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| author | Florian Weimer <fweimer@redhat.com> | 2020-11-09 11:31:04 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2020-11-10 15:28:14 +0100 |
| commit | c6e794640c324db37038c6a8606f3f5f8903250b (patch) | |
| tree | 5f0d9c9e34331f0fe5085f15266bc1a33debb908 | |
| parent | 70ee5e8b573f76745760dd6b75f705590fc1923a (diff) | |
| download | glibc-c6e794640c324db37038c6a8606f3f5f8903250b.tar.gz glibc-c6e794640c324db37038c6a8606f3f5f8903250b.tar.xz glibc-c6e794640c324db37038c6a8606f3f5f8903250b.zip | |
aarch64: Add unwind information to _start (bug 26853)
This adds CFI directives which communicate that the stack ends with this function. Fixes bug 26853. (cherry picked from commit 5edf3d9fd6efe06fda37b2a460e60690a90457a4)
| -rw-r--r-- | NEWS | 1 | ||||
| -rw-r--r-- | sysdeps/aarch64/start.S | 7 |
2 files changed, 4 insertions, 4 deletions
diff --git a/NEWS b/NEWS index 3030735839..d2a484462b 100644 --- a/NEWS +++ b/NEWS @@ -15,6 +15,7 @@ The following bugs are resolved with this release: [26637] libc: semctl SEM_STAT_ANY fails to pass the buffer specified by the caller to the kernel [26639] libc: msgctl IPC_INFO and MSG_INFO return garbage + [26853] aarch64: Missing unwind information in statically linked startup code Version 2.32 diff --git a/sysdeps/aarch64/start.S b/sysdeps/aarch64/start.S index 75393e1c18..108f602721 100644 --- a/sysdeps/aarch64/start.S +++ b/sysdeps/aarch64/start.S @@ -43,11 +43,9 @@ */ .text - .globl _start - .type _start,#function -_start: - BTI_C +ENTRY(_start) /* Create an initial frame with 0 LR and FP */ + cfi_undefined (x30) mov x29, #0 mov x30, #0 @@ -103,6 +101,7 @@ _start: __wrap_main: b main #endif +END(_start) /* Define a symbol for the first piece of initialized data. */ .data |