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nptl: Increase default TCB alignment to 32

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rseq support will use a 32-byte aligned field in struct pthread,
so the whole struct needs to have at least that alignment.

nptl/tst-tls3mod.c uses TCB_ALIGNMENT, therefore include <descr.h>
to obtain the fallback definition.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
This commit is contained in:
Florian Weimer
2021-12-03 16:28:07 +01:00
parent 0656b649c5
commit 23c77f6018
18 changed files with 4 additions and 50 deletions
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4
sysdeps/sparc/sparc64/pthreaddef.h
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@@ -27,10 +27,6 @@
/* Minimal stack size after allocating thread descriptor and guard size. */
#define MINIMAL_REST_STACK 4096
/* Alignment requirement for TCB. */
#define TCB_ALIGNMENT 16
/* Location of current stack frame. */
#define CURRENT_STACK_FRAME (stack_pointer + (2 * 128))
register char *stack_pointer __asm__("%sp");