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2014-07-02 Jing Yu <jingyu@google.com>

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Initial patch to enable gold aarch64 backend.

    This patch is just a skeleton which almost does nothing.
    It does not support ILP32 now.

    gold/ChangeLog:
	* aarch64.cc: New file
	* Makefile.am (TARGETSOURCES): Add aarch64.cc
	(ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
	* Makefile.in: Regenerate.
	* configure.tgt: Add entries for aarch64*.
	* configure.ac:  Likewise.
	* configure: Likewise.

    elfcpp/ChangeLog:
	* aarch64.h: New file. New enums for aarch64-elf64 relocations.
	* elfcpp.h (EM_AARCH64, SHT_AARCH64_ATTRIBUTES, PT_AARCH64_ARCHEXT,
	PT_AARCH64_UNWIND): New enum constant.
This commit is contained in:
Jing Yu 2014-07-02 16:21:23 -07:00 • committed by Cary Coutant
parent 2b239efbec
commit 053a4d680b
10 changed files with 1685 additions and 5 deletions
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10
elfcpp/elfcpp.h
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@ -268,6 +268,7 @@ enum EM
EM_UNICORE = 110,
EM_ALTERA_NIOS2 = 113,
EM_CRX = 114,
EM_AARCH64 = 183,
EM_TILEGX = 191,
// The Morph MT.
EM_MT = 0x2530,
@ -406,6 +407,9 @@ enum SHT
// Section contains miscellaneous options.
SHT_MIPS_OPTIONS = 0x7000000d,
// AARCH64-specific section type.
SHT_AARCH64_ATTRIBUTES = 0x70000003,
// Link editor is to sort the entries in this section based on the
// address specified in the associated symbol table entry.
SHT_ORDERED = 0x7fffffff
@ -490,7 +494,11 @@ enum PT
// Runtime procedure table.
PT_MIPS_RTPROC = 0x70000001,
// .MIPS.options section.
PT_MIPS_OPTIONS = 0x70000002
PT_MIPS_OPTIONS = 0x70000002,
// Platform architecture compatibility information
PT_AARCH64_ARCHEXT = 0x70000000,
// Exception unwind tables
PT_AARCH64_UNWIND = 0x70000001
};
// The valid bit flags found in the Phdr p_flags field.