From 8f65a5668c40fa53f95b8e1112fe8f4148bff76a Mon Sep 17 00:00:00 2001 From: GNU Libc Maintainers Date: Wed, 18 Jun 2025 06:49:31 +0200 Subject: [PATCH] git-signal-fpe-exceptions =================================================================== Gbp-Pq: Topic hurd-i386 Gbp-Pq: Name git-signal-fpe-exceptions.diff --- sysdeps/mach/hurd/x86/trampoline.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/sysdeps/mach/hurd/x86/trampoline.c b/sysdeps/mach/hurd/x86/trampoline.c index db756e8a1..2558075ba 100644 --- a/sysdeps/mach/hurd/x86/trampoline.c +++ b/sysdeps/mach/hurd/x86/trampoline.c @@ -461,7 +461,10 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action - in gdb: gdb/i386-gnu-tdep.c gnu_sigtramp_code. */ #ifdef __x86_64__ -asm ("rpc_wait_trampoline:\n" +asm ("trampoline:\n" + "fnclex\n" /* Clear any pending exception. */ + "jmp _trampoline\n" + "rpc_wait_trampoline:\n" /* This is the entry point when we have an RPC reply message to receive before running the handler. The MACH_MSG_SEND bit has already been cleared in the OPTION argument in our %rsi. The interrupted user @@ -480,7 +483,7 @@ asm ("rpc_wait_trampoline:\n" /* Switch to the signal stack. */ "movq %rbx, %rsp\n" - "trampoline:\n" + "_trampoline:\n" /* Entry point for running the handler normally. The arguments to the handler function are on the top of the stack, same as in the i386 version: @@ -506,7 +509,10 @@ asm ("rpc_wait_trampoline:\n" "movq 16(%rsp), %rdi\n" "ret"); #else -asm ("rpc_wait_trampoline:\n"); +asm ("trampoline:\n" + "fnclex\n" /* Clear any pending exception. */ + "jmp _trampoline\n" + "rpc_wait_trampoline:\n"); /* This is the entry point when we have an RPC reply message to receive before running the handler. The MACH_MSG_SEND bit has already been cleared in the OPTION argument on our stack. The interrupted user @@ -526,7 +532,7 @@ asm (/* Retry the interrupted mach_msg system call. */ /* Switch to the signal stack. */ "movl %ebx, %esp\n"); - asm ("trampoline:\n"); +asm ("_trampoline:\n"); /* Entry point for running the handler normally. The arguments to the handler function are already on the top of the stack: -- 2.30.2