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Add support for loading eBPF programs from ELF files on macOS. Signed-off-by: Will Hawkins <hawkinsw@obs.cr>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /*- | ||
| * Copyright (c) 2010,2021 Joseph Koshy | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| * SUCH DAMAGE. | ||
| * | ||
| * $Id: elfdefinitions.h 3942 2021-04-05 12:16:03Z jkoshy $ | ||
| */ | ||
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| #ifndef _ELFDEFINITIONS_H_ | ||
| #define _ELFDEFINITIONS_H_ | ||
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| #include <sys/elfdefinitions.h> | ||
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| #endif /* _ELFDEFINITIONS_H_ */ |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,110 @@ | ||
| /*- | ||
| * Copyright (c) 2006,2008 Joseph Koshy | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * 1. Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * 2. Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||
| * SUCH DAMAGE. | ||
| * | ||
| * $Id: gelf.h 3174 2015-03-27 17:13:41Z emaste $ | ||
| */ | ||
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| #ifndef _GELF_H_ | ||
| #define _GELF_H_ | ||
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| #include <libelf.h> | ||
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| typedef Elf64_Addr GElf_Addr; /* Addresses */ | ||
| typedef Elf64_Half GElf_Half; /* Half words (16 bit) */ | ||
| typedef Elf64_Off GElf_Off; /* Offsets */ | ||
| typedef Elf64_Sword GElf_Sword; /* Signed words (32 bit) */ | ||
| typedef Elf64_Sxword GElf_Sxword; /* Signed long words (64 bit) */ | ||
| typedef Elf64_Word GElf_Word; /* Unsigned words (32 bit) */ | ||
| typedef Elf64_Xword GElf_Xword; /* Unsigned long words (64 bit) */ | ||
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| typedef Elf64_Dyn GElf_Dyn; /* ".dynamic" section entries */ | ||
| typedef Elf64_Ehdr GElf_Ehdr; /* ELF header */ | ||
| typedef Elf64_Phdr GElf_Phdr; /* Program header */ | ||
| typedef Elf64_Shdr GElf_Shdr; /* Section header */ | ||
| typedef Elf64_Sym GElf_Sym; /* Symbol table entries */ | ||
| typedef Elf64_Rel GElf_Rel; /* Relocation entries */ | ||
| typedef Elf64_Rela GElf_Rela; /* Relocation entries with addend */ | ||
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| typedef Elf64_Cap GElf_Cap; /* SW/HW capabilities */ | ||
| typedef Elf64_Move GElf_Move; /* Move entries */ | ||
| typedef Elf64_Syminfo GElf_Syminfo; /* Symbol information */ | ||
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| #define GELF_M_INFO ELF64_M_INFO | ||
| #define GELF_M_SIZE ELF64_M_SIZE | ||
| #define GELF_M_SYM ELF64_M_SYM | ||
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| #define GELF_R_INFO ELF64_R_INFO | ||
| #define GELF_R_SYM ELF64_R_SYM | ||
| #define GELF_R_TYPE ELF64_R_TYPE | ||
| #define GELF_R_TYPE_DATA ELF64_R_TYPE_DATA | ||
| #define GELF_R_TYPE_ID ELF64_R_TYPE_ID | ||
| #define GELF_R_TYPE_INFO ELF64_R_TYPE_INFO | ||
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| #define GELF_ST_BIND ELF64_ST_BIND | ||
| #define GELF_ST_INFO ELF64_ST_INFO | ||
| #define GELF_ST_TYPE ELF64_ST_TYPE | ||
| #define GELF_ST_VISIBILITY ELF64_ST_VISIBILITY | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
| long gelf_checksum(Elf *_elf); | ||
| size_t gelf_fsize(Elf *_elf, Elf_Type _type, size_t _count, | ||
| unsigned int _version); | ||
| int gelf_getclass(Elf *_elf); | ||
| GElf_Dyn *gelf_getdyn(Elf_Data *_data, int _index, GElf_Dyn *_dst); | ||
| GElf_Ehdr *gelf_getehdr(Elf *_elf, GElf_Ehdr *_dst); | ||
| GElf_Phdr *gelf_getphdr(Elf *_elf, int _index, GElf_Phdr *_dst); | ||
| GElf_Rel *gelf_getrel(Elf_Data *_src, int _index, GElf_Rel *_dst); | ||
| GElf_Rela *gelf_getrela(Elf_Data *_src, int _index, GElf_Rela *_dst); | ||
| GElf_Shdr *gelf_getshdr(Elf_Scn *_scn, GElf_Shdr *_dst); | ||
| GElf_Sym *gelf_getsym(Elf_Data *_src, int _index, GElf_Sym *_dst); | ||
| GElf_Sym *gelf_getsymshndx(Elf_Data *_src, Elf_Data *_shindexsrc, | ||
| int _index, GElf_Sym *_dst, Elf32_Word *_shindexdst); | ||
| void * gelf_newehdr(Elf *_elf, int _class); | ||
| void * gelf_newphdr(Elf *_elf, size_t _phnum); | ||
| int gelf_update_dyn(Elf_Data *_dst, int _index, GElf_Dyn *_src); | ||
| int gelf_update_ehdr(Elf *_elf, GElf_Ehdr *_src); | ||
| int gelf_update_phdr(Elf *_elf, int _index, GElf_Phdr *_src); | ||
| int gelf_update_rel(Elf_Data *_dst, int _index, GElf_Rel *_src); | ||
| int gelf_update_rela(Elf_Data *_dst, int _index, GElf_Rela *_src); | ||
| int gelf_update_shdr(Elf_Scn *_dst, GElf_Shdr *_src); | ||
| int gelf_update_sym(Elf_Data *_dst, int _index, GElf_Sym *_src); | ||
| int gelf_update_symshndx(Elf_Data *_symdst, Elf_Data *_shindexdst, | ||
| int _index, GElf_Sym *_symsrc, Elf32_Word _shindexsrc); | ||
| Elf_Data *gelf_xlatetof(Elf *_elf, Elf_Data *_dst, const Elf_Data *_src, unsigned int _encode); | ||
| Elf_Data *gelf_xlatetom(Elf *_elf, Elf_Data *_dst, const Elf_Data *_src, unsigned int _encode); | ||
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| GElf_Cap *gelf_getcap(Elf_Data *_data, int _index, GElf_Cap *_cap); | ||
| GElf_Move *gelf_getmove(Elf_Data *_src, int _index, GElf_Move *_dst); | ||
| GElf_Syminfo *gelf_getsyminfo(Elf_Data *_src, int _index, GElf_Syminfo *_dst); | ||
| int gelf_update_cap(Elf_Data *_dst, int _index, GElf_Cap *_src); | ||
| int gelf_update_move(Elf_Data *_dst, int _index, GElf_Move *_src); | ||
| int gelf_update_syminfo(Elf_Data *_dst, int _index, GElf_Syminfo *_src); | ||
| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
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| #endif /* _GELF_H_ */ |
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