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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-10-06 07:29:05 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2023-10-12 17:04:38 +0200 |
| commit | fbc5496e40eeb6d0d2ae2a3bf90182e2a9cd74f0 (patch) | |
| tree | 87e3ed1e7d71439325322911f61343be5099b4d3 /newlib/libc | |
| parent | 696c282cf32b478b4e11bd8af23663aa99156cb3 (diff) | |
| download | newlib-fbc5496e40eeb6d0d2ae2a3bf90182e2a9cd74f0.zip newlib-fbc5496e40eeb6d0d2ae2a3bf90182e2a9cd74f0.tar.gz newlib-fbc5496e40eeb6d0d2ae2a3bf90182e2a9cd74f0.tar.bz2 | |
sparc: Improve setjmp()
Flush the windows in setjmp(). This helps if the stack is changed after
the setjmp() and we want to jump back to the original stack using
longjmp().
Diffstat (limited to 'newlib/libc')
| -rw-r--r-- | newlib/libc/machine/sparc/setjmp.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/newlib/libc/machine/sparc/setjmp.S b/newlib/libc/machine/sparc/setjmp.S index 613df2b..d7185be 100644 --- a/newlib/libc/machine/sparc/setjmp.S +++ b/newlib/libc/machine/sparc/setjmp.S @@ -110,6 +110,8 @@ ENTRY(setjmp) ENTRY(_setjmp) + ta 0x03 /* Flush registers, just in case another stack + is used after the setjmp(). */ st %sp, [%o0] /* caller's stack pointer */ st %i7, [%o0+4] /* caller's return pc */ st %fp, [%o0+8] /* store caller's frame pointer */ |