Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4a0ec7daa9e9eb684bd61be24d35962f1263fd35
https://github.com/WebKit/WebKit/commit/4a0ec7daa9e9eb684bd61be24d35962f1263fd35
Author: Joseph Griego <jgri...@igalia.com>
Date: 2023-10-18 (Wed, 18 Oct 2023)
Changed paths:
M Source/JavaScriptCore/assembler/ARMv7Assembler.h
M Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h
M Source/JavaScriptCore/llint/LowLevelInterpreter.asm
M Source/JavaScriptCore/offlineasm/arm.rb
Log Message:
-----------
[JSC][armv7] Use udf for break/breakpoint in offlineasm/masm
https://bugs.webkit.org/show_bug.cgi?id=263322
Reviewed by Yusuke Suzuki.
`bkpt` behaves very badly under gdb on armv7; it hangs [1] rather than traps.
To workaround, use `udf #0` instead; the encodings and semantics are very
similar.
[1] https://sourceware.org/bugzilla/show_bug.cgi?id=22645
* Source/JavaScriptCore/assembler/ARMv7Assembler.h:
(JSC::ARMv7Assembler::udf):
* Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:
(JSC::MacroAssemblerARMv7::breakpoint):
* Source/JavaScriptCore/offlineasm/arm.rb:
Canonical link: https://commits.webkit.org/269481@main
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