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From: Andrew Turner <andrew@FreeBSD.org>
Date: Tue, 28 Aug 2012 19:37:54 +0000 (UTC)
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Subject: svn commit: r239793 - projects/arm_eabi/sys/conf
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Author: andrew
Date: Tue Aug 28 19:37:54 2012
New Revision: 239793
URL: http://svn.freebsd.org/changeset/base/239793

Log:
  When building a kernel with DDB provide the unwind tables

Modified:
  projects/arm_eabi/sys/conf/Makefile.arm
  projects/arm_eabi/sys/conf/ldscript.arm

Modified: projects/arm_eabi/sys/conf/Makefile.arm
==============================================================================
--- projects/arm_eabi/sys/conf/Makefile.arm	Tue Aug 28 19:36:54 2012	(r239792)
+++ projects/arm_eabi/sys/conf/Makefile.arm	Tue Aug 28 19:37:54 2012	(r239793)
@@ -54,6 +54,8 @@ DDB_ENABLED!=	grep DDB opt_ddb.h || true
 
 .if empty(DDB_ENABLED)
 CFLAGS += -mno-apcs-frame
+.else
+CFLAGS += -funwind-tables
 .endif
 
 SYSTEM_LD_ = ${LD} -Bdynamic -T ldscript.$M.noheader \

Modified: projects/arm_eabi/sys/conf/ldscript.arm
==============================================================================
--- projects/arm_eabi/sys/conf/ldscript.arm	Tue Aug 28 19:36:54 2012	(r239792)
+++ projects/arm_eabi/sys/conf/ldscript.arm	Tue Aug 28 19:37:54 2012	(r239793)
@@ -57,6 +57,18 @@ SECTIONS
   .init          : { *(.init)	} =0x9090
   .plt      : { *(.plt)	}
 
+  _extab_start = .;
+  PROVIDE(extab_start = .);
+  .ARM.extab : { *(.ARM.extab) }
+  _extab.end = .;
+  PROVIDE(extab_end = .);
+
+  _exidx_start = .;
+  PROVIDE(exidx_start = .);
+  .ARM.exidx : { *(.ARM.exidx) }
+  _exidx_end = .;
+  PROVIDE(exidx_end = .);
+
   /* Adjust the address for the data segment.  We want to adjust up to
      the same address within the page on the next page up.  */
   . = ALIGN(0x1000) + (. & (0x1000 - 1)) ;