644
bug.h File 571 B 0644
bugs.h File 294 B 0644
cache.h File 507 B 0644
cacheflush.h File 2.68 KB 0644
checksum.h File 1.93 KB 0644
cmpxchg.h File 1.67 KB 0644
compiler.h File 498 B 0644
console.h File 1.06 KB 0644
core_apecs.h File 16.91 KB 0644
core_cia.h File 15.43 KB 0644
core_irongate.h File 6.63 KB 0644
core_lca.h File 11.36 KB 0644
core_marvel.h File 9.15 KB 0644
core_mcpcia.h File 11.45 KB 0644
core_polaris.h File 2.92 KB 0644
core_t2.h File 19.13 KB 0644
core_titan.h File 11.2 KB 0644
core_tsunami.h File 8.29 KB 0644
core_wildfire.h File 8.45 KB 0644
delay.h File 264 B 0644
device.h File 129 B 0644
div64.h File 31 B 0644
dma-mapping.h File 276 B 0644
dma.h File 12.37 KB 0644
elf.h File 5.71 KB 0644
emergency-restart.h File 149 B 0644
err_common.h File 3.24 KB 0644
err_ev6.h File 116 B 0644
err_ev7.h File 4.37 KB 0644
extable.h File 1.42 KB 0644
floppy.h File 3.07 KB 0644
fpu.h File 1.78 KB 0644
ftrace.h File 12 B 0644
futex.h File 1.97 KB 0644
gct.h File 1.02 KB 0644
hardirq.h File 223 B 0644
hw_irq.h File 302 B 0644
hwrpb.h File 6.9 KB 0644
io.h File 15.03 KB 0644
io_trivial.h File 3.07 KB 0644
irq.h File 2.31 KB 0644
irq_regs.h File 34 B 0644
irqflags.h File 1.17 KB 0644
jensen.h File 8.39 KB 0644
kdebug.h File 32 B 0644
kmap_types.h File 265 B 0644
linkage.h File 256 B 0644
local.h File 2.59 KB 0644
local64.h File 33 B 0644
machvec.h File 3.68 KB 0644
mc146818rtc.h File 680 B 0644
mce.h File 4.04 KB 0644
mmu.h File 203 B 0644
mmu_context.h File 7.09 KB 0644
mmzone.h File 2.98 KB 0644
module.h File 329 B 0644
page.h File 2.46 KB 0644
pal.h File 5.01 KB 0644
param.h File 284 B 0644
parport.h File 536 B 0644
pci.h File 2.87 KB 0644
percpu.h File 527 B 0644
perf_event.h File 105 B 0644
pgalloc.h File 1.82 KB 0644
pgtable.h File 13.17 KB 0644
processor.h File 2.07 KB 0644
ptrace.h File 754 B 0644
rwsem.h File 4.62 KB 0644
segment.h File 132 B 0644
serial.h File 1.01 KB 0644
sfp-machine.h File 2.86 KB 0644
shmparam.h File 191 B 0644
signal.h File 627 B 0644
smp.h File 1.34 KB 0644
socket.h File 310 B 0644
special_insns.h File 925 B 0644
spinlock.h File 2.85 KB 0644
spinlock_types.h File 413 B 0644
string.h File 2.42 KB 0644
switch_to.h File 406 B 0644
syscall.h File 235 B 0644
termios.h File 2.98 KB 0644
thread_info.h File 3.63 KB 0644
timex.h File 827 B 0644
tlb.h File 473 B 0644
tlbflush.h File 3.37 KB 0644
topology.h File 957 B 0644
types.h File 143 B 0644
uaccess.h File 9.56 KB 0644
ucontext.h File 348 B 0644
unaligned.h File 340 B 0644
unistd.h File 494 B 0644
user.h File 2.14 KB 0644
vga.h File 2 KB 0644
word-at-a-time.h File 1.34 KB 0644
wrperfmon.h File 2.56 KB 0644
xchg.h File 5.74 KB 0644
xor.h File 21.71 KB 0644