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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_CRIS_ELF_H
#define _ASM_CRIS_ELF_H
#define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32
/* Matches struct user_regs_struct */
#define ELF_NGREG 32
/*
* 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_V32 \
|| (((x)->e_flags & EF_CRIS_VARIANT_MASK) == EF_CRIS_VARIANT_COMMON_V10_V32))))
/* CRISv32 ELF register definitions. */
#include <asm/ptrace.h>
/* Explicitly zero out registers 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; \
(_r)->acr = 0; \
} while (0)
/*
* An executable for which elf_read_implies_exec() returns TRUE will
* have the READ_IMPLIES_EXEC personality flag set automatically.
*/
#define elf_read_implies_exec_binary(ex, have_pt_gnu_stack) (!(have_pt_gnu_stack))
/*
* This is basically a pt_regs with the additional definition
* of the stack pointer since it's needed in a core dump.
* pr_regs is a elf_gregset_t and should be filled according
* to the layout of user_regs_struct.
*/
#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->acr; /* ACR */ \
pr_reg[16] = 0; /* BZ */ \
pr_reg[17] = rdvr(); /* VR */ \
pr_reg[18] = 0; /* PID */ \
pr_reg[19] = regs->srs; /* SRS */ \
pr_reg[20] = 0; /* WZ */ \
pr_reg[21] = regs->exs; /* EXS */ \
pr_reg[22] = regs->eda; /* EDA */ \
pr_reg[23] = regs->mof; /* MOF */ \
pr_reg[24] = 0; /* DZ */ \
pr_reg[25] = 0; /* EBP */ \
pr_reg[26] = regs->erp; /* ERP */ \
pr_reg[27] = regs->srp; /* SRP */ \
pr_reg[28] = 0; /* NRP */ \
pr_reg[29] = regs->ccs; /* CCS */ \
pr_reg[30] = rdusp(); /* USP */ \
pr_reg[31] = regs->spc; /* SPC */ \
#endif /* _ASM_CRIS_ELF_H */
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