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cmd/internal/obj/mips: add support for GOARCH=mips{,le}

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Implements subset of MIPS32(r1) instruction set.

Change-Id: Iba017350f6c2763de05d4d1bc2f123e8eb76d0ff
Reviewed-on: https://go-review.googlesource.com/31475
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Vladimir Stefanovic 2016-10-18 23:50:37 +02:00 • committed by Brad Fitzpatrick
parent c41137d242
commit 5d28bc58b6
8 changed files with 553 additions and 321 deletions
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6
src/cmd/internal/obj/link.go
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@ -311,7 +311,7 @@ const (
ABaseAMD64
ABasePPC64
ABaseARM64
ABaseMIPS64
ABaseMIPS
ABaseS390X
AllowedOpCodes = 1 << 10 // The number of opcodes available for any given architecture.
@ -532,7 +532,7 @@ const (
// R_ADDRARM64 relocates an adrp, add pair to compute the address of the
// referenced symbol.
R_ADDRARM64
// R_ADDRMIPS (only used on mips64) resolves to the low 16 bits of an external
// R_ADDRMIPS (only used on mips/mips64) resolves to the low 16 bits of an external
// address, by encoding it into the instruction.
R_ADDRMIPS
// R_ADDROFF resolves to a 32-bit offset from the beginning of the section
@ -660,7 +660,7 @@ const (
// TODO(mundaym): remove once variants can be serialized - see issue 14218.
R_PCRELDBL
// R_ADDRMIPSU (only used on mips64) resolves to the sign-adjusted "upper" 16
// R_ADDRMIPSU (only used on mips/mips64) resolves to the sign-adjusted "upper" 16
// bits (bit 16-31) of an external address, by encoding it into the instruction.
R_ADDRMIPSU
// R_ADDRMIPSTLS (only used on mips64) resolves to the low 16 bits of a TLS