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3 Commits

Author SHA1 Message Date
Brad Fitzpatrick
7be61e1b0e cmd/splitdwarf: fix skip on Windows
Unify the two files rather than have to maintain two copies of the
+build line.

Fixes golang/go#32212

Change-Id: I1f9ee4956183aa6248a5a2e83b5760d02532bacb
Reviewed-on: https://go-review.googlesource.com/c/tools/+/178699
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2019-05-25 14:57:41 +00:00
David Chase
d30e00c240 splitdwarf: initial working commit
splitdwarf osxMachoFile [ osxDsymFile ]

splitdwarf takes an executable produced by go build as input,
and uncompresses and copies the DWARF segment into a separate
file in the way that is expected by OSX-hosted tools
(lldb and ports of gdb).
If osxDsymFile is not named explicitly, the default of
"<osxMachoFile>.dSYM/Contents/Resources/DWARF/<osxMachoFile>"
is used instead, with directories created as needed.

If the input file contains no UUID, then one is created by
hashing non-DWARF segment contents, and added to the
executable. This is necessary because gdb and lldb both
expect matching UUIDs to be present in the executable
and its debugging symbols.

Includes a modified version of debug/macho, with additional
definitions and the ability to write segments, sections, and
some MachO load commands added.

Change-Id: Ia5b0e289260f72bbca392cdf2c7c0a75e3ca40e5
Reviewed-on: https://go-review.googlesource.com/c/143357
Reviewed-by: Austin Clements <austin@google.com>
2019-01-09 16:56:30 +00:00
David Chase
d674b4ad67 cmd/splitdwarf: copy debug/macho
The splitdwarf command will need a modified version of debug/macho.
This is a verbatim copy from std as of Go 1.11, which we'll modify in
the next CL.

Change-Id: Ia9ded870d1ba91dad21f9f6dc5bb38f9f6cc0e80
Reviewed-on: https://go-review.googlesource.com/c/152240
Run-TryBot: David Chase <drchase@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
Reviewed-by: David Chase <drchase@google.com>
2019-01-09 16:55:59 +00:00