IA-64 ELF support.

2 files changed, 172 insertions, 0 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 3528516..b08dbdf 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,8 @@
+Fri Apr 21 13:20:53 2000  Richard Henderson  <rth@cygnus.com>
+			  David Mosberger  <davidm@hpl.hp.com>
+
+	* ia64.h: New file.
+
 2000-04-14  H.J. Lu  <hjl@gnu.org>
 
 	* common.h (ELFOSABI_TRUE64): Renamed to ELFOSABI_TRU64.
diff --git a/include/elf/ia64.h b/include/elf/ia64.h
new file mode 100644
index 0000000..7067b9c
--- /dev/null
+++ b/include/elf/ia64.h
@@ -0,0 +1,167 @@
+/* IA-64 ELF support for BFD.
+   Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+This file is part of BFD, the Binary File Descriptor library.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+#ifndef _ELF_IA64_H
+#define _ELF_IA64_H
+
+/* Bits in the e_flags field of the Elf64_Ehdr:  */
+
+#define EF_IA_64_MASKOS	 0x0000000f	/* os-specific flags */
+#define EF_IA_64_ABI64	 (1 << 4)	/* 64-bit ABI */
+#define EF_IA_64_ARCH	 0xff000000	/* arch. version mask */
+
+/* ??? These four definitions are not part of the SVR4 ABI.
+   They were present in David's initial code drop, so it is probable
+   that they are used by HP/UX.  */
+#define EF_IA_64_TRAPNIL (1 << 0)	/* trap NIL pointer dereferences */
+#define EF_IA_64_EXT	 (1 << 2)	/* program uses arch. extensions */
+#define EF_IA_64_BE	 (1 << 3)	/* PSR BE bit set (big-endian) */
+#define EFA_IA_64_EAS2_3 0x23000000	/* ia64 EAS 2.3 */
+
+#define ELF_STRING_ia64_archext		".IA_64.archext"
+#define ELF_STRING_ia64_pltoff		".IA_64.pltoff"
+#define ELF_STRING_ia64_unwind		".IA_64.unwind"
+#define ELF_STRING_ia64_unwind_info	".IA_64.unwind_info"
+
+/* Bits in the sh_flags field of Elf64_Shdr:  */
+
+#define SHF_IA_64_SHORT		0x10000000	/* section near gp */
+#define SHF_IA_64_NORECOV	0x20000000	/* spec insns w/o recovery */
+
+/* Possible values for sh_type in Elf64_Shdr: */
+
+#define SHT_IA_64_EXT		(SHT_LOPROC + 0)	/* extension bits */
+#define SHT_IA_64_UNWIND	(SHT_LOPROC + 1)	/* unwind bits */
+
+/* Bits in the p_flags field of Elf64_Phdr:  */
+
+#define PF_IA_64_NORECOV	0x80000000
+
+/* Possible values for p_type in Elf64_Phdr:  */
+
+#define PT_IA_64_ARCHEXT	(PT_LOPROC + 0)	/* arch extension bits */
+#define PT_IA_64_UNWIND 	(PT_LOPROC + 1)	/* ia64 unwind bits */
+
+/* Possible values for d_tag in Elf64_Dyn:  */
+
+#define DT_IA_64_PLT_RESERVE	(DT_LOPROC + 0)
+
+/* ia64-specific relocation types: */
+
+/* Relocs apply to specific instructions within a bundle.  The least
+   significant 2 bits of the address indicate which instruction in the
+   bundle the reloc refers to (0=first slot, 1=second slow, 2=third
+   slot, 3=undefined) and the remaining bits give the address of the
+   bundle (16 byte aligned).
+
+   The top 5 bits of the reloc code specifies the expression type, the
+   low 3 bits the format of the data word being relocated.
+
+   ??? Relocations below marked ## are not part of the SVR4 processor
+   suppliment.  They were present in David's initial code drop, so it
+   is possible that they are used by HP/UX.  */
+
+#include "elf/reloc-macros.h"
+
+START_RELOC_NUMBERS (elf_ia64_reloc_type)
+  RELOC_NUMBER (R_IA64_NONE, 0x00)	/* none */
+
+  RELOC_NUMBER (R_IA64_IMM14, 0x21)	/* symbol + addend, add imm14 */
+  RELOC_NUMBER (R_IA64_IMM22, 0x22)	/* symbol + addend, add imm22 */
+  RELOC_NUMBER (R_IA64_IMM64, 0x23)	/* symbol + addend, mov imm64 */
+  RELOC_NUMBER (R_IA64_DIR32MSB, 0x24)	/* symbol + addend, data4 MSB */
+  RELOC_NUMBER (R_IA64_DIR32LSB, 0x25)	/* symbol + addend, data4 LSB */
+  RELOC_NUMBER (R_IA64_DIR64MSB, 0x26)	/* symbol + addend, data8 MSB */
+  RELOC_NUMBER (R_IA64_DIR64LSB, 0x27)	/* symbol + addend, data8 LSB */
+
+  RELOC_NUMBER (R_IA64_GPREL22, 0x2a)	/* @gprel(sym + add), add imm22 */
+  RELOC_NUMBER (R_IA64_GPREL64I, 0x2b)	/* @gprel(sym + add), mov imm64 */
+  RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym + add), data4 MSB ## */
+  RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym + add), data4 LSB ## */
+  RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_LTOFF22, 0x32)	/* @ltoff(sym + add), add imm22 */
+  RELOC_NUMBER (R_IA64_LTOFF64I, 0x33)	/* @ltoff(sym + add), mov imm64 */
+
+  RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a)	/* @pltoff(sym + add), add imm22 */
+  RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b)	/* @pltoff(sym + add), mov imm64 */
+  RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_FPTR64I, 0x43)	/* @fptr(sym + add), mov imm64 */
+  RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44)	/* @fptr(sym + add), data4 MSB */
+  RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45)	/* @fptr(sym + add), data4 LSB */
+  RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46)	/* @fptr(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47)	/* @fptr(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_PCREL21B, 0x49)	/* @pcrel(sym + add), ptb, call */
+  RELOC_NUMBER (R_IA64_PCREL21M, 0x4a)	/* @pcrel(sym + add), chk.s */
+  RELOC_NUMBER (R_IA64_PCREL21F, 0x4b)	/* @pcrel(sym + add), fchkf */
+  RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym + add), data4 MSB */
+  RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym + add), data4 LSB */
+  RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
+  RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
+  RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB ##*/
+  RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB ##*/
+
+  RELOC_NUMBER (R_IA64_SEGBASE, 0x58)	/* set segment base for @segrel ## */
+  RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym + add), data4 MSB */
+  RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym + add), data4 LSB */
+  RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym + add), data4 MSB */
+  RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym + add), data4 LSB */
+  RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym + add), data8 MSB */
+  RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym + add), data8 LSB */
+
+  RELOC_NUMBER (R_IA64_REL32MSB, 0x6c)	/* data 4 + REL */
+  RELOC_NUMBER (R_IA64_REL32LSB, 0x6d)	/* data 4 + REL */
+  RELOC_NUMBER (R_IA64_REL64MSB, 0x6e)	/* data 8 + REL */
+  RELOC_NUMBER (R_IA64_REL64LSB, 0x6f)	/* data 8 + REL */
+
+  RELOC_NUMBER (R_IA64_LTV32MSB, 0x70)	/* symbol + addend, data4 MSB */
+  RELOC_NUMBER (R_IA64_LTV32LSB, 0x71)	/* symbol + addend, data4 LSB */
+  RELOC_NUMBER (R_IA64_LTV64MSB, 0x72)	/* symbol + addend, data8 MSB */
+  RELOC_NUMBER (R_IA64_LTV64LSB, 0x73)	/* symbol + addend, data8 LSB */
+
+  RELOC_NUMBER (R_IA64_IPLTMSB, 0x80)	/* dynamic reloc, imported PLT, MSB */
+  RELOC_NUMBER (R_IA64_IPLTLSB, 0x81)	/* dynamic reloc, imported PLT, LSB */
+  RELOC_NUMBER (R_IA64_EPLTMSB, 0x82)	/* dynamic reloc, exported PLT, ## */
+  RELOC_NUMBER (R_IA64_EPLTLSB, 0x83)	/* dynamic reloc, exported PLT, ## */
+  RELOC_NUMBER (R_IA64_COPY, 0x84)	/* dynamic reloc, data copy ## */
+  RELOC_NUMBER (R_IA64_LTOFF22X, 0x86)  /* LTOFF22, relaxable.  */
+  RELOC_NUMBER (R_IA64_LDXMOV, 0x87)	/* Use of LTOFF22X.  */
+
+  RELOC_NUMBER (R_IA64_TPREL22, 0x92)	 /* sym-TP+add, add imm22 ## */
+  RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* sym-TP+add, data8 MSB ## */
+  RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* sym-TP+add, data8 LSB ## */
+
+  RELOC_NUMBER (R_IA64_LTOFF_TP22, 0x9a) /* @ltoff(sym-TP+add), add imm22 ## */
+
+  FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0x9a)
+END_RELOC_NUMBERS
+
+#endif /* _ELF_IA64_H */