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