Hi Andreas,
Am 23.04.2023 um 08:46 schrieb Andreas Schwab:
On Apr 23 2023, Michael Schmitz wrote:
I'll see whether the signal context is available on the stack even if the
handler isn't passed that parameter.
The signal context is always on the stack, and used by the
(rt_)sigreturn syscall.
On Apr 23 2023, Michael Schmitz wrote:
> I'll see whether the signal context is available on the stack even if the
> handler isn't passed that parameter.
The signal context is always on the stack, and used by the
(rt_)sigreturn syscall.
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerpri
Hi Andreas,
Am 23.04.2023 um 06:38 schrieb Andreas Schwab:
On Apr 23 2023, Michael Schmitz wrote:
Now I wonder who adds sigmask ... and whether that's also ending up on the
user stack.
The kernel only writes the first 64 bits of the signal mask, as it does
for all signal mask related syscall
On Apr 23 2023, Michael Schmitz wrote:
> Now I wonder who adds sigmask ... and whether that's also ending up on the
> user stack.
The kernel only writes the first 64 bits of the signal mask, as it does
for all signal mask related syscalls. The kernel version of the context
ends after that; since
Hi Andreas,
Am 22.04.2023 um 22:12 schrieb Andreas Schwab:
On Apr 22 2023, Michael Schmitz wrote:
This is the definition from the kernel's
include/uapi/asm-generic/ucontext.h:
That's not actually used by m68k, it uses
arch/m68k/include/asm/ucontext.h, which confusingly isn't an uapi
header.
On Apr 22 2023, Michael Schmitz wrote:
> This is the definition from the kernel's
> include/uapi/asm-generic/ucontext.h:
That's not actually used by m68k, it uses
arch/m68k/include/asm/ucontext.h, which confusingly isn't an uapi
header.
> And this is /usr/include/sys/ucontext.h:
>
> /* Userlevel
Hi Finn,
Am 22.04.2023 um 19:54 schrieb Michael Schmitz:
Hi Finn,
Am 21.04.2023 um 21:18 schrieb Michael Schmitz:
Hi Finn,
Am 21.04.2023 um 20:30 schrieb Finn Thain:
On Fri, 21 Apr 2023, Michael Schmitz wrote:
How often did a page fault happen when executing moveml, in other
programs?
On Apr 22 2023, Michael Schmitz wrote:
> Took a little while to figure out that the ucontext format changed in the
> decade or two since my userland's libc headers were generated.
In which way did it change?
--
Andreas Schwab, sch...@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510
Hi Andreas,
Am 22.04.2023 um 20:07 schrieb Andreas Schwab:
On Apr 22 2023, Michael Schmitz wrote:
Took a little while to figure out that the ucontext format changed in the
decade or two since my userland's libc headers were generated.
In which way did it change?
This is the definition from
Hi Finn,
Am 21.04.2023 um 21:18 schrieb Michael Schmitz:
Hi Finn,
Am 21.04.2023 um 20:30 schrieb Finn Thain:
On Fri, 21 Apr 2023, Michael Schmitz wrote:
How often did a page fault happen when executing moveml, in other
programs?
The printk() I placed in bus_error030() was conditional on
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