mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git
synced 2026-11-01 23:04:54 +01:00
Ian Rogers
8838abf626
In Makefile.config for unwinding the name dwarf implies either libunwind or libdw. Make it clearer that HAVE_DWARF_SUPPORT is really just defined when libdw is present by renaming to HAVE_LIBDW_SUPPORT. Signed-off-by: Ian Rogers <[email protected]> Acked-by: Namhyung Kim <[email protected]> Tested-by: Leo Yan <[email protected]> Cc: Anup Patel <[email protected]> Cc: Yang Jihong <[email protected]> Cc: Palmer Dabbelt <[email protected]> Cc: David S. Miller <[email protected]> Cc: Albert Ou <[email protected]> Cc: Shenlin Liang <[email protected]> Cc: Nick Terrell <[email protected]> Cc: Guilherme Amadio <[email protected]> Cc: Steinar H. Gunderson <[email protected]> Cc: Changbin Du <[email protected]> Cc: Alexander Lobakin <[email protected]> Cc: Przemek Kitszel <[email protected]> Cc: Huacai Chen <[email protected]> Cc: Guo Ren <[email protected]> Cc: Masahiro Yamada <[email protected]> Cc: Masami Hiramatsu (Google) <[email protected]> Cc: Will Deacon <[email protected]> Cc: James Clark <[email protected]> Cc: Mike Leach <[email protected]> Cc: Chen Pei <[email protected]> Cc: Leo Yan <[email protected]> Cc: Oliver Upton <[email protected]> Cc: Aditya Gupta <[email protected]> Cc: Kajol Jain <[email protected]> Cc: Athira Rajeev <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Bibo Mao <[email protected]> Cc: John Garry <[email protected]> Cc: Atish Patra <[email protected]> Cc: Dima Kogan <[email protected]> Cc: Paul Walmsley <[email protected]> Cc: Dr. David Alan Gilbert <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Namhyung Kim <[email protected]>
90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __GENELF_H__
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#define __GENELF_H__
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#include <linux/math.h>
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/* genelf.c */
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int jit_write_elf(int fd, uint64_t code_addr, const char *sym,
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const void *code, int csize, void *debug, int nr_debug_entries,
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void *unwinding, uint64_t unwinding_header_size, uint64_t unwinding_size);
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#ifdef HAVE_LIBDW_SUPPORT
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/* genelf_debug.c */
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int jit_add_debug_info(Elf *e, uint64_t code_addr, void *debug, int nr_debug_entries);
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#endif
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#if defined(__arm__)
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#define GEN_ELF_ARCH EM_ARM
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#define GEN_ELF_CLASS ELFCLASS32
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#elif defined(__aarch64__)
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#define GEN_ELF_ARCH EM_AARCH64
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__x86_64__)
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#define GEN_ELF_ARCH EM_X86_64
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__i386__)
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#define GEN_ELF_ARCH EM_386
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#define GEN_ELF_CLASS ELFCLASS32
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#elif defined(__powerpc64__)
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#define GEN_ELF_ARCH EM_PPC64
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__powerpc__)
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#define GEN_ELF_ARCH EM_PPC
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#define GEN_ELF_CLASS ELFCLASS32
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#elif defined(__sparc__) && defined(__arch64__)
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#define GEN_ELF_ARCH EM_SPARCV9
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__sparc__)
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#define GEN_ELF_ARCH EM_SPARC
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#define GEN_ELF_CLASS ELFCLASS32
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#elif defined(__s390x__)
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#define GEN_ELF_ARCH EM_S390
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__riscv) && __riscv_xlen == 64
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#define GEN_ELF_ARCH EM_RISCV
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#define GEN_ELF_CLASS ELFCLASS64
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#elif defined(__riscv) && __riscv_xlen == 32
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#define GEN_ELF_ARCH EM_RISCV
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#define GEN_ELF_CLASS ELFCLASS32
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#elif defined(__loongarch__)
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#define GEN_ELF_ARCH EM_LOONGARCH
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#define GEN_ELF_CLASS ELFCLASS64
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#else
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#error "unsupported architecture"
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#endif
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define GEN_ELF_ENDIAN ELFDATA2MSB
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#else
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#define GEN_ELF_ENDIAN ELFDATA2LSB
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#endif
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#if GEN_ELF_CLASS == ELFCLASS64
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#define elf_newehdr elf64_newehdr
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#define elf_newphdr elf64_newphdr
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#define elf_getshdr elf64_getshdr
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#define Elf_Ehdr Elf64_Ehdr
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#define Elf_Phdr Elf64_Phdr
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#define Elf_Shdr Elf64_Shdr
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#define Elf_Sym Elf64_Sym
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#define ELF_ST_TYPE(a) ELF64_ST_TYPE(a)
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#define ELF_ST_BIND(a) ELF64_ST_BIND(a)
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#define ELF_ST_VIS(a) ELF64_ST_VISIBILITY(a)
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#else
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#define elf_newehdr elf32_newehdr
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#define elf_newphdr elf32_newphdr
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#define elf_getshdr elf32_getshdr
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#define Elf_Ehdr Elf32_Ehdr
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#define Elf_Phdr Elf32_Phdr
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#define Elf_Shdr Elf32_Shdr
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#define Elf_Sym Elf32_Sym
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#define ELF_ST_TYPE(a) ELF32_ST_TYPE(a)
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#define ELF_ST_BIND(a) ELF32_ST_BIND(a)
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#define ELF_ST_VIS(a) ELF32_ST_VISIBILITY(a)
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#endif
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/* The .text section is directly after the ELF header */
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#define GEN_ELF_TEXT_OFFSET round_up(sizeof(Elf_Ehdr) + sizeof(Elf_Phdr), 16)
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#endif
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