elf: complete some constants (#296)

* complete E_MACHINE constants
* complete E_TYPE constants
* defined SHF_EXCLUDE

src/elf/constants_header.rs

@@ -333,7 +333,9 @@ pub const EM_BA2: u16 = 202;
 pub const EM_XCORE: u16 = 203;
 /// Microchip 8-bit PIC(r)
 pub const EM_MCHP_PIC: u16 = 204;
-// reserved 205-209
+/// Intel Graphics Technology
+pub const EM_INTELGT: u16 = 205;
+// reserved 206-209
 /// KM211 KM32
 pub const EM_KM32: u16 = 210;
 /// KM211 KMX32
@@ -371,6 +373,9 @@ pub const EM_RISCV: u16 = 243;
 /// Linux BPF -- in-kernel virtual machine
 pub const EM_BPF: u16 = 247;
 
+/// C-SKY
+pub const EM_CSKY: u16 = 252;
+
 pub const EM_NUM: u16 = 248;
 
 /// Convert machine to str representation

src/elf/header.rs

@@ -84,6 +84,14 @@ pub const ET_DYN: u16 = 3;
 pub const ET_CORE: u16 = 4;
 /// Number of defined types.
 pub const ET_NUM: u16 = 5;
+/// OS-specific range start
+pub const ET_LOOS: u16 = 0xfe00;
+/// OS-specific range end
+pub const ET_HIOS: u16 = 0xfeff;
+/// Processor-specific range start
+pub const ET_LOPROC: u16 = 0xff00;
+/// Processor-specific range end
+pub const ET_HIPROC: u16 = 0xffff;
 
 /// The ELF magic number.
 pub const ELFMAG: &[u8; 4] = b"\x7FELF";

src/elf/section_header.rs

@@ -187,8 +187,8 @@ pub const SHF_MASKPROC: u32 = 0xf000_0000;
 pub const SHF_ORDERED: u32 = 1 << 30;
 /// Number of "regular" section header flags
 pub const SHF_NUM_REGULAR_FLAGS: usize = 12;
-// /// Section is excluded unless referenced or allocated (Solaris).
-// pub const SHF_EXCLUDE: u32 = 1U << 31;
+/// Section is excluded unless referenced or allocated (Solaris).
+pub const SHF_EXCLUDE: u32 = 0x80000000; // 1U << 31
 
 pub const SHF_FLAGS: [u32; SHF_NUM_REGULAR_FLAGS] = [
     SHF_WRITE,