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cmd/internal/obj, cmd/link, runtime: native-ish support for tls on arm64

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Fixes #10560

Change-Id: Iedffd9c236c4fbb386c3afc52c5a1457f96ef122
Reviewed-on: https://go-review.googlesource.com/13991
Reviewed-by: David Crawshaw <crawshaw@golang.org>
This commit is contained in:
Michael Hudson-Doyle 2015-08-11 14:10:03 +12:00
parent 492a62e945
commit 72180c3b82
8 changed files with 342 additions and 291 deletions
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14
src/cmd/internal/obj/link.go
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@ -432,6 +432,20 @@ const (
R_USEFIELD
R_POWER_TOC
R_GOTPCREL
// Platform dependent relocations. Architectures with fixed width instructions
// have the inherent issue that a 32-bit (or 64-bit!) displacement cannot be
// stuffed into a 32-bit instruction, so an address needs to be spread across
// several instructions, and in turn this requires a sequence of relocations, each
// updating a part of an instruction. This leads to relocation codes that are
// inherently processor specific.
// Arm64.
// Set a MOV[NZ] immediate field to bits [15:0] of the offset from the thread
// local base to the thread local variable defined by the referenced (thread
// local) symbol. Error if the offset does not fit into 16 bits.
R_ARM64_TLS_LE
)
type Auto struct {