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Re: [Qemu-devel] [PATCH] Add gcc 4.0 support


From: Thiemo Seufer
Subject: Re: [Qemu-devel] [PATCH] Add gcc 4.0 support
Date: Tue, 28 Mar 2006 15:09:37 +0100
User-agent: Mutt/1.5.11+cvs20060126

On Wed, Feb 15, 2006 at 12:25:01PM +0000, Thiemo Seufer wrote:
> Hello all,
> 
> the appended patch
> 
> - Adds detection of gcc commandline flag support, based on the theory
>   "If it exists, we want to use it".
> - Uses this to add enough gcc4 flag magic to OP_FLAGS, and remove the
>   specialcasing for gcc3 as well as the bail out for gcc4.
> - Makes CFLAGS and OP_CLFAGS distinct sets because options like -O0
>   are useful for debugging in CFLAGS but break qemu in OP_CFLAGS.
> - Updates the ppc.ld script to work with gcc4.
> - Adds preliminary mips/mipsel support to Makefile.target.
> - Adds to RETURN and FORCE_RET a "memory" constraint to ensure it works
>   as optimisation barrier.
> 
> Caveats:
> - Those changes weren't tested with earlier compilers. The linker
>   script probably requires some more recent ld. Please test if it
>   still works for you.
> - The -malign-functions=0 is now used as a fallback for
>   -fno-align-functions on all architectures, not only on i386. This
>   might be wrong.
> 
> 
> Tested on Debian unstable on powerpc, while working on improving the
> mips emulation support.

Updated version, note that this is still not suitable for CVS since
x86 fails to build with it.


Thiemo


Index: Makefile.target
===================================================================
--- Makefile.target.orig        2006-03-28 15:05:19.000000000 +0100
+++ Makefile.target     2006-03-28 15:05:45.000000000 +0100
@@ -17,6 +17,14 @@
 VPATH+=:$(SRC_PATH)/linux-user
 DEFINES+=-I$(SRC_PATH)/linux-user -I$(SRC_PATH)/linux-user/$(TARGET_ARCH)
 endif
+
+# cc-option
+# Usage: CFLAGS += $(call cc-option, -falign-functions=0, -malign-functions=0)
+
+cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
+             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+
+
 CFLAGS=-Wall -O2 -g -fno-strict-aliasing
 #CFLAGS+=-Werror
 LDFLAGS=-g
@@ -65,15 +73,19 @@
 LDFLAGS+=-static
 endif
 
-ifeq ($(ARCH),i386)
-CFLAGS+=-fomit-frame-pointer
-OP_CFLAGS=$(CFLAGS) -mpreferred-stack-boundary=2
-ifeq ($(HAVE_GCC3_OPTIONS),yes)
-OP_CFLAGS+= -falign-functions=0 -fno-gcse
-else
-OP_CFLAGS+= -malign-functions=0
-endif
+# We require -O2 to avoid the stack setup prologue in EXIT_TB
+OP_CFLAGS = -Wall -O2 -g -fno-strict-aliasing
+OP_CFLAGS += $(call cc-option, -fno-reorder-blocks, "")
+OP_CFLAGS += $(call cc-option, -fno-tree-ch, "")
+OP_CFLAGS += $(call cc-option, -fno-optimize-sibling-calls, "")
+OP_CFLAGS += $(call cc-option, -fno-crossjumping, "")
+OP_CFLAGS += $(call cc-option, -fno-align-labels, "")
+OP_CFLAGS += $(call cc-option, -fno-align-jumps, "")
+OP_CFLAGS += $(call cc-option, -fno-align-functions, -malign-functions=0)
 
+ifeq ($(ARCH),i386)
+CFLAGS += -fomit-frame-pointer
+OP_CFLAGS += -fomit-frame-pointer -preferred-stack-boundary=2
 ifdef TARGET_GPROF
 USE_I386_LD=y
 endif
@@ -91,64 +103,61 @@
 endif
 
 ifeq ($(ARCH),x86_64)
-OP_CFLAGS=$(CFLAGS) -falign-functions=0
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/x86_64.ld
 endif
 
 ifeq ($(ARCH),ppc)
-CFLAGS+= -D__powerpc__
-OP_CFLAGS=$(CFLAGS)
+CFLAGS += -D__powerpc__
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/ppc.ld
 endif
 
 ifeq ($(ARCH),s390)
-OP_CFLAGS=$(CFLAGS)
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/s390.ld
 endif
 
 ifeq ($(ARCH),sparc)
-CFLAGS+=-m32 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
-LDFLAGS+=-m32
-OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
-HELPER_CFLAGS=$(CFLAGS) -ffixed-i0 -mflat
+CFLAGS += -m32 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
+LDFLAGS += -m32
+OP_CFLAGS += -m32 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6 \
+       -fno-delayed-branch -ffixed-i0
+HELPER_CFLAGS = $(CFLAGS) -ffixed-i0 -mflat
 # -static is used to avoid g1/g3 usage by the dynamic linker
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/sparc.ld -static
 endif
 
 ifeq ($(ARCH),sparc64)
-CFLAGS+=-m64 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
-LDFLAGS+=-m64
-OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
+CFLAGS += -m64 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
+LDFLAGS += -m64
+OP_CFLAGS += -m64 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6 \
+       -fno-delayed-branch -ffixed-i0
 endif
 
 ifeq ($(ARCH),alpha)
-# -msmall-data is not used because we want two-instruction relocations
-# for the constant constructions
-OP_CFLAGS=-Wall -O2 -g
 # Ensure there's only a single GP
 CFLAGS += -msmall-data
+# -msmall-data is not used for OP_CFLAGS because we want
+# two-instruction relocations for the constant constructions
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/alpha.ld
 endif
 
 ifeq ($(ARCH),ia64)
 CFLAGS += -mno-sdata
-OP_CFLAGS=$(CFLAGS)
+OP_CFLAGS += -mno-sdata
 LDFLAGS+=-Wl,-G0 -Wl,-T,$(SRC_PATH)/ia64.ld
 endif
 
 ifeq ($(ARCH),arm)
-OP_CFLAGS=$(CFLAGS) -mno-sched-prolog -fno-omit-frame-pointer
+OP_CFLAGS += -mno-sched-prolog -fno-omit-frame-pointer
 LDFLAGS+=-Wl,-T,$(SRC_PATH)/arm.ld
 endif
 
 ifeq ($(ARCH),m68k)
-OP_CFLAGS=$(CFLAGS) -fomit-frame-pointer
-LDFLAGS+=-Wl,-T,m68k.ld
+OP_CFLAGS += -fomit-frame-pointer
+LDFLAGS+=-Wl,-T,$(SRC_PATH)/m68k.ld
 endif
 
-ifeq ($(HAVE_GCC3_OPTIONS),yes)
-# very important to generate a return at the end of every operation
-OP_CFLAGS+=-fno-reorder-blocks -fno-optimize-sibling-calls
+ifeq ($(ARCH),mips)
+LDFLAGS+=-Wl,-T,$(SRC_PATH)/mips.ld
 endif
 
 ifeq ($(CONFIG_DARWIN),yes)
Index: configure
===================================================================
--- configure.orig      2006-03-28 15:05:19.000000000 +0100
+++ configure   2006-03-28 15:05:45.000000000 +0100
@@ -291,34 +291,6 @@
     hostlongbits="64"
 fi
 
-# check gcc options support
-cat > $TMPC <<EOF
-int main(void) {
-}
-EOF
-
-have_gcc3_options="no"
-if $cc -fno-reorder-blocks -fno-optimize-sibling-calls -o $TMPO $TMPC 2> 
/dev/null ; then
-   have_gcc3_options="yes"
-fi
-
-# Check for gcc4
-if test "$check_gcc" = "yes" ; then
-    cat > $TMPC <<EOF
-#if __GNUC__ >= 4
-#error gcc4
-#endif
-int main(){return 0;}
-EOF
-    if ! $cc -o $TMPO $TMPC 2>/dev/null ; then
-        echo "ERROR: \"$cc\" looks like gcc 4.x"
-        echo "QEMU is known to have problems when compiled with gcc 4.x"
-        echo "It is recommended that you use gcc 3.x to build QEMU"
-        echo "To use this compiler anyway, configure with --disable-gcc-check"
-        exit 1;
-    fi
-fi
-
 ##########################################
 # SDL probe
 
@@ -409,7 +381,7 @@
 echo "  --fmod-lib               path to FMOD library"
 echo "  --fmod-inc               path to FMOD includes"
 echo ""
-echo "NOTE: The object files are build at the place where configure is 
launched"
+echo "NOTE: The object files are built at the place where configure is 
launched"
 exit 1
 fi
 
@@ -498,9 +470,6 @@
 echo "#define CONFIG_QEMU_SHAREDIR \"$datadir\"" >> $config_h
 echo "MAKE=$make" >> $config_mak
 echo "CC=$cc" >> $config_mak
-if test "$have_gcc3_options" = "yes" ; then
-  echo "HAVE_GCC3_OPTIONS=yes" >> $config_mak
-fi
 echo "HOST_CC=$host_cc" >> $config_mak
 echo "AR=$ar" >> $config_mak
 echo "STRIP=$strip -s -R .comment -R .note" >> $config_mak
Index: dyngen-exec.h
===================================================================
--- dyngen-exec.h.orig  2006-03-28 15:05:19.000000000 +0100
+++ dyngen-exec.h       2006-03-28 15:05:45.000000000 +0100
@@ -155,7 +155,7 @@
 #endif
 
 /* force GCC to generate only one epilog at the end of the function */
-#define FORCE_RET() asm volatile ("");
+#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
 
 #ifndef OPPROTO
 #define OPPROTO
Index: ppc.ld
===================================================================
--- ppc.ld.orig 2006-03-28 15:05:19.000000000 +0100
+++ ppc.ld      2006-03-28 15:05:45.000000000 +0100
@@ -2,8 +2,8 @@
  * Written by Martin Mares <address@hidden>;
  */
 OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
-OUTPUT_ARCH(powerpc)
-SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/usr/alpha-unknown-linux-gnu/lib);
+OUTPUT_ARCH(powerpc:common)
+SEARCH_DIR(/usr/powerpc-linux-gnu/lib); SEARCH_DIR(/usr/local/lib); 
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib)
 ENTRY(_start)
 SECTIONS
 {
@@ -16,93 +16,179 @@
   .gnu.version   : { *(.gnu.version)   }
   .gnu.version_d   : { *(.gnu.version_d)       }
   .gnu.version_r   : { *(.gnu.version_r)       }
-  .rel.text      :
-    { *(.rel.text) *(.rel.gnu.linkonce.t*) }
-  .rela.text     :
-    { *(.rela.text) *(.rela.gnu.linkonce.t*) }
-  .rel.data      :
-    { *(.rel.data) *(.rel.gnu.linkonce.d*) }
-  .rela.data     :
-    { *(.rela.data) *(.rela.gnu.linkonce.d*) }
-  .rel.rodata    :
-    { *(.rel.rodata) *(.rel.gnu.linkonce.r*) }
-  .rela.rodata   :
-    { *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
-  .rel.got       : { *(.rel.got)               }
-  .rela.got      : { *(.rela.got)              }
-  .rel.ctors     : { *(.rel.ctors)     }
-  .rela.ctors    : { *(.rela.ctors)    }
-  .rel.dtors     : { *(.rel.dtors)     }
-  .rela.dtors    : { *(.rela.dtors)    }
-  .rel.init      : { *(.rel.init)      }
-  .rela.init     : { *(.rela.init)     }
-  .rel.fini      : { *(.rel.fini)      }
-  .rela.fini     : { *(.rela.fini)     }
-  .rel.bss       : { *(.rel.bss)               }
-  .rela.bss      : { *(.rela.bss)              }
-  .rel.plt       : { *(.rel.plt)               }
-  .rela.plt      : { *(.rela.plt)              }
-  .init          : { *(.init)  } =0x47ff041f
-  .text      :
+  .rel.init       : { *(.rel.init) }
+  .rela.init      : { *(.rela.init) }
+  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
+  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
+  .rel.fini       : { *(.rel.fini) }
+  .rela.fini      : { *(.rela.fini) }
+  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
+  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
+  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
+  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
+  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+  .rel.tdata     : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+  .rela.tdata    : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+  .rel.tbss      : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+  .rela.tbss     : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+  .rel.ctors      : { *(.rel.ctors) }
+  .rela.ctors     : { *(.rela.ctors) }
+  .rel.dtors      : { *(.rel.dtors) }
+  .rela.dtors     : { *(.rela.dtors) }
+  .rel.got        : { *(.rel.got) }
+  .rela.got       : { *(.rela.got) }
+  .rela.got1           : { *(.rela.got1) }
+  .rela.got2           : { *(.rela.got2) }
+  .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
+  .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
+  .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
+  .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
+  .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
+  .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
+  .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
+  .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
+  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
+  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
+  .rel.plt        : { *(.rel.plt) }
+  .rela.plt       : { *(.rela.plt) }
+  .init           :
   {
-    *(.text)
+    KEEP (*(.init))
+  } =0
+  .text           :
+  {
+    *(.text .stub .text.* .gnu.linkonce.t.*)
+    KEEP (*(.text.*personality*))
     /* .gnu.warning sections are handled specially by elf32.em.  */
     *(.gnu.warning)
-    *(.gnu.linkonce.t*)
+    *(.glink)
+  } =0x47ff041f
+  .fini           :
+  {
+    KEEP (*(.fini))
   } =0x47ff041f
-  _etext = .;
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
   PROVIDE (etext = .);
-  .fini      : { *(.fini)    } =0x47ff041f
-  . = ALIGN(32 / 8);
-  PROVIDE (__preinit_array_start = .);
-  .preinit_array     : { *(.preinit_array) }
-  PROVIDE (__preinit_array_end = .);
-  PROVIDE (__init_array_start = .);
-  .init_array     : { *(.init_array) }
-  PROVIDE (__init_array_end = .);
-  PROVIDE (__fini_array_start = .);
-  .fini_array     : { *(.fini_array) }
-  PROVIDE (__fini_array_end = .);
-  .rodata    : { *(.rodata) *(.gnu.linkonce.r*) }
-  .rodata1   : { *(.rodata1) }
-  .reginfo : { *(.reginfo) }
+  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+  .rodata1        : { *(.rodata1) }
+  .sdata2         :
+  {
+    PROVIDE (_SDA2_BASE_ = 32768);
+    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+  }
+  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
+  .eh_frame_hdr : { *(.eh_frame_hdr) }
+  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
   /* 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(0x100000) + (. & (0x100000 - 1));
-  .data    :
+  . = ALIGN (0x10000) - ((0x10000 - .) & (0x10000 - 1)); . = 
DATA_SEGMENT_ALIGN (0x10000, 0x1000);
+  /* Exception handling  */
+  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+  /* Thread Local Storage sections  */
+  .tdata         : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+  .tbss                  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+  .preinit_array     :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  }
+  .init_array     :
+  {
+     PROVIDE_HIDDEN (__init_array_start = .);
+     KEEP (*(SORT(.init_array.*)))
+     KEEP (*(.init_array))
+     PROVIDE_HIDDEN (__init_array_end = .);
+  }
+  .fini_array     :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  }
+  .ctors          :
   {
-    *(.data)
-    *(.gnu.linkonce.d*)
-    CONSTRUCTORS
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin*.o(.ctors))
+    /* We don't want to include the .ctor section from
+       the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
   }
-  .data1   : { *(.data1) }
-  .ctors         :
+  .dtors          :
   {
-    *(.ctors)
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
   }
-  .dtors         :
+  .jcr            : { KEEP (*(.jcr)) }
+  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) 
*(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
+  .got1           : { *(.got1) }
+  .got2           : { *(.got2) }
+  .dynamic        : { *(.dynamic) }
+  .got            : SPECIAL { *(.got) }
+  . = DATA_SEGMENT_RELRO_END (0, .);
+  .plt            : SPECIAL { *(.plt) }
+  .data           :
   {
-    *(.dtors)
+    *(.data .data.* .gnu.linkonce.d.*)
+    KEEP (*(.gnu.linkonce.d.*personality*))
+    SORT(CONSTRUCTORS)
   }
-  .plt      : { *(.plt)        }
-  .got           : { *(.got.plt) *(.got) }
-  .dynamic       : { *(.dynamic) }
+  .data1          : { *(.data1) }
+  .got            : SPECIAL { *(.got) }
   /* We want the small data sections together, so single-instruction offsets
      can access them all, and initialized data all before uninitialized, so
      we can shorten the on-disk segment size.  */
-  .sdata     : { *(.sdata) }
-  _edata  =  .;
-  PROVIDE (edata = .);
+  .sdata          :
+  {
+    PROVIDE (_SDA_BASE_ = 32768);
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  }
+  _edata = .; PROVIDE (edata = .);
   __bss_start = .;
-  .sbss      : { *(.sbss) *(.scommon) }
-  .bss       :
+  .sbss           :
+  {
+    PROVIDE (__sbss_start = .); PROVIDE (___sbss_start = .);
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+    PROVIDE (__sbss_end = .); PROVIDE (___sbss_end = .);
+  }
+  .plt            : SPECIAL { *(.plt) }
+  .bss            :
   {
    *(.dynbss)
-   *(.bss)
+   *(.bss .bss.* .gnu.linkonce.b.*)
    *(COMMON)
+   /* Align here to ensure that the .bss section occupies space up to
+      _end.  Align after .bss to ensure correct alignment even if the
+      .bss section disappears because there are no input sections.
+      FIXME: Why do we need it? When there is no .bss section, we don't
+      pad the .data section.  */
+   . = ALIGN(. != 0 ? 32 / 8 : 1);
   }
-  _end = . ;
-  PROVIDE (end = .);
+  . = ALIGN(32 / 8);
+  . = ALIGN(32 / 8);
+  _end = .; PROVIDE (end = .);
+  . = DATA_SEGMENT_END (.);
   /* Stabs debugging sections.  */
   .stab 0 : { *(.stab) }
   .stabstr 0 : { *(.stabstr) }
@@ -137,4 +223,6 @@
   .debug_typenames 0 : { *(.debug_typenames) }
   .debug_varnames  0 : { *(.debug_varnames) }
   /* These must appear regardless of  .  */
+  /DISCARD/    : { *(.fixup) }
+  /DISCARD/ : { *(.note.GNU-stack) }
 }
Index: target-mips/exec.h
===================================================================
--- target-mips/exec.h.orig     2006-03-28 15:05:19.000000000 +0100
+++ target-mips/exec.h  2006-03-28 15:05:45.000000000 +0100
@@ -31,9 +31,9 @@
 #endif
 
 #if defined (DEBUG_OP)
-#define RETURN() __asm__ __volatile__("nop");
+# define RETURN() __asm__ __volatile__("nop" : : : "memory");
 #else
-#define RETURN() __asm__ __volatile__("");
+# define RETURN() __asm__ __volatile__("" : : : "memory");
 #endif
 
 #include "cpu.h"
Index: target-ppc/exec.h
===================================================================
--- target-ppc/exec.h.orig      2006-03-28 15:05:19.000000000 +0100
+++ target-ppc/exec.h   2006-03-28 15:05:45.000000000 +0100
@@ -38,9 +38,9 @@
 #define FT2 (env->ft2)
 
 #if defined (DEBUG_OP)
-#define RETURN() __asm__ __volatile__("nop");
+#define RETURN() __asm__ __volatile__("nop" : : : "memory");
 #else
-#define RETURN() __asm__ __volatile__("");
+#define RETURN() __asm__ __volatile__("" : : : "memory");
 #endif
 
 #include "cpu.h"
Index: mips.ld
===================================================================
--- /dev/null   1970-01-01 00:00:00.000000000 +0000
+++ mips.ld     2006-03-28 15:05:45.000000000 +0100
@@ -0,0 +1,225 @@
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT("elf32-tradbigmips", "elf32-tradbigmips",
+             "elf32-tradlittlemips")
+OUTPUT_ARCH(mips)
+ENTRY(__start)
+SEARCH_DIR("/usr/mips-linux-gnu/lib");
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  PROVIDE (__executable_start = 0x0400000); . = 0x0400000 + SIZEOF_HEADERS;
+  .interp         : { *(.interp) }
+  .reginfo        : { *(.reginfo) }
+  .dynamic        : { *(.dynamic) }
+  .hash           : { *(.hash) }
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+  .gnu.version    : { *(.gnu.version) }
+  .gnu.version_d  : { *(.gnu.version_d) }
+  .gnu.version_r  : { *(.gnu.version_r) }
+  .rel.init       : { *(.rel.init) }
+  .rela.init      : { *(.rela.init) }
+  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
+  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
+  .rel.fini       : { *(.rel.fini) }
+  .rela.fini      : { *(.rela.fini) }
+  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
+  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
+  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
+  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
+  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+  .rel.tdata     : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+  .rela.tdata    : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+  .rel.tbss      : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+  .rela.tbss     : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+  .rel.ctors      : { *(.rel.ctors) }
+  .rela.ctors     : { *(.rela.ctors) }
+  .rel.dtors      : { *(.rel.dtors) }
+  .rela.dtors     : { *(.rela.dtors) }
+  .rel.got        : { *(.rel.got) }
+  .rela.got       : { *(.rela.got) }
+  .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
+  .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
+  .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
+  .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
+  .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
+  .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
+  .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
+  .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
+  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
+  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
+  .rel.plt        : { *(.rel.plt) }
+  .rela.plt       : { *(.rela.plt) }
+  .init           :
+  {
+    KEEP (*(.init))
+  } =0x47ff041f
+  .plt            : { *(.plt) }
+  .text           :
+  {
+    _ftext = . ;
+    *(.text .stub .text.* .gnu.linkonce.t.*)
+    KEEP (*(.text.*personality*))
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.mips16.fn.*) *(.mips16.call.*)
+  } =0x47ff041f
+  .fini           :
+  {
+    KEEP (*(.fini))
+  } =0x47ff041f
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+  .rodata1        : { *(.rodata1) }
+  .sdata2         :
+  {
+    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+  }
+  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
+  .eh_frame_hdr : { *(.eh_frame_hdr) }
+  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
+  /* 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 (0x40000) - ((0x40000 - .) & (0x40000 - 1)); . = 
DATA_SEGMENT_ALIGN (0x40000, 0x1000);
+  /* Exception handling  */
+  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+  /* Thread Local Storage sections  */
+  .tdata         : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+  .tbss                  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+  .preinit_array     :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  }
+  .init_array     :
+  {
+     PROVIDE_HIDDEN (__init_array_start = .);
+     KEEP (*(SORT(.init_array.*)))
+     KEEP (*(.init_array))
+     PROVIDE_HIDDEN (__init_array_end = .);
+  }
+  .fini_array     :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  }
+  .ctors          :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin*.o(.ctors))
+    /* We don't want to include the .ctor section from
+       the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+  .dtors          :
+  {
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+  .jcr            : { KEEP (*(.jcr)) }
+  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) 
*(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
+  . = DATA_SEGMENT_RELRO_END (0, .);
+  .data           :
+  {
+    _fdata = . ;
+    *(.data .data.* .gnu.linkonce.d.*)
+    KEEP (*(.gnu.linkonce.d.*personality*))
+    SORT(CONSTRUCTORS)
+  }
+  .data1          : { *(.data1) }
+  . = .;
+  _gp = ALIGN(16) + 0x7ff0;
+  .got            : { *(.got.plt) *(.got) }
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .sdata          :
+  {
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  }
+  .lit8           : { *(.lit8) }
+  .lit4           : { *(.lit4) }
+  _edata = .; PROVIDE (edata = .);
+  __bss_start = .;
+  _fbss = .;
+  .sbss           :
+  {
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+  }
+  .bss            :
+  {
+   *(.dynbss)
+   *(.bss .bss.* .gnu.linkonce.b.*)
+   *(COMMON)
+   /* Align here to ensure that the .bss section occupies space up to
+      _end.  Align after .bss to ensure correct alignment even if the
+      .bss section disappears because there are no input sections.
+      FIXME: Why do we need it? When there is no .bss section, we don't
+      pad the .data section.  */
+   . = ALIGN(. != 0 ? 32 / 8 : 1);
+  }
+  . = ALIGN(32 / 8);
+  . = ALIGN(32 / 8);
+  _end = .; PROVIDE (end = .);
+  . = DATA_SEGMENT_END (.);
+  /* Stabs debugging sections.  */
+  .stab          0 : { *(.stab) }
+  .stabstr       0 : { *(.stabstr) }
+  .stab.excl     0 : { *(.stab.excl) }
+  .stab.exclstr  0 : { *(.stab.exclstr) }
+  .stab.index    0 : { *(.stab.index) }
+  .stab.indexstr 0 : { *(.stab.indexstr) }
+  .comment       0 : { *(.comment) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
+  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
+  /DISCARD/ : { *(.note.GNU-stack) }
+}
Index: mipsel.ld
===================================================================
--- /dev/null   1970-01-01 00:00:00.000000000 +0000
+++ mipsel.ld   2006-03-28 15:05:45.000000000 +0100
@@ -0,0 +1,225 @@
+/* Default linker script, for normal executables */
+OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips",
+             "elf32-tradlittlemips")
+OUTPUT_ARCH(mips)
+ENTRY(__start)
+SEARCH_DIR("/usr/mips-linux-gnu/lib");
+SECTIONS
+{
+  /* Read-only sections, merged into text segment: */
+  PROVIDE (__executable_start = 0x0400000); . = 0x0400000 + SIZEOF_HEADERS;
+  .interp         : { *(.interp) }
+  .reginfo        : { *(.reginfo) }
+  .dynamic        : { *(.dynamic) }
+  .hash           : { *(.hash) }
+  .dynsym         : { *(.dynsym) }
+  .dynstr         : { *(.dynstr) }
+  .gnu.version    : { *(.gnu.version) }
+  .gnu.version_d  : { *(.gnu.version_d) }
+  .gnu.version_r  : { *(.gnu.version_r) }
+  .rel.init       : { *(.rel.init) }
+  .rela.init      : { *(.rela.init) }
+  .rel.text       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
+  .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
+  .rel.fini       : { *(.rel.fini) }
+  .rela.fini      : { *(.rela.fini) }
+  .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
+  .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
+  .rel.data.rel.ro   : { *(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*) }
+  .rela.data.rel.ro   : { *(.rela.data.rel.ro* .rela.gnu.linkonce.d.rel.ro.*) }
+  .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
+  .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
+  .rel.tdata     : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
+  .rela.tdata    : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
+  .rel.tbss      : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
+  .rela.tbss     : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
+  .rel.ctors      : { *(.rel.ctors) }
+  .rela.ctors     : { *(.rela.ctors) }
+  .rel.dtors      : { *(.rel.dtors) }
+  .rela.dtors     : { *(.rela.dtors) }
+  .rel.got        : { *(.rel.got) }
+  .rela.got       : { *(.rela.got) }
+  .rel.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
+  .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
+  .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
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+  .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
+  .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
+  .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
+  .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
+  .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
+  .rel.plt        : { *(.rel.plt) }
+  .rela.plt       : { *(.rela.plt) }
+  .init           :
+  {
+    KEEP (*(.init))
+  } =0x47ff041f
+  .plt            : { *(.plt) }
+  .text           :
+  {
+    _ftext = . ;
+    *(.text .stub .text.* .gnu.linkonce.t.*)
+    KEEP (*(.text.*personality*))
+    /* .gnu.warning sections are handled specially by elf32.em.  */
+    *(.gnu.warning)
+    *(.mips16.fn.*) *(.mips16.call.*)
+  } =0x47ff041f
+  .fini           :
+  {
+    KEEP (*(.fini))
+  } =0x47ff041f
+  PROVIDE (__etext = .);
+  PROVIDE (_etext = .);
+  PROVIDE (etext = .);
+  .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
+  .rodata1        : { *(.rodata1) }
+  .sdata2         :
+  {
+    *(.sdata2 .sdata2.* .gnu.linkonce.s2.*)
+  }
+  .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
+  .eh_frame_hdr : { *(.eh_frame_hdr) }
+  .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
+  /* 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 (0x40000) - ((0x40000 - .) & (0x40000 - 1)); . = 
DATA_SEGMENT_ALIGN (0x40000, 0x1000);
+  /* Exception handling  */
+  .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) }
+  .gcc_except_table   : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
+  /* Thread Local Storage sections  */
+  .tdata         : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
+  .tbss                  : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
+  .preinit_array     :
+  {
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+  }
+  .init_array     :
+  {
+     PROVIDE_HIDDEN (__init_array_start = .);
+     KEEP (*(SORT(.init_array.*)))
+     KEEP (*(.init_array))
+     PROVIDE_HIDDEN (__init_array_end = .);
+  }
+  .fini_array     :
+  {
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(.fini_array))
+    KEEP (*(SORT(.fini_array.*)))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+  }
+  .ctors          :
+  {
+    /* gcc uses crtbegin.o to find the start of
+       the constructors, so we make sure it is
+       first.  Because this is a wildcard, it
+       doesn't matter if the user does not
+       actually link against crtbegin.o; the
+       linker won't look for a file to match a
+       wildcard.  The wildcard also means that it
+       doesn't matter which directory crtbegin.o
+       is in.  */
+    KEEP (*crtbegin*.o(.ctors))
+    /* We don't want to include the .ctor section from
+       the crtend.o file until after the sorted ctors.
+       The .ctor section from the crtend file contains the
+       end of ctors marker and it must be last */
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
+    KEEP (*(SORT(.ctors.*)))
+    KEEP (*(.ctors))
+  }
+  .dtors          :
+  {
+    KEEP (*crtbegin*.o(.dtors))
+    KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
+    KEEP (*(SORT(.dtors.*)))
+    KEEP (*(.dtors))
+  }
+  .jcr            : { KEEP (*(.jcr)) }
+  .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) 
*(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
+  . = DATA_SEGMENT_RELRO_END (0, .);
+  .data           :
+  {
+    _fdata = . ;
+    *(.data .data.* .gnu.linkonce.d.*)
+    KEEP (*(.gnu.linkonce.d.*personality*))
+    SORT(CONSTRUCTORS)
+  }
+  .data1          : { *(.data1) }
+  . = .;
+  _gp = ALIGN(16) + 0x7ff0;
+  .got            : { *(.got.plt) *(.got) }
+  /* We want the small data sections together, so single-instruction offsets
+     can access them all, and initialized data all before uninitialized, so
+     we can shorten the on-disk segment size.  */
+  .sdata          :
+  {
+    *(.sdata .sdata.* .gnu.linkonce.s.*)
+  }
+  .lit8           : { *(.lit8) }
+  .lit4           : { *(.lit4) }
+  _edata = .; PROVIDE (edata = .);
+  __bss_start = .;
+  _fbss = .;
+  .sbss           :
+  {
+    *(.dynsbss)
+    *(.sbss .sbss.* .gnu.linkonce.sb.*)
+    *(.scommon)
+  }
+  .bss            :
+  {
+   *(.dynbss)
+   *(.bss .bss.* .gnu.linkonce.b.*)
+   *(COMMON)
+   /* Align here to ensure that the .bss section occupies space up to
+      _end.  Align after .bss to ensure correct alignment even if the
+      .bss section disappears because there are no input sections.
+      FIXME: Why do we need it? When there is no .bss section, we don't
+      pad the .data section.  */
+   . = ALIGN(. != 0 ? 32 / 8 : 1);
+  }
+  . = ALIGN(32 / 8);
+  . = ALIGN(32 / 8);
+  _end = .; PROVIDE (end = .);
+  . = DATA_SEGMENT_END (.);
+  /* Stabs debugging sections.  */
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+  .stabstr       0 : { *(.stabstr) }
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+  .stab.indexstr 0 : { *(.stab.indexstr) }
+  .comment       0 : { *(.comment) }
+  /* DWARF debug sections.
+     Symbols in the DWARF debugging sections are relative to the beginning
+     of the section so we begin them at 0.  */
+  /* DWARF 1 */
+  .debug          0 : { *(.debug) }
+  .line           0 : { *(.line) }
+  /* GNU DWARF 1 extensions */
+  .debug_srcinfo  0 : { *(.debug_srcinfo) }
+  .debug_sfnames  0 : { *(.debug_sfnames) }
+  /* DWARF 1.1 and DWARF 2 */
+  .debug_aranges  0 : { *(.debug_aranges) }
+  .debug_pubnames 0 : { *(.debug_pubnames) }
+  /* DWARF 2 */
+  .debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
+  .debug_abbrev   0 : { *(.debug_abbrev) }
+  .debug_line     0 : { *(.debug_line) }
+  .debug_frame    0 : { *(.debug_frame) }
+  .debug_str      0 : { *(.debug_str) }
+  .debug_loc      0 : { *(.debug_loc) }
+  .debug_macinfo  0 : { *(.debug_macinfo) }
+  /* SGI/MIPS DWARF 2 extensions */
+  .debug_weaknames 0 : { *(.debug_weaknames) }
+  .debug_funcnames 0 : { *(.debug_funcnames) }
+  .debug_typenames 0 : { *(.debug_typenames) }
+  .debug_varnames  0 : { *(.debug_varnames) }
+  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
+  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
+  /DISCARD/ : { *(.note.GNU-stack) }
+}




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