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re PR target/43498 (No unwind info for thunks even with -fasynchronous-unwind-tables)

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PR target/43498
	* config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
	at the beginning and final_end_function at the end.
	* config/s390/s390.c (s390_output_mi_thunk): Likewise.

From-SVN: r157706
This commit is contained in:
Jakub Jelinek 2010-03-24 21:31:09 +01:00 committed by Jakub Jelinek
parent f1c26cad13
commit 81ef7e2403
3 changed files with 17 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2010-03-24 Jakub Jelinek <jakub@redhat.com>
PR target/43498
* config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
at the beginning and final_end_function at the end.
* config/s390/s390.c (s390_output_mi_thunk): Likewise.
2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support

6
gcc/config/i386/i386.c
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@ -26191,7 +26191,7 @@ x86_can_output_mi_thunk (const_tree thunk ATTRIBUTE_UNUSED,
*(*this + vcall_offset) should be added to THIS. */
static void
x86_output_mi_thunk (FILE *file ATTRIBUTE_UNUSED,
x86_output_mi_thunk (FILE *file,
tree thunk ATTRIBUTE_UNUSED, HOST_WIDE_INT delta,
HOST_WIDE_INT vcall_offset, tree function)
{
@ -26199,6 +26199,9 @@ x86_output_mi_thunk (FILE *file ATTRIBUTE_UNUSED,
rtx this_param = x86_this_parameter (function);
rtx this_reg, tmp;
/* Make sure unwind info is emitted for the thunk if needed. */
final_start_function (emit_barrier (), file, 1);
/* If VCALL_OFFSET, we'll need THIS in a register. Might as well
pull it in now and let DELTA benefit. */
if (REG_P (this_param))
@ -26327,6 +26330,7 @@ x86_output_mi_thunk (FILE *file ATTRIBUTE_UNUSED,
output_asm_insn ("jmp\t{*}%1", xops);
}
}
final_end_function ();
}
static void

6
gcc/config/s390/s390.c
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@ -1,6 +1,6 @@
/* Subroutines used for code generation on IBM S/390 and zSeries
Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009 Free Software Foundation, Inc.
2007, 2008, 2009, 2010 Free Software Foundation, Inc.
Contributed by Hartmut Penner (hpenner@de.ibm.com) and
Ulrich Weigand (uweigand@de.ibm.com) and
Andreas Krebbel (Andreas.Krebbel@de.ibm.com).
@ -9030,6 +9030,9 @@ s390_output_mi_thunk (FILE *file, tree thunk ATTRIBUTE_UNUSED,
rtx op[10];
int nonlocal = 0;
/* Make sure unwind info is emitted for the thunk if needed. */
final_start_function (emit_barrier (), file, 1);
/* Operand 0 is the target function. */
op[0] = XEXP (DECL_RTL (function), 0);
if (flag_pic && !SYMBOL_REF_LOCAL_P (op[0]))
@ -9279,6 +9282,7 @@ s390_output_mi_thunk (FILE *file, tree thunk ATTRIBUTE_UNUSED,
output_asm_insn (".long\t%3", op);
}
}
final_end_function ();
}
static bool