Unwind glue: Fix dl_unwind_find_exidx implementation #193

occheung · 2022-06-01T19:05:22+08:00

occheung commented

2022-06-01 19:05:22 +08:00

Description

This patch changes the reported length in dl_unwind_find_exidx from the number of 32-bits word in .ARM.exidx section to the number of entires of the same table.

Implementation references
As stated in the comment, the number of entries should be returned to the caller.

Test

Passed artiq.test targeted to a Kasli-SoC.

## Description This patch changes the reported length in `dl_unwind_find_exidx` from the number of 32-bits word in `.ARM.exidx` section to the number of entires of the same table. [Implementation references](https://cs.android.com/android/platform/superproject/+/master:bionic/libc/arch-arm/bionic/exidx_static.c;l=46?q=dl_unwind_find_exidx&ss=android%2Fplatform%2Fsuperproject) As stated in the comment, the number of entries should be returned to the caller. ### Test Passed `artiq.test` targeted to a Kasli-SoC.

occheung added 2 commits 2022-06-01 19:05:22 +08:00

97a63ca8d0 dyld: add EXIDX entry type

The type is just for aesthetic. The interpretation of an index table entry is not our concern.

e3ed41ff32 fix index table reference type

sb10q merged commit e3ed41ff32 into master

2022-06-01 20:53:59 +08:00

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Reference: M-Labs/artiq-zynq#193