switch to netbsd csu
. file- and functionality-compatible with previous situation
(FreeBSD csu) (with a crt1.o -> crt0.o symlink in /usr/lib)
. harmonizes source with netbsd
. harmonizes linker invocation (e.g. clang) with netbsd
. helpful to get some arm code in there for the arm port project
This commit is contained in:
Ben Gras
@@ -1,4 +1,4 @@
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/* $NetBSD: exec_elf.h,v 1.108 2010/12/24 12:41:43 skrll Exp $ */
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/* $NetBSD: exec_elf.h,v 1.117 2011/08/03 00:22:05 enami Exp $ */
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/*-
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* Copyright (c) 1994 The NetBSD Foundation, Inc.
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@@ -169,22 +169,22 @@ typedef struct {
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/* e_ident[EI_OSABI] */
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#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
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#define ELFOSABI_HPUX 1 /* HP-UX operating system */
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#define ELFOSABI_NETBSD 2 /* NetBSD */
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#define ELFOSABI_LINUX 3 /* GNU/Linux */
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#define ELFOSABI_HURD 4 /* GNU/Hurd */
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#define ELFOSABI_86OPEN 5 /* 86Open */
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#define ELFOSABI_SOLARIS 6 /* Solaris */
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#define ELFOSABI_MONTEREY 7 /* Monterey */
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#define ELFOSABI_IRIX 8 /* IRIX */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD */
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#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD */
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#define ELFOSABI_NETBSD 2 /* NetBSD */
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#define ELFOSABI_LINUX 3 /* GNU/Linux */
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#define ELFOSABI_HURD 4 /* GNU/Hurd */
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#define ELFOSABI_86OPEN 5 /* 86Open */
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#define ELFOSABI_SOLARIS 6 /* Solaris */
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#define ELFOSABI_MONTEREY 7 /* Monterey */
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#define ELFOSABI_IRIX 8 /* IRIX */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD */
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#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD */
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#define ELFOSABI_OPENVMS 13 /* OpenVMS */
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#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
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#define ELFOSABI_AROS 15 /* Amiga Research OS */
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/* Unofficial OSABIs follow */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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#define ELFOSABI_NONE ELFOSABI_SYSV
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@@ -344,7 +344,12 @@ typedef struct {
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#define PT_NUM 8
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#define PT_LOOS 0x60000000 /* OS-specific range */
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#define PT_GNU_EH_FRAME 0x6474e550 /* GNU-specific EH frame segment */
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/* GNU-specific */
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#define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */
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#define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */
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#define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */
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#define PT_HIOS 0x6fffffff
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#define PT_LOPROC 0x70000000 /* Processor-specific range */
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#define PT_HIPROC 0x7fffffff
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@@ -414,11 +419,11 @@ typedef struct {
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#define SHT_LOOS 0x60000000 /* Operating system specific range */
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#define SHT_SUNW_move 0x6ffffffa
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#define SHT_SUNW_syminfo 0x6ffffffc
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#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
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#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
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#define SHT_GNU_verdef SHT_SUNW_verdef
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#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
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#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
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#define SHT_GNU_verneed SHT_SUNW_verneed
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#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
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#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
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#define SHT_GNU_versym SHT_SUNW_versym
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#define SHT_HIOS 0x6fffffff
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#define SHT_LOPROC 0x70000000 /* Processor-specific range */
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@@ -459,7 +464,7 @@ typedef struct {
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/* Symbol Table index of the undefined symbol */
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#define ELF_SYM_UNDEFINED 0
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#define STN_UNDEF 0 /* undefined index */
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#define STN_UNDEF 0 /* undefined index */
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/* st_info: Symbol Bindings */
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#define STB_LOCAL 0 /* local symbol */
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@@ -571,7 +576,7 @@ typedef struct {
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} Elf32_Move;
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#define ELF32_M_SYM(info) ((info) >> 8)
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#define ELF32_M_SIZE(info) (info) & 0xff)
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#define ELF32_M_SIZE(info) ((info) & 0xff)
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#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
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typedef struct {
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@@ -583,7 +588,7 @@ typedef struct {
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} Elf64_Move;
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#define ELF64_M_SYM(info) ((info) >> 8)
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#define ELF64_M_SIZE(info) (info) & 0xff)
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#define ELF64_M_SIZE(info) ((info) & 0xff)
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#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
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/*
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@@ -657,12 +662,12 @@ typedef struct {
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#define DT_NUM 29
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#define DT_LOOS 0x60000000 /* Operating system specific range */
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#define DT_VERSYM 0x6ffffff0 /* Symbol versions */
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#define DT_VERSYM 0x6ffffff0 /* Symbol versions */
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#define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
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#define DT_VERDEF 0x6ffffffc /* Versions defined by file */
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#define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
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#define DT_VERNEED 0x6ffffffe /* Versions needed by file */
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#define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
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#define DT_VERDEF 0x6ffffffc /* Versions defined by file */
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#define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
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#define DT_VERNEED 0x6ffffffe /* Versions needed by file */
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#define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
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#define DT_HIOS 0x6fffffff
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#define DT_LOPROC 0x70000000 /* Processor-specific range */
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#define DT_HIPROC 0x7fffffff
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@@ -741,20 +746,86 @@ typedef struct {
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Elf64_Word n_type;
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} Elf64_Nhdr;
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#define ELF_NOTE_TYPE_ABI_TAG 1
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#define ELF_NOTE_GNU_NAMESZ 4
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#define ELF_NOTE_GNU_NAME "GNU\0"
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/*
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* GNU-specific note type: ABI tag
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* name: GNU\0
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* namesz: 4
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* desc:
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* word[0]: OS tag
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* word[1]: major version
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* word[2]: minor version
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* word[3]: teeny version
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* descsz: 16
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*/
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/* GNU-specific note name and description sizes */
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#define ELF_NOTE_ABI_NAMESZ 4
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#define ELF_NOTE_TYPE_ABI_TAG 1
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#define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME
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#define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ
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#define ELF_NOTE_ABI_DESCSZ 16
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/* GNU-specific note name */
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#define ELF_NOTE_ABI_NAME "GNU\0"
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/* GNU-specific OS/version value stuff */
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#define ELF_NOTE_ABI_OS_LINUX 0
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#define ELF_NOTE_ABI_OS_HURD 1
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#define ELF_NOTE_ABI_OS_SOLARIS 2
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#define ELF_NOTE_ABI_OS_KFREEBSD 3
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#define ELF_NOTE_ABI_OS_KNETBSD 4
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/* NetBSD-specific note type: Emulation name. desc is emul name string. */
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/*
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* GNU-specific note type: Hardware capabilities
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* name: GNU\0
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* namesz: 4
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* desc:
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* word[0]: Number of entries
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* word[1]: Bitmask of enabled entries
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* Followed by a byte id, and a NUL terminated string per entry
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* descsz: variable
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*/
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#define ELF_NOTE_TYPE_GNU_HWCAP 2
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/*
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* GNU-specific note type: Build ID generated by ld
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* name: GNU\0
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* desc:
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* word[0..4] SHA1 [default]
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* or
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* word[0..3] md5 or uuid
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* descsz: 16 or 20
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*/
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#define ELF_NOTE_TYPE_GNU_BUILD_ID 3
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/* SuSE-specific note type: version
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* name: SuSE\0\0\0\0
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* namesz: 8
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* desc:
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* word[0] = VVTTMMmm
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*
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* V = version of following data
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* T = product type: [box, sles, nld, whatever]
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* M = product major version
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* m = product minor version
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* descsz: 8
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*/
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#define ELF_NOTE_TYPE_SUSE_TAG 0x45537553 /* SuSE in LE */
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/* SuSE-specific note name and description sizes */
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#define ELF_NOTE_SUSE_NAMESZ 8
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#define ELF_NOTE_SUSE_DESCSZ 8
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/* SuSE-specific note name */
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#define ELF_NOTE_SUSE_NAME "SuSE\0\0\0\0"
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/* NetBSD-specific note type: Emulation name.
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* name: NetBSD\0\0
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* namesz: 8
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* desc:
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* word[0]: MMmmrrpp00
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*
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* M = major version
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* m = minor version
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* r = release ["",A-Z,Z[A-Z] but numeric]
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* p = patchlevel
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* descsz: 4
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*/
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#define ELF_NOTE_TYPE_NETBSD_TAG 1
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/* NetBSD-specific note name and description sizes */
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#define ELF_NOTE_NETBSD_NAMESZ 7
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@@ -762,26 +833,39 @@ typedef struct {
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/* NetBSD-specific note name */
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#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
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/* NetBSD-specific note type: Checksum. There should be 1 NOTE per PT_LOAD
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section. desc is a tuple of <phnum>(16),<chk-type>(16),<chk-value>. */
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/* NetBSD-specific note type: Checksum.
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* There should be 1 NOTE per PT_LOAD section.
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* name: ???
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* namesz: ???
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* desc:
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* a tuple of <phnum>(16),<chk-type>(16),<chk-value>.
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* descsz: ???
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*/
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#define ELF_NOTE_TYPE_CHECKSUM_TAG 2
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#define ELF_NOTE_CHECKSUM_CRC32 1
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#define ELF_NOTE_CHECKSUM_MD5 2
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#define ELF_NOTE_CHECKSUM_SHA1 3
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#define ELF_NOTE_CHECKSUM_SHA256 4
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/* NetBSD-specific note type: PaX. There should be 1 NOTE per executable.
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section. desc is a 32 bit bitmask */
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#define ELF_NOTE_TYPE_PAX_TAG 3
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/*
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* NetBSD-specific note type: PaX.
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* There should be 1 NOTE per executable.
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* name: PaX\0
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* namesz: 4
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* desc:
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* word[0]: capability bitmask
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* descsz: 4
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*/
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#define ELF_NOTE_TYPE_PAX_TAG 3
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#define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
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#define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
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#define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
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#define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Servguard */
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#define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
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#define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
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#define ELF_NOTE_PAX_NAMESZ 4
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#define ELF_NOTE_PAX_NAME "PaX\0"
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#define ELF_NOTE_PAX_DESCSZ 4
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#define ELF_NOTE_PAX_NAMESZ 4
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#define ELF_NOTE_PAX_NAME "PaX\0"
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#define ELF_NOTE_PAX_DESCSZ 4
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/*
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* NetBSD-specific core file information.
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@@ -865,6 +949,11 @@ struct netbsd_elfcore_procinfo {
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#define Elf_Off Elf32_Off
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#define Elf_SOff Elf32_SOff
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#define Elf_Nhdr Elf32_Nhdr
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#define Elf_Verdef Elf32_Verdef
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#define Elf_Verdaux Elf32_Verdaux
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#define Elf_Verneed Elf32_Verneed
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#define Elf_Vernaux Elf32_Vernaux
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#define Elf_Versym Elf32_Versym
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#define ELF_R_SYM ELF32_R_SYM
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#define ELF_R_TYPE ELF32_R_TYPE
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@@ -886,6 +975,11 @@ struct netbsd_elfcore_procinfo {
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#define Elf_Off Elf64_Off
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#define Elf_SOff Elf64_SOff
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#define Elf_Nhdr Elf64_Nhdr
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#define Elf_Verdef Elf64_Verdef
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#define Elf_Verdaux Elf64_Verdaux
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#define Elf_Verneed Elf64_Verneed
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#define Elf_Vernaux Elf64_Vernaux
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#define Elf_Versym Elf64_Versym
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#define ELF_R_SYM ELF64_R_SYM
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#define ELF_R_TYPE ELF64_R_TYPE
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@@ -944,13 +1038,18 @@ typedef struct {
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/*
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* These constants are used for Elf32_Verdef struct's version number.
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*/
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#define VER_DEF_NONE 0
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#define VER_DEF_NONE 0
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#define VER_DEF_CURRENT 1
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/*
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* These constants are used for Elf32_Verdef struct's vd_ndx.
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*/
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#define VER_DEF_IDX(x) VER_NDX(x)
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/*
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* These constants are used for Elf32_Verdef struct's vd_flags.
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*/
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#define VER_FLG_BASE 0x1
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#define VER_FLG_BASE 0x1
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#define VER_FLG_WEAK 0x2
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/*
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@@ -958,6 +1057,7 @@ typedef struct {
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*/
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#define VER_NDX_LOCAL 0
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#define VER_NDX_GLOBAL 1
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#define VER_NDX_GIVEN 2
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/*
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* These constants are used for Elf32_Verneed struct's version number.
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@@ -966,7 +1066,17 @@ typedef struct {
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#define VER_NEED_CURRENT 1
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/*
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* GNU Extension hidding symb
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* These constants are used for Elf32_Vernaux struct's vna_other.
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*/
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#define VER_NEED_HIDDEN VER_NDX_HIDDEN
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#define VER_NEED_IDX(x) VER_NDX(x)
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/* index */
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#define VER_NDX_HIDDEN 0x8000
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#define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
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/*
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* GNU Extension hidding symbol
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*/
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#define VERSYM_HIDDEN 0x8000
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#define VERSYM_VERSION 0x7fff
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@@ -1019,18 +1129,18 @@ typedef Elf32_Versym Elf64_Versym;
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#ifdef _KERNEL
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#define ELF_AUX_ENTRIES 14 /* Max size of aux array passed to loader */
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#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
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#define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
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#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
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#define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
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#define ELF_AUX_ENTRIES 14 /* Max size of aux array passed to loader */
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#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
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#define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
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#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
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#define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
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#if defined(ELFSIZE) && (ELFSIZE == 64)
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#define ELF_NO_ADDR ELF64_NO_ADDR
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#define ELF_LINK_ADDR ELF64_LINK_ADDR
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#define ELF_NO_ADDR ELF64_NO_ADDR
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#define ELF_LINK_ADDR ELF64_LINK_ADDR
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#elif defined(ELFSIZE) && (ELFSIZE == 32)
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#define ELF_NO_ADDR ELF32_NO_ADDR
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#define ELF_LINK_ADDR ELF32_LINK_ADDR
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#define ELF_NO_ADDR ELF32_NO_ADDR
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#define ELF_LINK_ADDR ELF32_LINK_ADDR
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#endif
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#ifndef ELF32_EHDR_FLAGS_OK
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@@ -1061,6 +1171,8 @@ struct elf_args {
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#include "opt_execfmt.h"
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#endif
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struct ps_strings;
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#ifdef EXEC_ELF32
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int exec_elf32_makecmds(struct lwp *, struct exec_package *);
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int elf32_copyargs(struct lwp *, struct exec_package *,
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