/* CRIS ELF support for BFD.
- Copyright 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 2000-2021 Free Software Foundation, Inc.
Contributed by Axis Communications AB, Lund, Sweden.
Written by Hans-Peter Nilsson.
-This file is part of BFD, the Binary File Descriptor library.
+ 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 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 3 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.
+ 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. */
+ 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _ELF_CRIS_H
#define _ELF_CRIS_H
The BFD equivalent is BFD_RELOC_CRIS_32_PLT_PCREL. */
RELOC_NUMBER (R_CRIS_32_PLT_PCREL, 19)
+ /* An assembler-generated-only relocation, instructing the linker to
+ reserve two GOT slots, carrying the R_CRIS_DTP relocation for the
+ symbol (pointing to the first slot, the relocation fills in
+ both). The value is a 32-bit-value, relative to the start of the
+ GOT. Assembly syntax: "sym:GDGOTREL". */
+ RELOC_NUMBER (R_CRIS_32_GOT_GD, 20)
+
+ /* Similar to R_CRIS_32_GOT_GD, but the value is a 16-bit unsigned
+ number, limiting access to 65536/4 global symbols per module (or
+ 65536/8 thread variables; loosely speaking G*4+T*8 < 65536, where
+ T is the number of thread variables and G is the number of other
+ external global variables and functions). Assembly syntax:
+ "sym:GDGOTREL16". */
+ RELOC_NUMBER (R_CRIS_16_GOT_GD, 21)
+
+ /* Similar to R_CRIS_32_GOT_GD, but the value is the absolute
+ address of the GOT entry. Disallowed in DSOs created with
+ -shared. Assembly syntax: "sym:GD". */
+ RELOC_NUMBER (R_CRIS_32_GD, 22)
+
+ /* A linker-generated-only relocation, instructing the dynamic
+ linker to fill in the module ID and module-relative-TLS-block
+ offset of the symbol in question, used for GOT entries. Note
+ that this relocation instructs to fill in two 32-bit values. */
+ RELOC_NUMBER (R_CRIS_DTP, 23)
+
+ /* An assembler-generated-only relocation, instructing the linker to
+ reserve the first two GOT slots, and attach the R_CRIS_DTPMOD
+ relocation(*) for the module to the first slot, the second
+ containing zero. The value is 32 bits, the offset from the start
+ of the TLS block of the module to the thread-local symbol
+ mentioned in the relocation. This relocation must only be applied
+ to module-local symbols. Assembly syntax: "expr:DTPREL". */
+ RELOC_NUMBER (R_CRIS_32_DTPREL, 24)
+
+ /* Similar to R_CRIS_32_DTPREL, but the value is a 16-bit signed
+ number, limiting the size of thread-variables of the DSO to 32768
+ bytes. (Note: matches both model 1 and 2 and allows use of addo.w
+ as the instruction where this relocation is used.) Assembly
+ syntax: "expr:DTPREL16". */
+ RELOC_NUMBER (R_CRIS_16_DTPREL, 25)
+
+ /* An assembler-generated-only relocation, instructing the linker to
+ reserve a GOT slot and attach the R_CRIS_32_TPREL relocation for
+ the symbol in question. The value is 32 bits, which is the
+ GOT-relative offset of the slot. Assembly syntax:
+ "sym:TPOFFGOT". */
+ RELOC_NUMBER (R_CRIS_32_GOT_TPREL, 26)
+
+ /* Similar to R_CRIS_32_TPREL, but the value is a 16-bit positive
+ number, limiting the number of thread- and global variables of
+ the DSO to 32768/4. Assembly syntax: "sym:TPOFFGOT16". */
+ RELOC_NUMBER (R_CRIS_16_GOT_TPREL, 27)
+
+ /* An assembler- and linker-generated relocation, instructing to
+ resolve the symbol in question yielding the TLS offset of the
+ thread variable, relative to the global TLS block. Not allowed
+ as input when generating a DSO. Assembly syntax:
+ "expr:TPOFF". */
+ RELOC_NUMBER (R_CRIS_32_TPREL, 28)
+
+ /* Similar to R_CRIS_32_TPREL, but only applicable to executables
+ compiled with -msmall-tls. Not allowed in a DSO. The value is a
+ 16-bit signed number, limiting the size of thread-variables of
+ the executable to 32768 bytes. (Note: being signed makes it match
+ both model 1 and 2 and allows use of addo.w as the instruction
+ where this relocation is applied.) Assembly syntax:
+ "expr:TPOFF16". */
+ RELOC_NUMBER (R_CRIS_16_TPREL, 29)
+
+ /* A linker-generated-only relocation, instructing the dynamic
+ linker to fill in the current module ID, used for GOT entries
+ (usually the fourth one). */
+ RELOC_NUMBER (R_CRIS_DTPMOD, 30)
+
+ /* Similar to R_CRIS_32_GOT_TPREL, but the value is the absolute
+ address of the GOT entry. Disallowed in DSOs created with
+ -shared. Assembly syntax: "sym:IE". */
+ RELOC_NUMBER (R_CRIS_32_IE, 31)
+
/* No other relocs must be visible outside the assembler. */
END_RELOC_NUMBERS (R_CRIS_max)
/* User symbols in this file have a leading underscore. */
#define EF_CRIS_UNDERSCORE 0x00000001
+/* This is a mask for different incompatible machine variants. */
+#define EF_CRIS_VARIANT_MASK 0x0000000e
+
+/* Variant 0; may contain v0..10 object. */
+#define EF_CRIS_VARIANT_ANY_V0_V10 0x00000000
+
+/* Variant 1; contains v32 object. */
+#define EF_CRIS_VARIANT_V32 0x00000002
+
+/* Variant 2; contains object compatible with v32 and v10. */
+#define EF_CRIS_VARIANT_COMMON_V10_V32 0x00000004
+
#endif /* _ELF_CRIS_H */
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