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-rw-r--r--usr/include/sys/elf32.h117
1 files changed, 117 insertions, 0 deletions
diff --git a/usr/include/sys/elf32.h b/usr/include/sys/elf32.h
new file mode 100644
index 0000000..6da2ddb
--- /dev/null
+++ b/usr/include/sys/elf32.h
@@ -0,0 +1,117 @@
+/*
+ * sys/elf32.h
+ */
+
+#ifndef _SYS_ELF32_H
+#define _SYS_ELF32_H
+
+#include <sys/elfcommon.h>
+
+/* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
+typedef uint16_t Elf32_Half;
+typedef int16_t Elf32_SHalf;
+typedef uint32_t Elf32_Word;
+typedef int32_t Elf32_Sword;
+typedef uint64_t Elf32_Xword;
+typedef int64_t Elf32_Sxword;
+
+typedef uint32_t Elf32_Off;
+typedef uint32_t Elf32_Addr;
+typedef uint16_t Elf32_Section;
+
+/* Dynamic header */
+
+typedef struct elf32_dyn {
+ Elf32_Sword d_tag;
+ union {
+ Elf32_Sword d_val;
+ Elf32_Addr d_ptr;
+ } d_un;
+} Elf32_Dyn;
+
+/* Relocations */
+
+#define ELF32_R_SYM(x) ((x) >> 8)
+#define ELF32_R_TYPE(x) ((x) & 0xff)
+
+typedef struct elf32_rel {
+ Elf32_Addr r_offset;
+ Elf32_Word r_info;
+} Elf32_Rel;
+
+typedef struct elf32_rela {
+ Elf32_Addr r_offset;
+ Elf32_Word r_info;
+ Elf32_Sword r_addend;
+} Elf32_Rela;
+
+/* Symbol */
+
+typedef struct elf32_sym {
+ Elf32_Word st_name;
+ Elf32_Addr st_value;
+ Elf32_Word st_size;
+ unsigned char st_info;
+ unsigned char st_other;
+ Elf32_Half st_shndx;
+} Elf32_Sym;
+
+/* Main file header */
+
+typedef struct elf32_hdr {
+ unsigned char e_ident[EI_NIDENT];
+ Elf32_Half e_type;
+ Elf32_Half e_machine;
+ Elf32_Word e_version;
+ Elf32_Addr e_entry;
+ Elf32_Off e_phoff;
+ Elf32_Off e_shoff;
+ Elf32_Word e_flags;
+ Elf32_Half e_ehsize;
+ Elf32_Half e_phentsize;
+ Elf32_Half e_phnum;
+ Elf32_Half e_shentsize;
+ Elf32_Half e_shnum;
+ Elf32_Half e_shstrndx;
+} Elf32_Ehdr;
+
+/* Program header */
+
+typedef struct elf32_phdr {
+ Elf32_Word p_type;
+ Elf32_Off p_offset;
+ Elf32_Addr p_vaddr;
+ Elf32_Addr p_paddr;
+ Elf32_Word p_filesz;
+ Elf32_Word p_memsz;
+ Elf32_Word p_flags;
+ Elf32_Word p_align;
+} Elf32_Phdr;
+
+/* Section header */
+
+typedef struct elf32_shdr {
+ Elf32_Word sh_name;
+ Elf32_Word sh_type;
+ Elf32_Word sh_flags;
+ Elf32_Addr sh_addr;
+ Elf32_Off sh_offset;
+ Elf32_Word sh_size;
+ Elf32_Word sh_link;
+ Elf32_Word sh_info;
+ Elf32_Word sh_addralign;
+ Elf32_Word sh_entsize;
+} Elf32_Shdr;
+
+/* Note header */
+typedef struct elf32_note {
+ Elf32_Word n_namesz; /* Name size */
+ Elf32_Word n_descsz; /* Content size */
+ Elf32_Word n_type; /* Content type */
+} Elf32_Nhdr;
+
+/* How to extract and insert information held in the st_info field. */
+#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
+#define ELF32_ST_TYPE(val) ((val) & 0xf)
+
+#endif /* _SYS_ELF32_H */