Re: [PATCH] sparc: Improve setjmp()
Sebastian Huber <[email protected]>
| Newsgroups | gmane.comp.lib.newlib |
|---|---|
| Message-ID | <[email protected]> |
On 06.10.23 07:31, Sebastian Huber wrote: > 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(). > --- > newlib/libc/machine/sparc/setjmp.S | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/newlib/libc/machine/sparc/setjmp.S b/newlib/libc/machine/sparc/setjmp.S > index 613df2ba2..d7185be4c 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 */ I am not sure if there is anyone left being able to review this change. -- embedded brains GmbH Herr Sebastian HUBER Dornierstr. 4 82178 Puchheim Germany email: [email protected] phone: +49-89-18 94 741 - 16 fax: +49-89-18 94 741 - 08 Registergericht: Amtsgericht München Registernummer: HRB 157899 Vertretungsberechtigte Geschäftsführer: Peter Rasmussen, Thomas Dörfler Unsere Datenschutzerklärung finden Sie hier: https://embedded-brains.de/datenschutzerklaerung/