#ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H #define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 /* Matches struct user_regs_struct */ #define ELF_NGREG 35 /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch(x) \ ((x)->e_machine == EM_CRIS \ && ((((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_ANY_V0_V10 \ || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32)))) /* * ELF register definitions.. */ #include <asm/ptrace.h> /* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts (a register; assume first param register for CRIS) contains 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. A value of 0 tells we have no such handler. */ /* Explicitly set registers to 0 to increase determinism. */ #define ELF_PLAT_INIT(_r, load_addr) do { \ (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \ (_r)->r9 = 0; (_r)->r8 = 0; (_r)->r7 = 0; (_r)->r6 = 0; \ (_r)->r5 = 0; (_r)->r4 = 0; (_r)->r3 = 0; (_r)->r2 = 0; \ (_r)->r1 = 0; (_r)->r0 = 0; (_r)->mof = 0; (_r)->srp = 0; \ } while (0) /* The additional layer below is because the stack pointer is missing in the pt_regs struct, but needed in a core dump. pr_reg is a elf_gregset_t, and should be filled in according to the layout of the user_regs_struct struct; regs is a pt_regs struct. We dump all registers, though several are obviously unnecessary. That way there's less need for intelligence at the receiving end (i.e. gdb). */ #define ELF_CORE_COPY_REGS(pr_reg, regs) \ pr_reg[0] = regs->r0; \ pr_reg[1] = regs->r1; \ pr_reg[2] = regs->r2; \ pr_reg[3] = regs->r3; \ pr_reg[4] = regs->r4; \ pr_reg[5] = regs->r5; \ pr_reg[6] = regs->r6; \ pr_reg[7] = regs->r7; \ pr_reg[8] = regs->r8; \ pr_reg[9] = regs->r9; \ pr_reg[10] = regs->r10; \ pr_reg[11] = regs->r11; \ pr_reg[12] = regs->r12; \ pr_reg[13] = regs->r13; \ pr_reg[14] = rdusp(); /* sp */ \ pr_reg[15] = regs->irp; /* pc */ \ pr_reg[16] = 0; /* p0 */ \ pr_reg[17] = rdvr(); /* vr */ \ pr_reg[18] = 0; /* p2 */ \ pr_reg[19] = 0; /* p3 */ \ pr_reg[20] = 0; /* p4 */ \ pr_reg[21] = (regs->dccr & 0xffff); /* ccr */ \ pr_reg[22] = 0; /* p6 */ \ pr_reg[23] = regs->mof; /* mof */ \ pr_reg[24] = 0; /* p8 */ \ pr_reg[25] = 0; /* ibr */ \ pr_reg[26] = 0; /* irp */ \ pr_reg[27] = regs->srp; /* srp */ \ pr_reg[28] = 0; /* bar */ \ pr_reg[29] = regs->dccr; /* dccr */ \ pr_reg[30] = 0; /* brp */ \ pr_reg[31] = rdusp(); /* usp */ \ pr_reg[32] = 0; /* csrinstr */ \ pr_reg[33] = 0; /* csraddr */ \ pr_reg[34] = 0; /* csrdata */ #endif |