[Bug c/37283] New: Cannot build crtbegin.o for ARM

[Bug c/37283] New: Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

GCC (SVN trunk 139772) generates code that GNU as (Binutils 2.18.50.20080827)
refuses to assemble:

T=`${PWDCMD-pwd}`/ \
        && cd ../.././gcc \
        && make GCC_FOR_TARGET="/home/arm/build/gcc/./gcc/xgcc
-B/home/arm/build/gcc/./gcc/ -B/home/arm/install/arm-elf/bin/
-B/home/arm/install/arm-elf/lib/ -isystem /home/arm/install/arm-elf/include
-isystem /home/arm/install/arm-elf/sys-include" \
          MULTILIB_CFLAGS="-g -O2" \
          T=$T \
          T_TARGET="${T}crtbegin.o ${T}crtend.o ${T}crti.o ${T}crtn.o" \
          T_TARGET
make[3]: Entering directory `/home/arm/build/gcc/gcc'
/home/arm/build/gcc/./gcc/xgcc -B/home/arm/build/gcc/./gcc/
-B/home/arm/install/arm-elf/bin/ -B/home/arm/install/arm-elf/lib/ -isystem
/home/arm/install/arm-elf/include -isystem
/home/arm/install/arm-elf/sys-include -O2 -g -O2 -DIN_GCC
-DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wstrict-prototypes
-Wmissing-prototypes -Wcast-qual -Wold-style-definition  -isystem ./include 
-I. -I/home/arm/build/gcc/arm-elf/libgcc -I/home/sam/Dev/gcc/gcc
-I/home/sam/Dev/gcc/gcc//home/arm/build/gcc/arm-elf/libgcc
-I/home/sam/Dev/gcc/gcc/../include -I/home/sam/Dev/gcc/gcc/../libcpp/include 
-I/home/sam/Dev/gcc/gcc/../libdecnumber
-I/home/sam/Dev/gcc/gcc/../libdecnumber/dpd -I../libdecnumber -g -O2 -g0
-finhibit-size-directive -fno-inline-functions -fno-exceptions
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize
-Dinhibit_libc  \
          -c /home/sam/Dev/gcc/gcc/crtstuff.c -DCRT_BEGIN \
          -o /home/arm/build/gcc/arm-elf/libgcc/crtbegin.o
/tmp/ccSpvfmn.s: Assembler messages:
/tmp/ccSpvfmn.s:47: Error: can't resolve `__DTOR_END__' {*UND* section} -
`.LANCHOR1' {.data section}
make[3]: *** [/home/arm/build/gcc/arm-elf/libgcc/crtbegin.o] Error 1


-- 
           Summary: Cannot build crtbegin.o for ARM
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Keywords: assemble-failure
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: sam at gcc dot gnu dot org
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: arm-elf


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug c/37283] Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

------- Comment #1 from sam at gcc dot gnu dot org  2008-08-29 20:37 -------
Created an attachment (id=16166)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=16166&action=view)
crtstuff.s produced by GCC


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pbrook at gcc dot gnu dot
                   |                            |org
          Component|c                           |target
            Summary|Cannot build crtbegin.o for |[4.4 Regression] Cannot
                   |ARM                         |build crtbegin.o for ARM
   Target Milestone|---                         |4.4.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2008-08-29 20:48 -------
First the back-end does not disable section anchors for -fno-toplevel-reorder
so that is being produced.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

------- Comment #3 from sam at gcc dot gnu dot org  2008-08-29 22:53 -------
Right. There are two problems indeed, fix is being tested.


-- 

sam at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |sam at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2008-08-29 22:53:08
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

------- Comment #4 from sam at gcc dot gnu dot org  2008-08-30 13:45 -------
Subject: Bug 37283

Author: sam
Date: Sat Aug 30 13:44:22 2008
New Revision: 139803

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139803
Log:
    gcc/
        PR target/37283
        * config/arm/arm.c (arm_optimization_options): Set
        flag_section_anchors to 2 instead of 1 to distinguish it from
        -fsection-anchors given explicitely on the command line.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/arm/arm.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

------- Comment #5 from sam at gcc dot gnu dot org  2008-09-02 16:24 -------
Subject: Bug 37283

Author: sam
Date: Tue Sep  2 16:23:29 2008
New Revision: 139892

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=139892
Log:
    gcc/
        PR target/37283
        * opts.c (decode_options): Move processing of -fno-unit-at-a-time
        and -fno-toplevel-reorder after handle_options.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/opts.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[sam at gcc dot gnu dot org]

------- Comment #6 from sam at gcc dot gnu dot org  2008-09-02 16:25 -------
This is fixed in SVN trunk.


-- 

sam at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283

[Bug target/37283] [4.4 Regression] Cannot build crtbegin.o for ARM

[janis at gcc dot gnu dot org]

------- Comment #7 from janis at gcc dot gnu dot org  2008-09-05 17:15 -------
Subject: Bug 37283

Author: janis
Date: Fri Sep  5 17:13:52 2008
New Revision: 140040

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140040
Log:
        PR target/37283
        * opts.c (decode_options): Handle more relationships among
        unit-at-a-time, toplevel-reorder, and section-anchors.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/opts.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37283