From b4336ba4f583e853fff4620243ae027cbab2b541 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Fri, 1 May 2015 16:21:55 +0200 Subject: elf.h: Add section compression constants and structures. Add SHF_COMPRESSED section flag, Elf32_Chdr and Elf64_Chdr structs and ELFCOMPRESS constants to elf/elf.h. --- elf/elf.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) (limited to 'elf') diff --git a/elf/elf.h b/elf/elf.h index 39bafc2..12feb91 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -367,6 +367,7 @@ typedef struct required */ #define SHF_GROUP (1 << 9) /* Section is member of a group. */ #define SHF_TLS (1 << 10) /* Section hold thread-local data. */ +#define SHF_COMPRESSED (1 << 11) /* Section with compressed data. */ #define SHF_MASKOS 0x0ff00000 /* OS-specific. */ #define SHF_MASKPROC 0xf0000000 /* Processor-specific */ #define SHF_ORDERED (1 << 30) /* Special ordering requirement @@ -374,6 +375,30 @@ typedef struct #define SHF_EXCLUDE (1U << 31) /* Section is excluded unless referenced or allocated (Solaris).*/ +/* Section compression header. Used when SHF_COMPRESSED is set. */ + +typedef struct +{ + Elf32_Word ch_type; /* Compression format. */ + Elf32_Word ch_size; /* Uncompressed data size. */ + Elf32_Word ch_addralign; /* Uncompressed data alignment. */ +} Elf32_Chdr; + +typedef struct +{ + Elf64_Word ch_type; /* Compression format. */ + Elf64_Word ch_reserved; + Elf64_Xword ch_size; /* Uncompressed data size. */ + Elf64_Xword ch_addralign; /* Uncompressed data alignment. */ +} Elf64_Chdr; + +/* Legal values for ch_type (compression algorithm). */ +#define ELFCOMPRESS_ZLIB 1 /* ZLIB/DEFLATE algorithm. */ +#define ELFCOMPRESS_LOOS 0x60000000 /* Start of OS-specific. */ +#define ELFCOMPRESS_HIOS 0x6fffffff /* End of OS-specific. */ +#define ELFCOMPRESS_LOPROC 0x70000000 /* Start of processor-specific. */ +#define ELFCOMPRESS_HIPROC 0x7fffffff /* End of processor-specific. */ + /* Section group handling. */ #define GRP_COMDAT 0x1 /* Mark group as COMDAT. */ -- cgit v1.1