| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Huacai Chen | 587 | 100.00% | 1 | 100.00% |
| Total | 587 | 1 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2020-2022 Loongson Technology Corporation Limited */ #ifndef _ASM_ELF_H #define _ASM_ELF_H #include <linux/auxvec.h> #include <linux/fs.h> #include <uapi/linux/elf.h> #include <asm/current.h> #include <asm/vdso.h> /* The ABI of a file. */ #define EF_LOONGARCH_ABI_LP64_SOFT_FLOAT 0x1 #define EF_LOONGARCH_ABI_LP64_SINGLE_FLOAT 0x2 #define EF_LOONGARCH_ABI_LP64_DOUBLE_FLOAT 0x3 #define EF_LOONGARCH_ABI_ILP32_SOFT_FLOAT 0x5 #define EF_LOONGARCH_ABI_ILP32_SINGLE_FLOAT 0x6 #define EF_LOONGARCH_ABI_ILP32_DOUBLE_FLOAT 0x7 /* LoongArch relocation types used by the dynamic linker */ #define R_LARCH_NONE 0 #define R_LARCH_32 1 #define R_LARCH_64 2 #define R_LARCH_RELATIVE 3 #define R_LARCH_COPY 4 #define R_LARCH_JUMP_SLOT 5 #define R_LARCH_TLS_DTPMOD32 6 #define R_LARCH_TLS_DTPMOD64 7 #define R_LARCH_TLS_DTPREL32 8 #define R_LARCH_TLS_DTPREL64 9 #define R_LARCH_TLS_TPREL32 10 #define R_LARCH_TLS_TPREL64 11 #define R_LARCH_IRELATIVE 12 #define R_LARCH_MARK_LA 20 #define R_LARCH_MARK_PCREL 21 #define R_LARCH_SOP_PUSH_PCREL 22 #define R_LARCH_SOP_PUSH_ABSOLUTE 23 #define R_LARCH_SOP_PUSH_DUP 24 #define R_LARCH_SOP_PUSH_GPREL 25 #define R_LARCH_SOP_PUSH_TLS_TPREL 26 #define R_LARCH_SOP_PUSH_TLS_GOT 27 #define R_LARCH_SOP_PUSH_TLS_GD 28 #define R_LARCH_SOP_PUSH_PLT_PCREL 29 #define R_LARCH_SOP_ASSERT 30 #define R_LARCH_SOP_NOT 31 #define R_LARCH_SOP_SUB 32 #define R_LARCH_SOP_SL 33 #define R_LARCH_SOP_SR 34 #define R_LARCH_SOP_ADD 35 #define R_LARCH_SOP_AND 36 #define R_LARCH_SOP_IF_ELSE 37 #define R_LARCH_SOP_POP_32_S_10_5 38 #define R_LARCH_SOP_POP_32_U_10_12 39 #define R_LARCH_SOP_POP_32_S_10_12 40 #define R_LARCH_SOP_POP_32_S_10_16 41 #define R_LARCH_SOP_POP_32_S_10_16_S2 42 #define R_LARCH_SOP_POP_32_S_5_20 43 #define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44 #define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45 #define R_LARCH_SOP_POP_32_U 46 #define R_LARCH_ADD8 47 #define R_LARCH_ADD16 48 #define R_LARCH_ADD24 49 #define R_LARCH_ADD32 50 #define R_LARCH_ADD64 51 #define R_LARCH_SUB8 52 #define R_LARCH_SUB16 53 #define R_LARCH_SUB24 54 #define R_LARCH_SUB32 55 #define R_LARCH_SUB64 56 #define R_LARCH_GNU_VTINHERIT 57 #define R_LARCH_GNU_VTENTRY 58 #ifndef ELF_ARCH /* ELF register definitions */ /* * General purpose have the following registers: * Register Number * GPRs 32 * ORIG_A0 1 * ERA 1 * BADVADDR 1 * CRMD 1 * PRMD 1 * EUEN 1 * ECFG 1 * ESTAT 1 * Reserved 5 */ #define ELF_NGREG 45 /* * Floating point have the following registers: * Register Number * FPR 32 * FCC 1 * FCSR 1 */ #define ELF_NFPREG 34 typedef unsigned long elf_greg_t; typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef double elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; void loongarch_dump_regs64(u64 *uregs, const struct pt_regs *regs); #ifdef CONFIG_32BIT /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch elf32_check_arch /* * These are used to set parameters in the core dumps. */ #define ELF_CLASS ELFCLASS32 #define ELF_CORE_COPY_REGS(dest, regs) \ loongarch_dump_regs32((u32 *)&(dest), (regs)); #endif /* CONFIG_32BIT */ #ifdef CONFIG_64BIT /* * This is used to ensure we don't load something for the wrong architecture. */ #define elf_check_arch elf64_check_arch /* * These are used to set parameters in the core dumps. */ #define ELF_CLASS ELFCLASS64 #define ELF_CORE_COPY_REGS(dest, regs) \ loongarch_dump_regs64((u64 *)&(dest), (regs)); #endif /* CONFIG_64BIT */ /* * These are used to set parameters in the core dumps. */ #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_LOONGARCH #endif /* !defined(ELF_ARCH) */ #define loongarch_elf_check_machine(x) ((x)->e_machine == EM_LOONGARCH) #define vmcore_elf32_check_arch loongarch_elf_check_machine #define vmcore_elf64_check_arch loongarch_elf_check_machine /* * Return non-zero if HDR identifies an 32bit ELF binary. */ #define elf32_check_arch(hdr) \ ({ \ int __res = 1; \ struct elfhdr *__h = (hdr); \ \ if (!loongarch_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS32) \ __res = 0; \ \ __res; \ }) /* * Return non-zero if HDR identifies an 64bit ELF binary. */ #define elf64_check_arch(hdr) \ ({ \ int __res = 1; \ struct elfhdr *__h = (hdr); \ \ if (!loongarch_elf_check_machine(__h)) \ __res = 0; \ if (__h->e_ident[EI_CLASS] != ELFCLASS64) \ __res = 0; \ \ __res; \ }) #ifdef CONFIG_32BIT #define SET_PERSONALITY2(ex, state) \ do { \ current->thread.vdso = &vdso_info; \ \ loongarch_set_personality_fcsr(state); \ \ if (personality(current->personality) != PER_LINUX) \ set_personality(PER_LINUX); \ } while (0) #endif /* CONFIG_32BIT */ #ifdef CONFIG_64BIT #define SET_PERSONALITY2(ex, state) \ do { \ unsigned int p; \ \ clear_thread_flag(TIF_32BIT_REGS); \ clear_thread_flag(TIF_32BIT_ADDR); \ \ current->thread.vdso = &vdso_info; \ loongarch_set_personality_fcsr(state); \ \ p = personality(current->personality); \ if (p != PER_LINUX32 && p != PER_LINUX) \ set_personality(PER_LINUX); \ } while (0) #endif /* CONFIG_64BIT */ #define CORE_DUMP_USE_REGSET #define ELF_EXEC_PAGESIZE PAGE_SIZE /* * This yields a mask that user programs can use to figure out what * instruction set this cpu supports. This could be done in userspace, * but it's not easy, and we've already done it here. */ #define ELF_HWCAP (elf_hwcap) extern unsigned int elf_hwcap; #include <asm/hwcap.h> /* * 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 __elf_platform extern const char *__elf_platform; #define ELF_PLAT_INIT(_r, load_addr) do { \ _r->regs[1] = _r->regs[2] = _r->regs[3] = _r->regs[4] = 0; \ _r->regs[5] = _r->regs[6] = _r->regs[7] = _r->regs[8] = 0; \ _r->regs[9] = _r->regs[10] = _r->regs[11] = _r->regs[12] = 0; \ _r->regs[13] = _r->regs[14] = _r->regs[15] = _r->regs[16] = 0; \ _r->regs[17] = _r->regs[18] = _r->regs[19] = _r->regs[20] = 0; \ _r->regs[21] = _r->regs[22] = _r->regs[23] = _r->regs[24] = 0; \ _r->regs[25] = _r->regs[26] = _r->regs[27] = _r->regs[28] = 0; \ _r->regs[29] = _r->regs[30] = _r->regs[31] = 0; \ } while (0) /* * 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 (TASK_SIZE / 3 * 2) /* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */ #define ARCH_DLINFO \ do { \ NEW_AUX_ENT(AT_SYSINFO_EHDR, \ (unsigned long)current->mm->context.vdso); \ } while (0) #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 struct linux_binprm; extern int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp); struct arch_elf_state { int fp_abi; int interp_fp_abi; }; #define LOONGARCH_ABI_FP_ANY (0) #define INIT_ARCH_ELF_STATE { \ .fp_abi = LOONGARCH_ABI_FP_ANY, \ .interp_fp_abi = LOONGARCH_ABI_FP_ANY, \ } extern int arch_elf_pt_proc(void *ehdr, void *phdr, struct file *elf, bool is_interp, struct arch_elf_state *state); extern int arch_check_elf(void *ehdr, bool has_interpreter, void *interp_ehdr, struct arch_elf_state *state); extern void loongarch_set_personality_fcsr(struct arch_elf_state *state); #endif /* _ASM_ELF_H */
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