arch/cris/include/arch-v32/arch/elf.h

   1 #ifndef _ASM_CRIS_ELF_H
   2 #define _ASM_CRIS_ELF_H
   3
   4 #include <arch/system.h>
   5
   6 #define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32
   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_V32     \
  14       || (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
  15
  16 /* CRISv32 ELF register definitions. */
  17
  18 #include <asm/ptrace.h>
  19
  20 /* Explicitly zero out registers to increase determinism. */
  21 #define ELF_PLAT_INIT(_r, load_addr)    do { \
  22         (_r)->r13 = 0; (_r)->r12 = 0; (_r)->r11 = 0; (_r)->r10 = 0; \
  23         (_r)->r9 = 0;  (_r)->r8 = 0;  (_r)->r7 = 0;  (_r)->r6 = 0;  \
  24         (_r)->r5 = 0;  (_r)->r4 = 0;  (_r)->r3 = 0;  (_r)->r2 = 0;  \
  25         (_r)->r1 = 0;  (_r)->r0 = 0;  (_r)->mof = 0; (_r)->srp = 0; \
  26         (_r)->acr = 0; \
  27 } while (0)
  28
  29 /*
  30  * An executable for which elf_read_implies_exec() returns TRUE will
  31  * have the READ_IMPLIES_EXEC personality flag set automatically.
  32  */
  33 #define elf_read_implies_exec_binary(ex, have_pt_gnu_stack)     (!(have_pt_gnu_stack))
  34
  35 /*
  36  * This is basically a pt_regs with the additional definition
  37  * of the stack pointer since it's needed in a core dump.
  38  * pr_regs is a elf_gregset_t and should be filled according
  39  * to the layout of user_regs_struct.
  40  */
  41 #define ELF_CORE_COPY_REGS(pr_reg, regs)                   \
  42         pr_reg[0] = regs->r0;                              \
  43         pr_reg[1] = regs->r1;                              \
  44         pr_reg[2] = regs->r2;                              \
  45         pr_reg[3] = regs->r3;                              \
  46         pr_reg[4] = regs->r4;                              \
  47         pr_reg[5] = regs->r5;                              \
  48         pr_reg[6] = regs->r6;                              \
  49         pr_reg[7] = regs->r7;                              \
  50         pr_reg[8] = regs->r8;                              \
  51         pr_reg[9] = regs->r9;                              \
  52         pr_reg[10] = regs->r10;                            \
  53         pr_reg[11] = regs->r11;                            \
  54         pr_reg[12] = regs->r12;                            \
  55         pr_reg[13] = regs->r13;                            \
  56         pr_reg[14] = rdusp();               /* SP */       \
  57         pr_reg[15] = regs->acr;             /* ACR */      \
  58         pr_reg[16] = 0;                     /* BZ */       \
  59         pr_reg[17] = rdvr();                /* VR */       \
  60         pr_reg[18] = 0;                     /* PID */      \
  61         pr_reg[19] = regs->srs;             /* SRS */      \
  62         pr_reg[20] = 0;                     /* WZ */       \
  63         pr_reg[21] = regs->exs;             /* EXS */      \
  64         pr_reg[22] = regs->eda;             /* EDA */      \
  65         pr_reg[23] = regs->mof;             /* MOF */      \
  66         pr_reg[24] = 0;                     /* DZ */       \
  67         pr_reg[25] = 0;                     /* EBP */      \
  68         pr_reg[26] = regs->erp;             /* ERP */      \
  69         pr_reg[27] = regs->srp;             /* SRP */      \
  70         pr_reg[28] = 0;                     /* NRP */      \
  71         pr_reg[29] = regs->ccs;             /* CCS */      \
  72         pr_reg[30] = rdusp();               /* USP */      \
  73         pr_reg[31] = regs->spc;             /* SPC */      \
  74
  75 #endif /* _ASM_CRIS_ELF_H */