diff options
| -rw-r--r-- | elfcpp/ChangeLog | 7 | ||||
| -rw-r--r-- | elfcpp/elfcpp.h | 34 | ||||
| -rw-r--r-- | elfcpp/sparc.h | 153 |
3 files changed, 191 insertions, 3 deletions
diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog index 4c22bfd..0c21040 100644 --- a/elfcpp/ChangeLog +++ b/elfcpp/ChangeLog @@ -1,3 +1,10 @@ +2008-04-11 David S. Miller <davem@davemloft.net> + + * sparc.h: New file + * elfcpp.h (SHN_BEFORE, SHN_AFTER): New enum constants. + (SHT_SPARC_GOTDATA, SHF_ORDERED, SHF_EXCLUDE, + STT_SPARC_REGISTER, DT_SPARC_REGISTER): Likewise. + 2008-04-03 Ian Lance Taylor <iant@google.com> * elfcpp_swap.h (Swap_unaligned<64, true>::writeval): Correct diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h index 67dca8e..b2ccbf5 100644 --- a/elfcpp/elfcpp.h +++ b/elfcpp/elfcpp.h @@ -315,7 +315,12 @@ enum SHN_ABS = 0xfff1, SHN_COMMON = 0xfff2, SHN_XINDEX = 0xffff, - SHN_HIRESERVE = 0xffff + SHN_HIRESERVE = 0xffff, + + // Provide for initial and final section ordering in conjunction + // with the SHF_LINK_ORDER and SHF_ORDERED section flags. + SHN_BEFORE = 0xff00, + SHN_AFTER = 0xff01, }; // The valid values found in the Shdr sh_type field. @@ -361,6 +366,8 @@ enum SHT // Symbol versions, SHT_SUNW_versym = 0x6fffffff, SHT_GNU_versym = 0x6fffffff, + + SHT_SPARC_GOTDATA = 0x70000000, }; // The valid bit flags found in the Shdr sh_flags field. @@ -378,7 +385,19 @@ enum SHF SHF_GROUP = 0x200, SHF_TLS = 0x400, SHF_MASKOS = 0x0ff00000, - SHF_MASKPROC = 0xf0000000 + SHF_MASKPROC = 0xf0000000, + + // Indicates this section requires ordering in relation to + // other sections of the same type. Ordered sections are + // combined within the section pointed to by the sh_link entry. + // The sh_info values SHN_BEFORE and SHN_AFTER imply that the + // sorted section is to precede or follow, respectively, all + // other sections in the set being ordered. + SHF_ORDERED = 0x40000000, + // This section is excluded from input to the link-edit of an + // executable or shared object. This flag is ignored if SHF_ALLOC + // is also set, or if relocations exist against the section. + SHF_EXCLUDE = 0x80000000, }; // Bit flags which appear in the first 32-bit word of the section data @@ -455,7 +474,11 @@ enum STT STT_LOOS = 10, STT_HIOS = 12, STT_LOPROC = 13, - STT_HIPROC = 15 + STT_HIPROC = 15, + + // The section type that must be used for register symbols on + // Sparc. These symbols initialize a global register. + STT_SPARC_REGISTER = 13, }; inline STB @@ -644,6 +667,11 @@ enum DT DT_VERSYM = 0x6ffffff0, + // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB + // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER + // symbol in the symbol table. + DT_SPARC_REGISTER = 0x70000001, + DT_AUXILIARY = 0x7ffffffd, DT_USED = 0x7ffffffe, DT_FILTER = 0x7fffffff diff --git a/elfcpp/sparc.h b/elfcpp/sparc.h new file mode 100644 index 0000000..b403d58 --- /dev/null +++ b/elfcpp/sparc.h @@ -0,0 +1,153 @@ +// sparc.h -- ELF definitions specific to EM_SPARC -*- C++ -*- + +// Copyright 2008, Free Software Foundation, Inc. +// Written by David S. Miller <davem@davemloft.net>. + +// This file is part of elfcpp. + +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public License +// as published by the Free Software Foundation; either version 2, or +// (at your option) any later version. + +// In addition to the permissions in the GNU Library General Public +// License, the Free Software Foundation gives you unlimited +// permission to link the compiled version of this file into +// combinations with other programs, and to distribute those +// combinations without any restriction coming from the use of this +// file. (The Library Public License restrictions do apply in other +// respects; for example, they cover modification of the file, and +/// distribution when not linked into a combined executable.) + +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. + +// You should have received a copy of the GNU Library General Public +// License along with this program; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA +// 02110-1301, USA. + +#ifndef ELFCPP_SPARC_H +#define ELFCPP_SPARC_H + +// Documentation for the TLS relocs is taken from +// http://people.redhat.com/drepper/tls.pdf +// +// More full documentation on sparc specific ELF file +// format details can be found at +// +// http://docs.sun.com/app/docs/doc/819/0690/ +// "Linker and Libraries Guide" +// +// specifically Chapter 7 "Object File Format" and +// Chapter 8 "Thread-Local Storage" + +namespace elfcpp +{ + +enum +{ + R_SPARC_NONE = 0, // No reloc + R_SPARC_8 = 1, // Direct 8 bit + R_SPARC_16 = 2, // Direct 16 bit + R_SPARC_32 = 3, // Direct 32 bit + R_SPARC_DISP8 = 4, // PC relative 8 bit + R_SPARC_DISP16 = 5, // PC relative 16 bit + R_SPARC_DISP32 = 6, // PC relative 32 bit + R_SPARC_WDISP30 = 7, // PC relative 30 bit shifted + R_SPARC_WDISP22 = 8, // PC relative 22 bit shifted + R_SPARC_HI22 = 9, // High 22 bit + R_SPARC_22 = 10, // Direct 22 bit + R_SPARC_13 = 11, // Direct 13 bit + R_SPARC_LO10 = 12, // Truncated 10 bit + R_SPARC_GOT10 = 13, // Truncated 10 bit GOT entry + R_SPARC_GOT13 = 14, // 13 bit GOT entry + R_SPARC_GOT22 = 15, // 22 bit GOT entry shifted + R_SPARC_PC10 = 16, // PC relative 10 bit truncated + R_SPARC_PC22 = 17, // PC relative 22 bit shifted + R_SPARC_WPLT30 = 18, // 30 bit PC relative PLT address + R_SPARC_COPY = 19, // Copy symbol at runtime + R_SPARC_GLOB_DAT = 20, // Create GOT entry + R_SPARC_JMP_SLOT = 21, // Create PLT entry + R_SPARC_RELATIVE = 22, // Adjust by program base + R_SPARC_UA32 = 23, // Direct 32 bit unaligned + R_SPARC_PLT32 = 24, // Direct 32 bit ref to PLT entry + R_SPARC_HIPLT22 = 25, // High 22 bit PLT entry + R_SPARC_LOPLT10 = 26, // Truncated 10 bit PLT entry + R_SPARC_PCPLT32 = 27, // PC rel 32 bit ref to PLT entry + R_SPARC_PCPLT22 = 28, // PC rel high 22 bit PLT entry + R_SPARC_PCPLT10 = 29, // PC rel trunc 10 bit PLT entry + R_SPARC_10 = 30, // Direct 10 bit + R_SPARC_11 = 31, // Direct 11 bit + R_SPARC_64 = 32, // Direct 64 bit + R_SPARC_OLO10 = 33, // 10bit with secondary 13bit addend + R_SPARC_HH22 = 34, // Top 22 bits of direct 64 bit + R_SPARC_HM10 = 35, // High middle 10 bits of ... + R_SPARC_LM22 = 36, // Low middle 22 bits of ... + R_SPARC_PC_HH22 = 37, // Top 22 bits of pc rel 64 bit + R_SPARC_PC_HM10 = 38, // High middle 10 bit of ... + R_SPARC_PC_LM22 = 39, // Low miggle 22 bits of ... + R_SPARC_WDISP16 = 40, // PC relative 16 bit shifted + R_SPARC_WDISP19 = 41, // PC relative 19 bit shifted + R_SPARC_GLOB_JMP = 42, // was part of v9 ABI but was removed + R_SPARC_7 = 43, // Direct 7 bit + R_SPARC_5 = 44, // Direct 5 bit + R_SPARC_6 = 45, // Direct 6 bit + R_SPARC_DISP64 = 46, // PC relative 64 bit + R_SPARC_PLT64 = 47, // Direct 64 bit ref to PLT entry + R_SPARC_HIX22 = 48, // High 22 bit complemented + R_SPARC_LOX10 = 49, // Truncated 11 bit complemented + R_SPARC_H44 = 50, // Direct high 12 of 44 bit + R_SPARC_M44 = 51, // Direct mid 22 of 44 bit + R_SPARC_L44 = 52, // Direct low 10 of 44 bit + R_SPARC_REGISTER = 53, // Global register usage + R_SPARC_UA64 = 54, // Direct 64 bit unaligned + R_SPARC_UA16 = 55, // Direct 16 bit unaligned + R_SPARC_TLS_GD_HI22 = 56, // Initial General Dynamic reloc, high 22-bit + R_SPARC_TLS_GD_LO10 = 57, // Initial General Dynamic reloc, low 10-bit + R_SPARC_TLS_GD_ADD = 58, // Initial General Dynamic reloc, add + R_SPARC_TLS_GD_CALL = 59, // Initial General Dynamic reloc, call + R_SPARC_TLS_LDM_HI22 = 60, // Initial Local Dynamic reloc, high 22-bit + R_SPARC_TLS_LDM_LO10 = 61, // Initial Local Dynamic reloc, low 10-bit + R_SPARC_TLS_LDM_ADD = 62, // Initial Local Dynamic reloc, add + R_SPARC_TLS_LDM_CALL = 63, // Initial Local Dynamic reloc, call + R_SPARC_TLS_LDO_HIX22 = 64, // Initial Local Dynamic, high extended 22-bit + R_SPARC_TLS_LDO_LOX10 = 65, // Initial Local Dynamic, low extended 10-bit + R_SPARC_TLS_LDO_ADD = 66, // Initial Local Dynamic, add extended + R_SPARC_TLS_IE_HI22 = 67, // Initial Initial Exec reloc, high 22-bit + R_SPARC_TLS_IE_LO10 = 68, // Initial Initial Exec reloc, low 10-bit + R_SPARC_TLS_IE_LD = 69, // Initial Initial Exec reloc, load 32-bit + R_SPARC_TLS_IE_LDX = 70, // Initial Initial Exec reloc, load 64-bit + R_SPARC_TLS_IE_ADD = 71, // Initial Initial Exec reloc, add + R_SPARC_TLS_LE_HIX22 = 72, // Initial Local Exec reloc, high extended 22-bit + R_SPARC_TLS_LE_LOX10 = 73, // Initial Local Exec reloc, low extended 10-bit + R_SPARC_TLS_DTPMOD32 = 74, // Outstanding General/Local Dynamic reloc, 32-bit + R_SPARC_TLS_DTPMOD64 = 75, // Outstanding General/Local Dynamic reloc, 64-bit + R_SPARC_TLS_DTPOFF32 = 76, // Outstanding General Dynamic reloc, 32-bit + R_SPARC_TLS_DTPOFF64 = 77, // Outstanding General Dynamic reloc, 64-bit + R_SPARC_TLS_TPOFF32 = 78, // Outstanding Initial Exec reloc, 32-bit + R_SPARC_TLS_TPOFF64 = 79, // Outstanding Initial Exec reloc, 64-bit + + // GOT data code transformations + R_SPARC_GOTDATA_HIX22 = 80, + R_SPARC_GOTDATA_LOX10 = 81, + R_SPARC_GOTDATA_OP_HIX22 = 82, + R_SPARC_GOTDATA_OP_LOX10 = 83, + R_SPARC_GOTDATA_OP = 84, + + R_SPARC_H34 = 85, // Direct high 12 of 34 bit + R_SPARC_SIZE32 = 86, // size of symbol, 32-bit + R_SPARC_SIZE64 = 87, // size of symbol, 64-bit + + // GNU vtable garbage collection extensions. + R_SPARC_GNU_VTINHERIT = 250, + R_SPARC_GNU_VTENTRY = 251, + + R_SPARC_REV32 = 252, +}; + +} // End namespace elfcpp. + +#endif // !defined(ELFCPP_SPARC_H) |