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-rw-r--r--include/asm-blackfin/elf.h127
1 files changed, 127 insertions, 0 deletions
diff --git a/include/asm-blackfin/elf.h b/include/asm-blackfin/elf.h
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+/* Changes made by LG Soft Oct 2004*/
+
+#ifndef __ASMBFIN_ELF_H
+#define __ASMBFIN_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+/* Processor specific flags for the ELF header e_flags field. */
+#define EF_BFIN_PIC 0x00000001 /* -fpic */
+#define EF_BFIN_FDPIC 0x00000002 /* -mfdpic */
+#define EF_BFIN_CODE_IN_L1 0x00000010 /* --code-in-l1 */
+#define EF_BFIN_DATA_IN_L1 0x00000020 /* --data-in-l1 */
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_bfinfp_struct elf_fpregset_t;
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) ((x)->e_machine == EM_BLACKFIN)
+
+#define elf_check_fdpic(x) ((x)->e_flags & EF_BFIN_FDPIC /* && !((x)->e_flags & EF_FRV_NON_PIC_RELOCS) */)
+#define elf_check_const_displacement(x) ((x)->e_flags & EF_BFIN_PIC)
+
+/* EM_BLACKFIN defined in linux/elf.h */
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS ELFCLASS32
+#define ELF_DATA ELFDATA2LSB
+#define ELF_ARCH EM_BLACKFIN
+
+#define ELF_PLAT_INIT(_r) _r->p1 = 0
+
+#define ELF_FDPIC_PLAT_INIT(_regs, _exec_map_addr, _interp_map_addr, _dynamic_addr) \
+do { \
+ _regs->r7 = 0; \
+ _regs->p0 = _exec_map_addr; \
+ _regs->p1 = _interp_map_addr; \
+ _regs->p2 = _dynamic_addr; \
+} while(0)
+
+#define USE_ELF_CORE_DUMP
+#define ELF_FDPIC_CORE_EFLAGS EF_BFIN_FDPIC
+#define ELF_EXEC_PAGESIZE 4096
+
+#define R_unused0 0 /* relocation type 0 is not defined */
+#define R_pcrel5m2 1 /*LSETUP part a */
+#define R_unused1 2 /* relocation type 2 is not defined */
+#define R_pcrel10 3 /* type 3, if cc jump <target> */
+#define R_pcrel12_jump 4 /* type 4, jump <target> */
+#define R_rimm16 5 /* type 0x5, rN = <target> */
+#define R_luimm16 6 /* # 0x6, preg.l=<target> Load imm 16 to lower half */
+#define R_huimm16 7 /* # 0x7, preg.h=<target> Load imm 16 to upper half */
+#define R_pcrel12_jump_s 8 /* # 0x8 jump.s <target> */
+#define R_pcrel24_jump_x 9 /* # 0x9 jump.x <target> */
+#define R_pcrel24 10 /* # 0xa call <target> , not expandable */
+#define R_unusedb 11 /* # 0xb not generated */
+#define R_unusedc 12 /* # 0xc not used */
+#define R_pcrel24_jump_l 13 /*0xd jump.l <target> */
+#define R_pcrel24_call_x 14 /* 0xE, call.x <target> if <target> is above 24 bit limit call through P1 */
+#define R_var_eq_symb 15 /* 0xf, linker should treat it same as 0x12 */
+#define R_byte_data 16 /* 0x10, .byte var = symbol */
+#define R_byte2_data 17 /* 0x11, .byte2 var = symbol */
+#define R_byte4_data 18 /* 0x12, .byte4 var = symbol and .var var=symbol */
+#define R_pcrel11 19 /* 0x13, lsetup part b */
+#define R_unused14 20 /* 0x14, undefined */
+#define R_unused15 21 /* not generated by VDSP 3.5 */
+
+/* arithmetic relocations */
+#define R_push 0xE0
+#define R_const 0xE1
+#define R_add 0xE2
+#define R_sub 0xE3
+#define R_mult 0xE4
+#define R_div 0xE5
+#define R_mod 0xE6
+#define R_lshift 0xE7
+#define R_rshift 0xE8
+#define R_and 0xE9
+#define R_or 0xEA
+#define R_xor 0xEB
+#define R_land 0xEC
+#define R_lor 0xED
+#define R_len 0xEE
+#define R_neg 0xEF
+#define R_comp 0xF0
+#define R_page 0xF1
+#define R_hwpage 0xF2
+#define R_addr 0xF3
+
+/* 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 0xD0000000UL
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs) \
+ memcpy((char *) &pr_reg, (char *)regs, \
+ sizeof(struct pt_regs));
+
+/* This yields a mask that user programs can use to figure out what
+ instruction set this cpu supports. */
+
+#define ELF_HWCAP (0)
+
+/* 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 (NULL)
+
+#ifdef __KERNEL__
+#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
+#endif
+
+#endif