1#ifndef __ASMCRIS_ARCH_ELF_H 2#define __ASMCRIS_ARCH_ELF_H 3 4#include <arch/system.h> 5 6#define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 7 8/* 9 * This is used to ensure we don't load something for the wrong architecture. 10 */ 11#define elf_check_arch(x) \ 12 ((x)->e_machine == EM_CRIS \ 13 && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \ 14 || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) 15 16/* 17 * ELF register definitions.. 18 */ 19 20#include <asm/ptrace.h> 21 22/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program 23 starts (a register; assume first param register for CRIS) 24 contains a pointer to a function which might be 25 registered using `atexit'. This provides a mean for the 26 dynamic linker to call DT_FINI functions for shared libraries 27 that have been loaded before the code runs. 28 29 A value of 0 tells we have no such handler. */ 30 31/* Explicitly set registers to 0 to increase determinism. */ 32#define ELF_PLAT_INIT(_r, load_addr) do { \ 33 (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \ 34 (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \ 35 (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \ 36 (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \ 37} while (0) 38 39/* The additional layer below is because the stack pointer is missing in 40 the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t, 41 and should be filled in according to the layout of the user_regs_struct 42 struct; regs is a pt_regs struct. We dump all registers, though several are 43 obviously unnecessary. That way there's less need for intelligence at 44 the receiving end (i.e. gdb). */ 45#define ELF_CORE_COPY_REGS(pr_reg, regs) \ 46 pr_reg[0] = regs->r0; \ 47 pr_reg[1] = regs->r1; \ 48 pr_reg[2] = regs->r2; \ 49 pr_reg[3] = regs->r3; \ 50 pr_reg[4] = regs->r4; \ 51 pr_reg[5] = regs->r5; \ 52 pr_reg[6] = regs->r6; \ 53 pr_reg[7] = regs->r7; \ 54 pr_reg[8] = regs->r8; \ 55 pr_reg[9] = regs->r9; \ 56 pr_reg[10] = regs->r10; \ 57 pr_reg[11] = regs->r11; \ 58 pr_reg[12] = regs->r12; \ 59 pr_reg[13] = regs->r13; \ 60 pr_reg[14] = rdusp(); /* sp */ \ 61 pr_reg[15] = regs->irp; /* pc */ \ 62 pr_reg[16] = 0; /* p0 */ \ 63 pr_reg[17] = rdvr(); /* vr */ \ 64 pr_reg[18] = 0; /* p2 */ \ 65 pr_reg[19] = 0; /* p3 */ \ 66 pr_reg[20] = 0; /* p4 */ \ 67 pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \ 68 pr_reg[22] = 0; /* p6 */ \ 69 pr_reg[23] = regs->mof; /* mof */ \ 70 pr_reg[24] = 0; /* p8 */ \ 71 pr_reg[25] = 0; /* ibr */ \ 72 pr_reg[26] = 0; /* irp */ \ 73 pr_reg[27] = regs->srp; /* srp */ \ 74 pr_reg[28] = 0; /* bar */ \ 75 pr_reg[29] = regs->dccr; /* dccr */ \ 76 pr_reg[30] = 0; /* brp */ \ 77 pr_reg[31] = rdusp(); /* usp */ \ 78 pr_reg[32] = 0; /* csrinstr */ \ 79 pr_reg[33] = 0; /* csraddr */ \ 80 pr_reg[34] = 0; /* csrdata */ 81 82 83#endif 84