clang-format
This commit is contained in:
Markus F.X.J. Oberhumer
parent
568859d16f
commit
f598fa13a9
1
.github/CODEOWNERS
vendored
1
.github/CODEOWNERS
vendored
@ -1,6 +1,5 @@
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* @markus-oberhumer @jreiser
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/src/p_elf* @jreiser
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/src/p_lx_* @jreiser
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/src/p_mach* @jreiser
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/src/p_unix* @jreiser
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@ -98,7 +98,7 @@ endif
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ifeq ($(shell uname),Linux)
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# Markus loves clang-format, but John hates it; find a compromise
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CLANG_FORMAT_EXCLUDE_FILES += miniacc.h stub/%.h
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CLANG_FORMAT_EXCLUDE_FILES += p_elf.h p_elf_enum.h p_lx_% p_mach% p_unix% p_vmlin%
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CLANG_FORMAT_EXCLUDE_FILES += p_lx_% p_mach% p_unix% p_vmlin%
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CLANG_FORMAT_FILES := $(sort $(wildcard *.[ch]* ../maint/src/*.[ch]* */*.[ch]*))
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CLANG_FORMAT_FILES += $(sort $(wildcard stub/tools/*/*.[ch]*))
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CLANG_FORMAT_FILES += $(sort $(wildcard ../misc/cmake/try_compile/*.[ch]*))
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94
src/p_elf.h
94
src/p_elf.h
@ -35,8 +35,7 @@ namespace N_Elf {
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// integral types
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template <class THalf, class TWord, class TXword, class TAddr, class TOff>
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struct ElfITypes
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{
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struct ElfITypes {
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typedef THalf Half;
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typedef TWord Word;
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typedef TXword Xword;
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@ -46,7 +45,6 @@ struct ElfITypes
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typedef THalf Versym;
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};
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// The ELF file header. This appears at the start of every ELF file.
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template <class TElfITypes>
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packed_struct(Ehdr) {
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@ -70,11 +68,10 @@ packed_struct(Ehdr) {
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Half e_shnum; /* Section header table entry count */
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Half e_shstrndx; /* Section header string table index */
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# define WANT_EHDR_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_EHDR_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Dyn) {
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typedef typename TElfITypes::Xword Xword;
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@ -83,11 +80,10 @@ packed_struct(Dyn) {
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Xword d_tag;
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Addr d_val;
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# define WANT_DYN_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_DYN_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Rel) {
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typedef typename TElfITypes::Xword Xword;
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@ -97,7 +93,6 @@ packed_struct(Rel) {
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Xword r_info;
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};
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template <class TElfITypes>
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packed_struct(Rela) {
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typedef typename TElfITypes::Xword Xword;
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@ -108,7 +103,6 @@ packed_struct(Rela) {
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Xword r_addend;
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};
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template <class TElfITypes>
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packed_struct(External_Note) {
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typedef typename TElfITypes::Word Word;
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@ -116,14 +110,12 @@ packed_struct(External_Note) {
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Word xn_namesz; // includes terminating '\0'
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Word xn_datasz;
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Word xn_type;
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//char xn_name[N]; // terminate with '\0'
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//char xn_data[M]; // aligned to 0 mod 4
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// char xn_name[N]; // terminate with '\0'
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// char xn_data[M]; // aligned to 0 mod 4
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};
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} // namespace N_Elf
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/*************************************************************************
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// N_Elf32
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**************************************************************************/
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@ -145,11 +137,10 @@ packed_struct(Phdr) {
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Word p_flags; /* Segment flags */
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Word p_align; /* Segment alignment */
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# define WANT_PHDR_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_PHDR_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Shdr) {
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typedef typename TElfITypes::Word Word;
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@ -167,11 +158,10 @@ packed_struct(Shdr) {
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Word sh_addralign; /* Section alignment */
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Word sh_entsize; /* Entry size if section holds table */
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# define WANT_SHDR_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_SHDR_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Sym) {
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typedef typename TElfITypes::Word Word;
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@ -185,19 +175,18 @@ packed_struct(Sym) {
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unsigned char st_other; /* symbol visibility */
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Section st_shndx; /* section index */
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# define WANT_SYM_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_SYM_ENUM 1
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#include "p_elf_enum.h"
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static unsigned int get_st_bind(unsigned x) { return 0xf & (x>>4); }
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static unsigned int get_st_type(unsigned x) { return 0xf & x ; }
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static unsigned char make_st_info(unsigned bind, unsigned type)
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{ return (unsigned char) (((bind<<4) + (0xf & type)) & 0xff); }
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static unsigned int get_st_bind(unsigned x) { return 0xf & (x >> 4); }
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static unsigned int get_st_type(unsigned x) { return 0xf & x; }
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static unsigned char make_st_info(unsigned bind, unsigned type) {
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return (unsigned char) (((bind << 4) + (0xf & type)) & 0xff);
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}
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};
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} // namespace N_Elf32
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/*************************************************************************
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// N_Elf64
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**************************************************************************/
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@ -220,11 +209,10 @@ packed_struct(Phdr) {
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Xword p_memsz; /* Segment size in memory */
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Xword p_align; /* Segment alignment */
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# define WANT_PHDR_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_PHDR_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Shdr) {
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typedef typename TElfITypes::Word Word;
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@ -243,11 +231,10 @@ packed_struct(Shdr) {
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Xword sh_addralign; /* Section alignment */
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Xword sh_entsize; /* Entry size if section holds table */
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# define WANT_SHDR_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_SHDR_ENUM 1
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#include "p_elf_enum.h"
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};
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template <class TElfITypes>
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packed_struct(Sym) {
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typedef typename TElfITypes::Word Word;
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@ -262,19 +249,18 @@ packed_struct(Sym) {
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Addr st_value; /* symbol value */
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Xword st_size; /* symbol size */
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# define WANT_SYM_ENUM 1
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# include "p_elf_enum.h"
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#define WANT_SYM_ENUM 1
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#include "p_elf_enum.h"
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static unsigned int get_st_bind(unsigned x) { return 0xf & (x>>4); }
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static unsigned int get_st_type(unsigned x) { return 0xf & x ; }
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static unsigned char make_st_info(unsigned bind, unsigned type)
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{ return (unsigned char) (((bind<<4) + (0xf & type)) & 0xff); }
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static unsigned int get_st_bind(unsigned x) { return 0xf & (x >> 4); }
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static unsigned int get_st_type(unsigned x) { return 0xf & x; }
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static unsigned char make_st_info(unsigned bind, unsigned type) {
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return (unsigned char) (((bind << 4) + (0xf & type)) & 0xff);
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}
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};
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} // namespace N_Elf64
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/*************************************************************************
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// aggregate types into an ElfClass
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**************************************************************************/
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@ -282,8 +268,7 @@ packed_struct(Sym) {
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namespace N_Elf {
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template <class TP>
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struct ElfClass_32
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{
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struct ElfClass_32 {
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typedef TP BeLePolicy;
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// integral types (target endianness)
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@ -296,10 +281,10 @@ struct ElfClass_32
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typedef N_Elf ::Ehdr<ElfITypes> Ehdr;
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typedef N_Elf32::Phdr<ElfITypes> Phdr;
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typedef N_Elf32::Shdr<ElfITypes> Shdr;
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typedef N_Elf ::Dyn <ElfITypes> Dyn;
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typedef N_Elf ::Rel <ElfITypes> Rel;
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typedef N_Elf ::Dyn<ElfITypes> Dyn;
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typedef N_Elf ::Rel<ElfITypes> Rel;
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typedef N_Elf ::Rela<ElfITypes> Rela;
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typedef N_Elf32::Sym <ElfITypes> Sym;
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typedef N_Elf32::Sym<ElfITypes> Sym;
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typedef N_Elf ::External_Note<ElfITypes> External_Note;
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static void compileTimeAssertions() {
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@ -323,10 +308,8 @@ struct ElfClass_32
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}
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};
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template <class TP>
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struct ElfClass_64
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{
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struct ElfClass_64 {
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typedef TP BeLePolicy;
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// integral types (target endianness)
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@ -339,10 +322,10 @@ struct ElfClass_64
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typedef N_Elf ::Ehdr<ElfITypes> Ehdr;
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typedef N_Elf64::Phdr<ElfITypes> Phdr;
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typedef N_Elf64::Shdr<ElfITypes> Shdr;
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typedef N_Elf ::Dyn <ElfITypes> Dyn;
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typedef N_Elf ::Rel <ElfITypes> Rel;
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typedef N_Elf ::Dyn<ElfITypes> Dyn;
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typedef N_Elf ::Rel<ElfITypes> Rel;
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typedef N_Elf ::Rela<ElfITypes> Rela;
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typedef N_Elf64::Sym <ElfITypes> Sym;
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typedef N_Elf64::Sym<ElfITypes> Sym;
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typedef N_Elf ::External_Note<ElfITypes> External_Note;
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static void compileTimeAssertions() {
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@ -366,10 +349,8 @@ struct ElfClass_64
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}
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};
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} // namespace N_Elf
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typedef N_Elf::ElfClass_32<N_BELE_CTP::HostPolicy> ElfClass_Host32;
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typedef N_Elf::ElfClass_64<N_BELE_CTP::HostPolicy> ElfClass_Host64;
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typedef N_Elf::ElfClass_32<N_BELE_CTP::BEPolicy> ElfClass_BE32;
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@ -377,7 +358,6 @@ typedef N_Elf::ElfClass_64<N_BELE_CTP::BEPolicy> ElfClass_BE64;
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typedef N_Elf::ElfClass_32<N_BELE_CTP::LEPolicy> ElfClass_LE32;
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typedef N_Elf::ElfClass_64<N_BELE_CTP::LEPolicy> ElfClass_LE64;
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/*************************************************************************
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// shortcuts
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**************************************************************************/
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144
src/p_elf_enum.h
144
src/p_elf_enum.h
@ -25,7 +25,6 @@
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<markus@oberhumer.com> <ezerotven+github@gmail.com>
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*/
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/*************************************************************************
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// Use the preprocessor to work around
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// - that the types embedding these enums have to be PODs, and
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@ -36,22 +35,22 @@
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#ifdef WANT_EHDR_ENUM
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#undef WANT_EHDR_ENUM
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enum { // indices for e_ident[16]
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enum { // indices for e_ident[16]
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EI_CLASS = 4,
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EI_DATA = 5, /* Data encoding */
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EI_VERSION = 6,
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EI_OSABI = 7,
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EI_ABIVERSION = 8,
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};
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enum { // e_ident[EI_CLASS]
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};
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enum { // e_ident[EI_CLASS]
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ELFCLASS32 = 1, /* 32-bit objects */
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ELFCLASS64 = 2, /* 64-bit objects */
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};
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enum { // e_ident[EI_DATA]
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};
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enum { // e_ident[EI_DATA]
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ELFDATA2LSB = 1, /* 2's complement, little endian */
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ELFDATA2MSB = 2, /* 2's complement, big endian */
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};
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enum { // e_ident[EI_OSABI]
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};
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enum { // e_ident[EI_OSABI]
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ELFOSABI_NONE = 0, // == ELFOSABI_SYSV
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ELFOSABI_NETBSD = 2,
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ELFOSABI_LINUX = 3,
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@ -61,15 +60,15 @@
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ELFOSABI_OPENBSD = 12,
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ELFOSABI_ARM = 97,
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ELFOSABI_STANDALONE = 255 // Standalone (embedded) application
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};
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enum { // e_type
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};
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enum { // e_type
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ET_NONE = 0, /* No file type */
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ET_REL = 1, /* Relocatable file */
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ET_EXEC = 2, /* Executable file */
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ET_DYN = 3, /* Shared object file */
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ET_CORE = 4, /* Core file */
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};
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enum { // e_machine
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};
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enum { // e_machine
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EM_386 = 3, // i386
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EM_MIPS = 8,
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EM_MIPS_RS3_LE = 10, // MIPS R3000 little-endian
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@ -82,16 +81,15 @@
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EM_ARM64 = EM_AARCH64,
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EM_RISCV = 243, // risc-v
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EM_LOONGARCH = 258,
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};
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enum { // e_version
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};
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enum { // e_version
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EV_CURRENT = 1,
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};
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};
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#endif
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#ifdef WANT_PHDR_ENUM
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#undef WANT_PHDR_ENUM
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enum { // p_type
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enum { // p_type
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PT_NULL = 0, /* Ignore: a "comment" */
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PT_LOAD = 1, /* Loadable program segment */
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PT_DYNAMIC = 2, /* Dynamic linking information */
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@ -101,19 +99,18 @@
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PT_NUM = 8, /* Number of defined types in low range */
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PT_GNU_STACK = 0x6474e551, /* Indicates stack executability */
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PT_GNU_RELRO = 0x6474e552, /* Read-only after relocation */
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};
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};
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enum { // p_flags
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enum { // p_flags
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PF_X = 1, /* Segment is executable */
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PF_W = 2, /* Segment is writable */
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PF_R = 4, /* Segment is readable */
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};
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};
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#endif
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#ifdef WANT_SHDR_ENUM
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#undef WANT_SHDR_ENUM
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enum { // sh_type
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enum { // sh_type
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SHT_NULL = 0, /* Section header table entry unused */
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SHT_PROGBITS = 1, /* Program data */
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SHT_SYMTAB = 2, /* Symbol table */
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@ -141,9 +138,9 @@
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SHT_LOOS = 0x60000000, /* LOcal OS; SHT_ANDROID_REL{,A} is +1, +2 */
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SHT_LOPROC = 0x70000000, /* Start of processor-specific */
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SHT_ARM_ATTRIBUTES = (SHT_LOPROC + 3), /* ARM attributes section. */
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};
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};
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enum { // sh_flags
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enum { // sh_flags
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SHF_WRITE = (1 << 0), /* Writable */
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SHF_ALLOC = (1 << 1), /* Occupies memory during execution */
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SHF_EXECINSTR = (1 << 2), /* Executable */
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@ -151,13 +148,12 @@
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SHF_STRINGS = (1 << 5), /* Contains nul-terminated strings */
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SHF_INFO_LINK = (1 << 6), /* 'sh_info' contains SHT index */
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||||
SHF_LINK_ORDER = (1 << 7), /* Preserve order after combining */
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};
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||||
};
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||||
#endif
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||||
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||||
#ifdef WANT_DYN_ENUM
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#undef WANT_DYN_ENUM
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enum { // d_tag
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enum { // d_tag
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||||
DT_NULL = 0, /* End flag */
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DT_NEEDED = 1, /* Name of needed library */
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DT_PLTRELSZ = 2, /* Size in bytes of PLT relocs */
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@ -181,10 +177,10 @@
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DT_JMPREL = 23, /* Address of PLT relocs */
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DT_INIT_ARRAY = 25, /* Array with addresses of init fct */
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DT_FINI_ARRAY = 26, /* Array with addresses of fini fct */
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DT_INIT_ARRAYSZ= 27, /* size in bytes */
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DT_FINI_ARRAYSZ= 28, /* size in bytes */
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DT_INIT_ARRAYSZ = 27, /* size in bytes */
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DT_FINI_ARRAYSZ = 28, /* size in bytes */
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DT_PREINIT_ARRAY = 32, /* Array with addresses of preinit fct*/
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DT_PREINIT_ARRAYSZ= 33, /* size in bytes */
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DT_PREINIT_ARRAYSZ = 33, /* size in bytes */
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DT_NUM = 35, /* end of easy range */
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||||
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DT_CHECKSUM = 0x6ffffdf8, /* Only for prelink? */
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@ -193,23 +189,22 @@
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DT_FLAGS_1 = 0x6ffffffb, /* DF_1_* */
|
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DT_VERDEF = 0x6ffffffc, /* version definitions[] */
|
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DT_VERNEED = 0x6ffffffe, /* version[] needed */
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};
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enum { // DT_FLAGS_1
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};
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enum { // DT_FLAGS_1
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DF_1_NOW = 0x00000001, /* Set RTLD_NOW for this object. */
|
||||
DF_1_PIE = 0x08000000, // Position-Independent Executable (main program)
|
||||
};
|
||||
};
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||||
#endif
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||||
|
||||
|
||||
#ifdef WANT_SYM_ENUM
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||||
#undef WANT_SYM_ENUM
|
||||
enum { // st_bind (high 4 bits of st_info)
|
||||
enum { // st_bind (high 4 bits of st_info)
|
||||
STB_LOCAL = 0, /* Local symbol */
|
||||
STB_GLOBAL = 1, /* Global symbol */
|
||||
STB_WEAK = 2, /* Weak symbol */
|
||||
};
|
||||
};
|
||||
|
||||
enum { // st_type (low 4 bits of st_info)
|
||||
enum { // st_type (low 4 bits of st_info)
|
||||
STT_NOTYPE = 0, /* Symbol type is unspecified */
|
||||
STT_OBJECT = 1, /* Symbol is a data object */
|
||||
STT_FUNC = 2, /* Symbol is a code object */
|
||||
@ -217,39 +212,40 @@
|
||||
STT_FILE = 4, /* Symbol's name is file name */
|
||||
STT_COMMON = 5, /* Symbol is a common data object */
|
||||
STT_TLS = 6, /* Symbol is thread-local data object*/
|
||||
};
|
||||
};
|
||||
|
||||
enum { // st_other (visibility)
|
||||
enum { // st_other (visibility)
|
||||
STV_DEFAULT = 0, /* Default symbol visibility rules */
|
||||
STV_INTERNAL = 1, /* Processor specific hidden class */
|
||||
STV_HIDDEN = 2, /* Sym unavailable in other modules */
|
||||
STV_PROTECTED= 3, /* Not preemptible, not exported */
|
||||
};
|
||||
STV_PROTECTED = 3, /* Not preemptible, not exported */
|
||||
};
|
||||
|
||||
enum { // st_shndx
|
||||
enum { // st_shndx
|
||||
SHN_UNDEF = 0, /* Undefined section */
|
||||
SHN_ABS = 0xfff1, /* Associated symbol is absolute */
|
||||
SHN_COMMON = 0xfff2, /* Associated symbol is common */
|
||||
};
|
||||
};
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef WANT_REL_ENUM //{
|
||||
#undef WANT_REL_ENUM
|
||||
static inline unsigned ELF32_R_TYPE(unsigned x) { return 0xff & x; }
|
||||
static inline unsigned ELF64_R_TYPE(upx_uint64_t x) { return 0xffffffff & (unsigned)x; }
|
||||
static inline unsigned ELF32_R_SYM(unsigned x) { return x >> 8; }
|
||||
static inline unsigned ELF64_R_SYM(upx_uint64_t x) { return x >> 32; }
|
||||
static inline unsigned ELF32_R_INFO(unsigned sym, unsigned type)
|
||||
{ return (sym << 8) + (type & 0xff); }
|
||||
static inline upx_int64_t ELF64_R_INFO(unsigned sym, unsigned type)
|
||||
{ return ((upx_uint64_t)sym << 32) + type; }
|
||||
static inline unsigned ELF32_R_TYPE(unsigned x) { return 0xff & x; }
|
||||
static inline unsigned ELF64_R_TYPE(upx_uint64_t x) { return 0xffffffff & (unsigned) x; }
|
||||
static inline unsigned ELF32_R_SYM(unsigned x) { return x >> 8; }
|
||||
static inline unsigned ELF64_R_SYM(upx_uint64_t x) { return x >> 32; }
|
||||
static inline unsigned ELF32_R_INFO(unsigned sym, unsigned type) {
|
||||
return (sym << 8) + (type & 0xff);
|
||||
}
|
||||
static inline upx_int64_t ELF64_R_INFO(unsigned sym, unsigned type) {
|
||||
return ((upx_uint64_t) sym << 32) + type;
|
||||
}
|
||||
|
||||
# undef R_PPC_RELATIVE
|
||||
# undef R_PPC64_RELATIVE
|
||||
# undef R_PPC_JMP_SLOT
|
||||
# undef R_PPC64_JMP_SLOT
|
||||
enum { // relocation types
|
||||
#undef R_PPC_RELATIVE
|
||||
#undef R_PPC64_RELATIVE
|
||||
#undef R_PPC_JMP_SLOT
|
||||
#undef R_PPC64_JMP_SLOT
|
||||
enum { // relocation types
|
||||
R_386_RELATIVE = 8,
|
||||
R_AARCH64_RELATIVE = 1027,
|
||||
R_ARM_RELATIVE = 23,
|
||||
@ -274,12 +270,12 @@
|
||||
R_AARCH64_ABS64 = 257,
|
||||
R_AARCH64_GLOB_DAT = 1025,
|
||||
|
||||
};
|
||||
};
|
||||
#endif //}
|
||||
|
||||
#ifdef WANT_NHDR_ENUM
|
||||
#undef WANT_NHDR_ENUM
|
||||
enum { // ELF PT_NOTE types
|
||||
enum { // ELF PT_NOTE types
|
||||
#define ELF_NOTE_GNU_NAME "GNU\0"
|
||||
NT_GNU_ABI_TAG = 1,
|
||||
NT_GNU_HWCAP = 2,
|
||||
@ -292,38 +288,38 @@
|
||||
NHDR_NETBSD_TAG = 1,
|
||||
NHDR_CHECKSUM_TAG = 2,
|
||||
NHDR_PAX_TAG = 3,
|
||||
};
|
||||
};
|
||||
|
||||
enum { // descsz descriptor sizes
|
||||
enum { // descsz descriptor sizes
|
||||
GNU_ABI_DESCSZ = 16, // int GNU_OS, major, minor, subminor;
|
||||
NETBSD_DESCSZ = 4, // major_ver * (10**8) + minor
|
||||
OPENBSD_DESCSZ = 4, // 32-bit zero
|
||||
// CHECKSUM_DESCSZ is 2*sizeof(short) + sizeof(checksum)
|
||||
PAX_DESCSZ = 4, // 32-bit mask
|
||||
};
|
||||
};
|
||||
|
||||
enum { // GNU OS/version
|
||||
enum { // GNU OS/version
|
||||
GNU_OS_LINUX = 0,
|
||||
GNU_OS_HURD = 1,
|
||||
GNU_OS_SOLARIS = 2,
|
||||
};
|
||||
};
|
||||
|
||||
enum { // NetBSD checksum methods
|
||||
enum { // NetBSD checksum methods
|
||||
CHECKSUM_CRC32 = 1,
|
||||
CHECKSUM_MD5 = 2,
|
||||
CHECKSUM_SHA1 = 3,
|
||||
CHECKSUM_SHA256 = 4,
|
||||
};
|
||||
};
|
||||
|
||||
#define ELF_NOTE_PAX_NAME "PaX\0"
|
||||
enum { // NetBSD PaX bit values
|
||||
PAX_MPROTECT = (1<<0), /* force enable Mprotect */
|
||||
PAX_NOMPROTECT = (1<<1), /* force disable Mprotect */
|
||||
PAX_GUARD = (1<<2), /* force enable SEGVguard */
|
||||
PAX_NOGUARD = (1<<3), /* force disable SEGVguard */
|
||||
PAX_ASLR = (1<<4), /* force enable ASLR */
|
||||
PAX_NOASLR = (1<<5), /* force disable ASLR */
|
||||
};
|
||||
enum { // NetBSD PaX bit values
|
||||
PAX_MPROTECT = (1 << 0), /* force enable Mprotect */
|
||||
PAX_NOMPROTECT = (1 << 1), /* force disable Mprotect */
|
||||
PAX_GUARD = (1 << 2), /* force enable SEGVguard */
|
||||
PAX_NOGUARD = (1 << 3), /* force disable SEGVguard */
|
||||
PAX_ASLR = (1 << 4), /* force enable ASLR */
|
||||
PAX_NOASLR = (1 << 5), /* force disable ASLR */
|
||||
};
|
||||
#endif
|
||||
|
||||
/* vim:set ts=4 sw=4 et: */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user