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Russ Cox a1e9148e3d runtime: print hex numbers with hex prefixes in traceback debug
If traceback fails, it prints a helpful hex dump of the stack.
But the hex numbers have no 0x prefix, which might make it
a little unclear that they are hex.
We only print two per line, so there is plenty of room for the 0x.
Print it, which lets us delete a custom hex formatter.

Also, in the translated <name+off> hints, print off in hex
(with a 0x prefix). The offsets were previously decimal, which
could have been confused for hex since none of the hex had
0x prefixes. And decimal is kind of useless anyway since the
offsets shown in the main traceback are hex, so you can't
easily match them up without mental base conversions.

Just print hex everywhere, clearly marked by 0x.

This CL is part of a stack adding windows/arm64
support (#36439), intended to land in the Go 1.17 cycle.
This CL is, however, not windows/arm64-specific.
It is cleanup meant to make the port (and future ports) easier.

Change-Id: I72d26a4e41ada38b620bf8fe3576d787a2e59b47
Reviewed-on: https://go-review.googlesource.com/c/go/+/288809
Trust: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
2021-02-19 00:03:44 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api api/go1.16: add go/build/constraint APIs 2021-01-27 21:11:22 +00:00
doc doc/go1.16: remove draft notice 2021-02-16 16:26:11 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc runtime: unify asmcgocall and systemstack traceback setup 2021-02-19 00:02:06 +00:00
src runtime: print hex numbers with hex prefixes in traceback debug 2021-02-19 00:03:44 +00:00
test [dev.regabi] test: run abi/regabipragma test with -c=1 2021-02-16 21:51:58 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: update for the Go 1.16 release 2021-02-11 18:04:49 +00:00
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