169 lines
5.7 KiB
C
169 lines
5.7 KiB
C
#ifndef __ASM_ALPHA_ELF_H
|
|
#define __ASM_ALPHA_ELF_H
|
|
|
|
#include <asm/auxvec.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 USE_ELF_CORE_DUMP
|
|
#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 layed 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"); \
|
|
})
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
#define SET_PERSONALITY(EX, IBCS2) \
|
|
set_personality(((EX).e_flags & EF_ALPHA_32BIT) \
|
|
? PER_LINUX_32BIT : (IBCS2) ? PER_SVR4 : 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 /* __KERNEL__ */
|
|
#endif /* __ASM_ALPHA_ELF_H */
|