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From Craig Silvestein: document the i386 relocs.

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This commit is contained in:
Ian Lance Taylor 2007-10-03 20:54:32 +00:00
parent ff0065209a
commit 9cf3573327
1 changed files with 38 additions and 35 deletions
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73
elfcpp/i386.h
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@ -32,51 +32,54 @@
#ifndef ELFCPP_I386_H
#define ELFCPP_I386_H
// Documentation for the TLS relocs is taken from
// http://people.redhat.com/drepper/tls.pdf
namespace elfcpp
{
enum
{
R_386_NONE = 0,
R_386_32 = 1,
R_386_PC32 = 2,
R_386_GOT32 = 3,
R_386_PLT32 = 4,
R_386_COPY = 5,
R_386_GLOB_DAT = 6,
R_386_JUMP_SLOT = 7,
R_386_RELATIVE = 8,
R_386_GOTOFF = 9,
R_386_GOTPC = 10,
R_386_NONE = 0, // No reloc
R_386_32 = 1, // Direct 32 bit zero extended
R_386_PC32 = 2, // PC relative 32 bit signed
R_386_GOT32 = 3, // 32 bit GOT entry
R_386_PLT32 = 4, // 32 bit PLT address
R_386_COPY = 5, // Copy symbol at runtime
R_386_GLOB_DAT = 6, // Create GOT entry
R_386_JUMP_SLOT = 7, // Create PLT entry
R_386_RELATIVE = 8, // Adjust by program base
R_386_GOTOFF = 9, // 32-bit GOT offset
R_386_GOTPC = 10, // 32-bit PC relative offset to GOT
// Used by Sun.
R_386_32PLT = 11,
// TLS extensions.
R_386_TLS_TPOFF = 14,
R_386_TLS_IE = 15,
R_386_TLS_GOTIE = 16,
R_386_TLS_LE = 17,
R_386_TLS_GD = 18,
R_386_TLS_LDM = 19,
R_386_TLS_TPOFF = 14, // Outstanding Initial Exec reloc, gnu-style (both)
R_386_TLS_IE = 15, // Initial Initial Exec reloc, gnu-style (no-PIC)
R_386_TLS_GOTIE = 16, // Initial Initial Exec reloc, gnu-style (for PIC)
R_386_TLS_LE = 17, // Initial Local Exec reloc, gnu-style
R_386_TLS_GD = 18, // Initial General Dynamic reloc, gnu-style
R_386_TLS_LDM = 19, // Initial Local Dynamic reloc, gnu-style
// GNU extensions.
R_386_16 = 20,
R_386_PC16 = 21,
R_386_8 = 22,
R_386_PC8 = 23,
R_386_16 = 20, // Direct 16 bit zero extended
R_386_PC16 = 21, // 16 bit sign extended pc relative
R_386_8 = 22, // Direct 8 bit sign extended
R_386_PC8 = 23, // 8 bit sign extended pc relative
// More TLS relocs.
R_386_TLS_GD_32 = 24,
R_386_TLS_GD_PUSH = 25,
R_386_TLS_GD_CALL = 26,
R_386_TLS_GD_POP = 27,
R_386_TLS_LDM_32 = 28,
R_386_TLS_LDM_PUSH = 29,
R_386_TLS_LDM_CALL = 30,
R_386_TLS_LDM_POP = 31,
R_386_TLS_LDO_32 = 32,
R_386_TLS_IE_32 = 33,
R_386_TLS_LE_32 = 34,
R_386_TLS_DTPMOD32 = 35,
R_386_TLS_DTPOFF32 = 36,
R_386_TLS_TPOFF32 = 37,
R_386_TLS_GD_32 = 24, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_PUSH = 25, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_CALL = 26, // Initial General Dynamic reloc, sun-style
R_386_TLS_GD_POP = 27, // Initial General Dynamic reloc, sun-style
R_386_TLS_LDM_32 = 28, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_PUSH = 29, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_CALL = 30, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDM_POP = 31, // Initial Local Dynamic reloc, sun-style
R_386_TLS_LDO_32 = 32, // Initial Local Dynamic reloc, sun+gnu styles
R_386_TLS_IE_32 = 33, // Initial Initial Exec reloc, sun-style
R_386_TLS_LE_32 = 34, // Initial Local Exec reloc, sun-style
R_386_TLS_DTPMOD32 = 35, // Outstanding General/Local Dynamic reloc, sun+gnu
R_386_TLS_DTPOFF32 = 36, // Outstanding General Dynamic reloc, sun+gnu
R_386_TLS_TPOFF32 = 37, // Outstanding Initial Exec reloc, sun-style
R_386_TLS_GOTDESC = 39,
R_386_TLS_DESC_CALL = 40,
R_386_TLS_DESC = 41,