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Elias Naur bcdbd58ce4 cmd/link/internal/ld: skip DWARF combining for iOS binaries
The macOS and iOS external linker strips DWARF information from
binaries because it assumes the information will go into separate
DWARF information .dSYM files. To preserve the embedded debugging
information, the Go linker re-combines the separate DWARF
information into the unmapped __DWARF segment of the final
executable.

However, the iOS dyld linker does not allow unmapped segments, so
use the presence of the LC_VERSION_MIN_IPHONEOS linker command to
skip DWARF combining. Note that we can't use GOARCH for detection
since the iOS emulator runs on  GOARCH=386 and GOARCH=amd64 and we
will run into https://golang.org/issues/25148.

Updates #25148.

Change-Id: I29a1bc468fdee74ab3b27c46931501a0a8120c66
Reviewed-on: https://go-review.googlesource.com/111275
Run-TryBot: Elias Naur <elias.naur@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2018-05-04 15:39:02 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api syscall: introduce Pointer type and use it instead of uintptr 2018-04-18 08:50:42 +00:00
doc doc: document Go 1.10.2 2018-04-30 18:01:00 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc misc/ios: improve detection of missing developer image 2018-05-04 05:47:22 +00:00
src cmd/link/internal/ld: skip DWARF combining for iOS binaries 2018-05-04 15:39:02 +00:00
test cmd/compile: refactor memclrrange for arrays and slices 2018-05-02 04:20:25 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update email address 2018-04-14 19:28:37 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS C: add Iskander Sharipov's individual CLA mail 2018-04-16 04:49:46 +00:00
LICENSE doc: revert copyright date to 2009 2016-06-01 22:40:04 +00:00
PATENTS
README.md README: update number of contributors 2018-04-03 22:10:32 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

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