From: tbsaunde+gcc@tbsaunde.org
To: gcc-patches@gcc.gnu.org
Cc: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
Subject: [PATCH 06/12] provide default for RETURN_ADDR_OFFSET
Date: Tue, 21 Apr 2015 13:25:00 -0000 [thread overview]
Message-ID: <1429622658-9034-7-git-send-email-tbsaunde+gcc@tbsaunde.org> (raw)
In-Reply-To: <1429622658-9034-1-git-send-email-tbsaunde+gcc@tbsaunde.org>
From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
gcc/ChangeLog:
2015-04-21 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
* defaults.h (RETURN_ADDR_OFFSET): New definition.
* except.c (expand_builtin_extract_return_addr): Remove ifdef
RETURN_ADDR_OFFSET.
(expand_builtin_frob_return_addr): Likewise.
---
gcc/defaults.h | 5 +++++
gcc/except.c | 14 +++++++-------
2 files changed, 12 insertions(+), 7 deletions(-)
diff --git a/gcc/defaults.h b/gcc/defaults.h
index 911c2f8..767901a 100644
--- a/gcc/defaults.h
+++ b/gcc/defaults.h
@@ -383,6 +383,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM
#endif
+/* Offset between the eh handler address and entry in eh tables. */
+#ifndef RETURN_ADDR_OFFSET
+#define RETURN_ADDR_OFFSET 0
+#endif
+
/* If we have named section and we support weak symbols, then use the
.jcr section for recording java classes which need to be registered
at program start-up time. */
diff --git a/gcc/except.c b/gcc/except.c
index 7573c88..c98163d 100644
--- a/gcc/except.c
+++ b/gcc/except.c
@@ -2189,9 +2189,8 @@ expand_builtin_extract_return_addr (tree addr_tree)
#endif
/* Then adjust to find the real return address. */
-#if defined (RETURN_ADDR_OFFSET)
- addr = plus_constant (Pmode, addr, RETURN_ADDR_OFFSET);
-#endif
+ if (RETURN_ADDR_OFFSET)
+ addr = plus_constant (Pmode, addr, RETURN_ADDR_OFFSET);
return addr;
}
@@ -2207,10 +2206,11 @@ expand_builtin_frob_return_addr (tree addr_tree)
addr = convert_memory_address (Pmode, addr);
-#ifdef RETURN_ADDR_OFFSET
- addr = force_reg (Pmode, addr);
- addr = plus_constant (Pmode, addr, -RETURN_ADDR_OFFSET);
-#endif
+ if (RETURN_ADDR_OFFSET)
+ {
+ addr = force_reg (Pmode, addr);
+ addr = plus_constant (Pmode, addr, -RETURN_ADDR_OFFSET);
+ }
return addr;
}
--
2.3.0.80.g18d0fec.dirty
next prev parent reply other threads:[~2015-04-21 13:25 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-21 13:25 [PATCH 00/12] Reduce conditional compilation tbsaunde+gcc
2015-04-21 13:25 ` [PATCH 10/12] remove more ifdefs for HAVE_cc0 tbsaunde+gcc
2015-04-21 13:55 ` Jeff Law
2015-04-21 13:25 ` [PATCH 05/12] make some HAVE_cc0 code always compiled tbsaunde+gcc
2015-04-21 13:54 ` Jeff Law
2015-04-21 13:25 ` [PATCH 08/12] reduce conditional compilation for HARD_FRAME_POINTER_IS_FRAME_POINTER tbsaunde+gcc
2015-04-21 13:37 ` Jeff Law
2015-04-21 13:25 ` [PATCH 09/12] remove #if for PIC_OFFSET_TABLE_REGNUM tbsaunde+gcc
2015-04-21 13:34 ` Jeff Law
2015-04-21 13:25 ` [PATCH 02/12] remove some ifdef HAVE_cc0 tbsaunde+gcc
2015-04-21 13:48 ` Jeff Law
2015-04-21 14:14 ` Richard Biener
2015-04-21 15:24 ` Trevor Saunders
2015-04-23 3:28 ` James Greenhalgh
2015-04-23 4:55 ` Trevor Saunders
2015-04-23 8:35 ` Richard Biener
2015-04-23 8:41 ` Kyrill Tkachov
2015-04-23 9:08 ` Richard Earnshaw
2015-04-23 9:58 ` Kyrill Tkachov
2015-04-23 10:30 ` Richard Biener
2015-04-23 12:01 ` Trevor Saunders
2015-04-21 13:25 ` [PATCH 12/12] add default for INSN_REFERENCES_ARE_DELAYED tbsaunde+gcc
2015-04-21 13:30 ` Jeff Law
2015-04-21 13:25 ` [PATCH 07/12] provide default for MASK_RETURN_ADDR tbsaunde+gcc
2015-04-21 13:32 ` Jeff Law
2015-04-21 13:25 ` [PATCH 01/12] add default definition of EH_RETURN_DATA_REGNO tbsaunde+gcc
2015-04-21 13:40 ` Jeff Law
2015-04-21 14:00 ` Jakub Jelinek
2015-04-21 14:04 ` Jeff Law
2015-04-21 13:25 ` tbsaunde+gcc [this message]
2015-04-21 13:32 ` [PATCH 06/12] provide default for RETURN_ADDR_OFFSET Jeff Law
2015-04-21 13:25 ` [PATCH 03/12] more removal of ifdef HAVE_cc0 tbsaunde+gcc
2015-04-21 13:51 ` Jeff Law
2015-04-21 15:24 ` Trevor Saunders
2015-04-21 13:25 ` [PATCH 11/12] provide default for INSN_SETS_ARE_DELAYED tbsaunde+gcc
2015-04-21 13:31 ` Jeff Law
2015-04-21 13:25 ` [PATCH 04/12] always define HAVE_cc0 tbsaunde+gcc
2015-04-21 13:53 ` Jeff Law
2015-04-21 15:18 ` Trevor Saunders
2015-04-21 13:43 ` [PATCH 00/12] Reduce conditional compilation Jeff Law
2015-04-21 13:57 ` Jeff Law
2015-04-21 15:29 ` Trevor Saunders
2015-04-22 18:19 ` David Malcolm
2015-04-22 18:37 ` Jeff Law
2015-04-22 20:46 ` Trevor Saunders
2015-04-22 20:47 ` Jeff Law
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