From e39adf43c7d1979884dd304ed1250baf1f78fadc Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Mon, 20 May 2013 10:19:31 +0200 Subject: AArch64: Don't clobber argument for tail call to __sigjmp_save in sigsetjmp --- ports/ChangeLog.aarch64 | 7 +++++++ ports/sysdeps/aarch64/setjmp.S | 10 ++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) (limited to 'ports') diff --git a/ports/ChangeLog.aarch64 b/ports/ChangeLog.aarch64 index e12c4472b5..2e2dc2f3fd 100644 --- a/ports/ChangeLog.aarch64 +++ b/ports/ChangeLog.aarch64 @@ -1,3 +1,10 @@ +2013-05-21 Andreas Schwab + + [BZ #15493] + * sysdeps/aarch64/setjmp.S (__sigsetjmp): Don't clobber register + x1. + [NOT_IN_libc && IS_IN_rtld]: Don't call __sigjmp_save. + 2013-05-21 Marcus Shawcroft * sysdeps/aarch64/libm-test-ulps: Regenerate. diff --git a/ports/sysdeps/aarch64/setjmp.S b/ports/sysdeps/aarch64/setjmp.S index cff81c7e4d..10e070999c 100644 --- a/ports/sysdeps/aarch64/setjmp.S +++ b/ports/sysdeps/aarch64/setjmp.S @@ -44,8 +44,14 @@ ENTRY (__sigsetjmp) stp d10, d11, [x0, #JB_D10<<3] stp d12, d13, [x0, #JB_D12<<3] stp d14, d15, [x0, #JB_D14<<3] - mov x1, sp - str x1, [x0, #JB_SP<<3] + mov x2, sp + str x2, [x0, #JB_SP<<3] +#if defined NOT_IN_libc && defined IS_IN_rtld + /* In ld.so we never save the signal mask */ + mov w0, #0 + RET +#else b C_SYMBOL_NAME(__sigjmp_save) +#endif END (__sigsetjmp) hidden_def (__sigsetjmp) -- cgit v1.2.3