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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * Copyright (C) 2011 Tobias Klauser <[email protected]>
- */
- #ifndef _ASM_NIOS2_ELF_H
- #define _ASM_NIOS2_ELF_H
- #include <uapi/asm/elf.h>
- /*
- * This is used to ensure we don't load something for the wrong architecture.
- */
- #define elf_check_arch(x) ((x)->e_machine == EM_ALTERA_NIOS2)
- #define ELF_PLAT_INIT(_r, load_addr)
- #define CORE_DUMP_USE_REGSET
- #define ELF_EXEC_PAGESIZE 4096
- /* This is the location that an ET_DYN program is loaded if exec'ed. Typical
- use of this is to invoke "./ld.so someprog" to test out a new version of
- the loader. We need to make sure that it is out of the way of the program
- that it will "exec", and that there is sufficient room for the brk. */
- #define ELF_ET_DYN_BASE 0xD0000000UL
- /* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
- now struct_user_regs, they are different) */
- #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
- struct linux_binprm;
- extern int arch_setup_additional_pages(struct linux_binprm *bprm,
- int uses_interp);
- #define ELF_CORE_COPY_REGS(pr_reg, regs) \
- { do { \
- /* Bleech. */ \
- pr_reg[0] = regs->r8; \
- pr_reg[1] = regs->r9; \
- pr_reg[2] = regs->r10; \
- pr_reg[3] = regs->r11; \
- pr_reg[4] = regs->r12; \
- pr_reg[5] = regs->r13; \
- pr_reg[6] = regs->r14; \
- pr_reg[7] = regs->r15; \
- pr_reg[8] = regs->r1; \
- pr_reg[9] = regs->r2; \
- pr_reg[10] = regs->r3; \
- pr_reg[11] = regs->r4; \
- pr_reg[12] = regs->r5; \
- pr_reg[13] = regs->r6; \
- pr_reg[14] = regs->r7; \
- pr_reg[15] = regs->orig_r2; \
- pr_reg[16] = regs->ra; \
- pr_reg[17] = regs->fp; \
- pr_reg[18] = regs->sp; \
- pr_reg[19] = regs->gp; \
- pr_reg[20] = regs->estatus; \
- pr_reg[21] = regs->ea; \
- pr_reg[22] = regs->orig_r7; \
- { \
- struct switch_stack *sw = ((struct switch_stack *)regs) - 1; \
- pr_reg[23] = sw->r16; \
- pr_reg[24] = sw->r17; \
- pr_reg[25] = sw->r18; \
- pr_reg[26] = sw->r19; \
- pr_reg[27] = sw->r20; \
- pr_reg[28] = sw->r21; \
- pr_reg[29] = sw->r22; \
- pr_reg[30] = sw->r23; \
- pr_reg[31] = sw->fp; \
- pr_reg[32] = sw->gp; \
- pr_reg[33] = sw->ra; \
- } \
- } while (0); }
- /* This yields a mask that user programs can use to figure out what
- instruction set this cpu supports. */
- #define ELF_HWCAP (0)
- /* This yields a string that ld.so will use to load implementation
- specific libraries for optimization. This is more specific in
- intent than poking at uname or /proc/cpuinfo. */
- #define ELF_PLATFORM (NULL)
- #endif /* _ASM_NIOS2_ELF_H */
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