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