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Add safe frame-pointer backtrace unwinder

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Nathan Slingerland 2024-09-16 11:00:37 -07:00 • committed by Qi Wang
parent 3a0d9cdadb
commit edc1576f03
13 changed files with 271 additions and 1 deletions
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7
INSTALL.md
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@ -139,6 +139,7 @@ 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)
@ -147,6 +148,12 @@ 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.