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Remove frameptr-based unwinder.

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The frameptr-based unwinder was an interim solution while issues with
libunwind were resolved. It's better if we remove it,
so we don't have to support it moving forward.
This commit is contained in:
Tony Printezis
2026-07-10 05:03:48 -07:00
committed by Guangli Dai
parent afeda129b0
commit c597d73778
14 changed files with 2 additions and 345 deletions
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7
INSTALL.md
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@@ -139,7 +139,6 @@ any of the following arguments (not a definitive list) to 'configure':
in the following list that appears to function correctly:
+ libunwind (requires --enable-prof-libunwind)
+ frame pointer (requires --enable-prof-frameptr)
+ libgcc (unless --disable-prof-libgcc)
+ gcc intrinsics (unless --disable-prof-gcc)
@@ -148,12 +147,6 @@ any of the following arguments (not a definitive list) to 'configure':
Use the libunwind library (http://www.nongnu.org/libunwind/) for stack
backtracing.
* `--enable-prof-frameptr`
Use the optimized frame pointer unwinder for stack backtracing. Safe
to use in mixed code (with and without frame pointers) - but requires
frame pointers to produce meaningful stacks. Linux only.
* `--disable-prof-libgcc`
Disable the use of libgcc's backtracing functionality.