mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-13 18:34:53 +00:00
f3ab336d7c
When libelf from tools/ is used for building the kernel, compilation aborts due to access to undefined defines since Kbuild adds -Wundef to the compiler flags. Patch the header files to use `#if defined(...)` instead of `#if ...` to prevent such issues. Ref: https://github.com/NixOS/nixpkgs/issues/59929 Signed-off-by: Jo-Philipp Wich <jo@mein.io>
199 lines
4.7 KiB
Diff
199 lines
4.7 KiB
Diff
--- a/lib/elf_repl.h
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+++ b/lib/elf_repl.h
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@@ -45,7 +45,7 @@ typedef __libelf_u32_t Elf32_Word;
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#define ELF32_FSZ_SWORD 4
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#define ELF32_FSZ_WORD 4
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef __libelf_u64_t Elf64_Addr;
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typedef __libelf_u16_t Elf64_Half;
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@@ -93,7 +93,7 @@ typedef struct {
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Elf32_Half e_shstrndx;
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} Elf32_Ehdr;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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unsigned char e_ident[EI_NIDENT];
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Elf64_Half e_type;
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@@ -307,7 +307,7 @@ typedef struct {
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Elf32_Word sh_entsize;
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} Elf32_Shdr;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Word sh_name;
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Elf64_Word sh_type;
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@@ -434,7 +434,7 @@ typedef struct {
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Elf32_Half st_shndx;
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} Elf32_Sym;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Word st_name;
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unsigned char st_info;
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@@ -457,7 +457,7 @@ typedef struct {
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#define ELF32_ST_TYPE(i) ((i)&0xf)
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#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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#define ELF64_ST_BIND(i) ((i)>>4)
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#define ELF64_ST_TYPE(i) ((i)&0xf)
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#define ELF64_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
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@@ -495,7 +495,7 @@ typedef struct {
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* Macros for manipulating st_other
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*/
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#define ELF32_ST_VISIBILITY(o) ((o)&0x3)
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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#define ELF64_ST_VISIBILITY(o) ((o)&0x3)
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#endif /* __LIBELF64 */
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@@ -521,7 +521,7 @@ typedef struct {
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Elf32_Sword r_addend;
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} Elf32_Rela;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Addr r_offset;
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Elf64_Xword r_info;
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@@ -541,7 +541,7 @@ typedef struct {
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#define ELF32_R_TYPE(i) ((unsigned char)(i))
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#define ELF32_R_INFO(s,t) (((s)<<8)+(unsigned char)(t))
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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#define ELF64_R_SYM(i) ((Elf64_Xword)(i)>>32)
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#define ELF64_R_TYPE(i) ((i)&0xffffffffL)
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#define ELF64_R_INFO(s,t) (((Elf64_Xword)(s)<<32)+((t)&0xffffffffL))
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@@ -556,7 +556,7 @@ typedef struct {
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Elf32_Word n_type; /* descriptor type */
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} Elf32_Nhdr;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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/* Solaris and GNU use this layout. Be compatible. */
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/* XXX: Latest ELF specs say it's 64-bit!!! */
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typedef struct {
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@@ -587,7 +587,7 @@ typedef struct {
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Elf32_Word p_align;
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} Elf32_Phdr;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Word p_type;
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Elf64_Word p_flags;
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@@ -654,7 +654,7 @@ typedef struct {
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} d_un;
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} Elf32_Dyn;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Sxword d_tag;
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union {
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@@ -798,7 +798,7 @@ typedef struct {
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Elf32_Half si_flags;
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} Elf32_Syminfo;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Half si_boundto;
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Elf64_Half si_flags;
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@@ -863,7 +863,7 @@ typedef struct {
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typedef Elf32_Half Elf32_Versym;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Half vd_version;
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@@ -933,7 +933,7 @@ typedef Elf64_Half Elf64_Versym;
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/*
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* Move section
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*/
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf32_Lword m_value;
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@@ -973,7 +973,7 @@ typedef struct {
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} c_un;
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} Elf32_Cap;
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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typedef struct {
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Elf64_Xword c_tag;
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--- a/lib/gelf.h
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+++ b/lib/gelf.h
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@@ -22,15 +22,15 @@
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#ifndef _GELF_H
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#define _GELF_H
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-#if __LIBELF_INTERNAL__
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+#if defined(__LIBELF_INTERNAL__)
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#include <libelf.h>
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#else /* __LIBELF_INTERNAL__ */
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#include <libelf/libelf.h>
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#endif /* __LIBELF_INTERNAL__ */
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-#if __LIBELF_NEED_LINK_H
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+#if defined(__LIBELF_NEED_LINK_H)
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#include <link.h>
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-#elif __LIBELF_NEED_SYS_LINK_H
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+#elif defined(__LIBELF_NEED_SYS_LINK_H)
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#include <sys/link.h>
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#endif /* __LIBELF_NEED_LINK_H */
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@@ -71,7 +71,7 @@ typedef Elf64_Sym GElf_Sym;
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/*
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* Symbol versioning
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*/
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-#if __LIBELF_SYMBOL_VERSIONS
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+#if defined(__LIBELF_SYMBOL_VERSIONS)
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typedef Elf64_Verdef GElf_Verdef;
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typedef Elf64_Verneed GElf_Verneed;
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typedef Elf64_Verdaux GElf_Verdaux;
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--- a/lib/libelf.h
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+++ b/lib/libelf.h
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@@ -25,7 +25,7 @@
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#include <stddef.h> /* for size_t */
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#include <sys/types.h>
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-#if __LIBELF_INTERNAL__
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+#if defined(__LIBELF_INTERNAL__)
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#include <sys_elf.h>
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#else /* __LIBELF_INTERNAL__ */
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#include <libelf/sys_elf.h>
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@@ -224,7 +224,7 @@ extern Elf_Data *elf32_xlatetom __P((Elf
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*/
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extern long elf32_checksum __P((Elf *__elf));
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-#if __LIBELF64
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+#if defined(__LIBELF64)
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/*
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* 64-bit ELF functions
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* Not available on all platforms
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--- a/lib/sys_elf.h.in
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+++ b/lib/sys_elf.h.in
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@@ -116,7 +116,7 @@ Foundation, Inc., 51 Franklin Street, Fi
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# define ELF64_R_INFO(s,t) (((Elf64_Xword)(s)<<32)+((t)&0xffffffffL))
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# endif /* ELF64_R_SYM */
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-# if __LIBELF64_LINUX
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+# if defined(__LIBELF64_LINUX)
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typedef __libelf_u64_t Elf64_Addr;
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typedef __libelf_u16_t Elf64_Half;
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typedef __libelf_u64_t Elf64_Off;
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