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Re: [PATCH] [RFC] PR target/52813 and target/11807
On Wed, 12 Dec 2018 at 11:03:24 EET Christophe Lyon wrote:
> And just noticed it causes a failure to build GDB for x86_64:
> gdb-8.1-release/gdb/nat/linux-ptrace.c: In function 'void
> gdb-8.1-release/gdb/nat/linux-ptrace.c:149:23: error: Stack Pointer
> register clobbered by '%rsp' in 'asm'
> 149 | : "%rsp", "memory");
> | ^
> Makefile:1640: recipe for target 'linux-ptrace.o' failed
> I didn't check if the GDB code is legitimate though....
Sorry about this. I had checked the Linux x86 kernel for SP clobbers, but
forgot that GDB could also use such magic.
I'll try to fix it and send a patch to GDB. It will likely take me a few days,
so I hope that this breakage is not considered a P0 bug.