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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 <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Leo Yan <leo.yan@arm.com> Cc: Anup Patel <anup@brainfault.org> Cc: Yang Jihong <yangjihong@bytedance.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: David S. Miller <davem@davemloft.net> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Shenlin Liang <liangshenlin@eswincomputing.com> Cc: Nick Terrell <terrelln@fb.com> Cc: Guilherme Amadio <amadio@gentoo.org> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Alexander Lobakin <aleksander.lobakin@intel.com> Cc: Przemek Kitszel <przemyslaw.kitszel@intel.com> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: Guo Ren <guoren@kernel.org> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: James Clark <james.clark@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Chen Pei <cp0613@linux.alibaba.com> Cc: Leo Yan <leo.yan@linux.dev> Cc: Oliver Upton <oliver.upton@linux.dev> Cc: Aditya Gupta <adityag@linux.ibm.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-riscv@lists.infradead.org Cc: Bibo Mao <maobibo@loongson.cn> Cc: John Garry <john.g.garry@oracle.com> Cc: Atish Patra <atishp@rivosinc.com> Cc: Dima Kogan <dima@secretsauce.net> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Dr. David Alan Gilbert <linux@treblig.org> Cc: linux-csky@vger.kernel.org Link: https://lore.kernel.org/r/20241017001354.56973-11-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
89 lines
2.6 KiB
C
89 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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