[llvmlinux] [LLVMLinux] Regression: rev 208833/208834 break linux kernel build in ASM handling

Eric Christopher echristo at gmail.com
Fri May 16 16:14:39 UTC 2014


I'll look.
On May 16, 2014 8:01 AM, "Jan-Simon Möller" <dl9pf at gmx.de> wrote:

> The unrecognized junk is (path shortened, so don't worry):
>
> .Ldebug_range:
>         .file   1 "/src/linux/include/linux" "export.h"
>         .file   2 "/src/linux/init" "main.c"
>         .file   3 "/src/linux/include/linux" "types.h"
>         .file   4 "/src/linux/include/linux" "init.h"
>         .file   5 "/src/linux/include/linux" "moduleparam.h"
>         .file   6 "/src/linux/include/asm-generic" "int-ll64.h"
>         .file   7 "/src/linux/include/linux" "kernel.h"
>         .file   8 "/src/linux/include/linux" "completion.h"
>         .file   9 "/src/linux/arch/arm/include/asm" "spinlock_types.h"
>         .file   10 "/src/linux/include/linux" "spinlock_types.h"
>         .file   11 "/src/linux/include/linux" "wait.h"
>         .file   12 "/src/linux/include/asm-generic" "preempt.h"
>         .file   13 "/src/linux/arch/arm/include/asm" "thread_info.h"
>         .file   14 "/src/linux/include/linux" "sched.h"
>         .file   15 "/src/linux/include/linux" "llist.h"
>         .file   16 "/src/linux/include/linux" "rbtree.h"
>         .file   17 "/src/linux/include/linux" "timerqueue.h"
>         .file   18 "/src/linux/include/linux" "ktime.h"
>         .file   19 "/src/linux/include/linux" "hrtimer.h"
>         .file   20 "/src/linux/include/uapi/asm-generic" "posix_types.h"
>         .file   21 "/src/linux/include/linux" "cpumask.h"
>         .file   22 "/src/linux/include/linux" "plist.h"
>         .file   23 "/src/linux/include/linux" "mm_types.h"
>         .file   24 "/src/linux/arch/arm/include/asm"
> "pgtable-2level-types.h"
>         .file   25 "/src/linux/include/linux" "rmap.h"
>         .file   26 "/src/linux/include/uapi/asm-generic" "int-ll64.h"
>         .file   27 "/src/linux/include/linux" "rwsem-spinlock.h"
>         .file   28 "/src/linux/include/linux" "mm.h"
>         .file   29 "/src/linux/include/linux" "fs.h"
>         .file   30 "/src/linux/include/linux" "uidgid.h"
>         .file   31 "/src/linux/include/linux" "dcache.h"
>         .file   32 "/src/linux/include/linux" "seqlock.h"
>         .file   33 "/src/linux/include/linux" "list_bl.h"
>         .file   34 "/src/linux/include/linux" "lockref.h"
>         .file   35 "/src/linux/include/linux" "path.h"
>         .file   36 "/src/linux/include/linux" "module.h"
>         .file   37 "/src/linux/include/linux" "kobject.h"
>         .file   38 "/src/linux/include/linux" "sysfs.h"
>         .file   39 "/src/linux/include/linux" "kobject_ns.h"
>         .file   40 "/src/linux/include/linux" "kernfs.h"
>         .file   41 "/src/linux/include/linux" "idr.h"
>         .file   42 "/src/linux/include/linux" "seq_file.h"
>         .file   43 "/src/linux/include/linux" "mutex.h"
>         .file   44 "/src/linux/include/linux" "poll.h"
>         .file   45 "/src/linux/include/linux" "pid.h"
>         .file   46 "/src/linux/include/linux" "kref.h"
>         .file   47 "/src/linux/include/linux" "pid_namespace.h"
>         .file   48 "/src/linux/include/linux" "slub_def.h"
>         .file   49 "/src/linux/include/asm-generic" "atomic-long.h"
>         .file   50 "/src/linux/include/linux" "workqueue.h"
>         .file   51 "/src/linux/include/linux" "nfs_fs_i.h"
>         .file   52 "/src/linux/include/linux" "rwlock_types.h"
>         .file   53 "/src/linux/include/linux" "cred.h"
>         .file   54 "/src/linux/include/linux" "capability.h"
>         .file   55 "/src/linux/arch/arm/include/asm" "uaccess.h"
>         .file   56 "/src/linux/arch/arm/include/asm" "module.h"
>         .file   57 "/src/linux/include/asm-generic" "bug.h"
>         .file   58 "/src/linux/include/uapi/linux" "elf.h"
>         .file   59 "/src/linux/include/linux" "lockdep.h"
>         .file   60 "/src/linux/include/linux" "writeback.h"
>         .file   61 "/src/linux/include/linux" "quota.h"
>         .file   62 "/src/linux/include/linux" "projid.h"
>         .file   63 "/src/linux/include/uapi/linux" "quota.h"
>         .file   64 "/src/linux/include/uapi/linux" "dqblk_xfs.h"
>         .file   65 "/src/linux/include/linux" "xattr.h"
>         .file   66 "/src/linux/include/linux" "genhd.h"
>         .file   67 "/src/linux/include/linux" "device.h"
>         .file   68 "/src/linux/include/linux" "pm.h"
>         .file   69 "/src/linux/include/linux" "pm_wakeup.h"
>         .file   70 "/src/linux/include/linux" "timer.h"
>         .file   71 "/src/linux/arch/arm/include/asm" "device.h"
>         .file   72 "/src/linux/include/linux" "klist.h"
>         .file   73 "/src/linux/include/linux" "blkdev.h"
>         .file   74 "/src/linux/include/linux" "smp.h"
>         .file   75 "/src/linux/include/linux" "blk_types.h"
>         .file   76 "/src/linux/include/linux" "bio.h"
>         .file   77 "/src/linux/include/linux" "mempool.h"
>         .file   78 "/src/linux/include/linux" "iocontext.h"
>         .file   79 "/src/linux/include/linux" "radix-tree.h"
>         .file   80 "/src/linux/include/linux" "elevator.h"
>         .file   81 "/src/linux/include/linux" "backing-dev.h"
>         .file   82 "/src/linux/include/linux" "percpu_counter.h"
>         .file   83 "/src/linux/include/linux" "flex_proportions.h"
>         .file   84 "/src/linux/include/linux" "shrinker.h"
>         .file   85 "/src/linux/include/linux" "nodemask.h"
>         .file   86 "/src/linux/include/linux" "list_lru.h"
>         .file   87 "/src/linux/include/uapi/linux" "time.h"
>         .file   88 "/src/linux/include/linux" "stat.h"
>         .file   89 "/src/linux/include/uapi/linux" "fiemap.h"
>         .file   90 "/src/linux/include/linux" "cdev.h"
>         .file   91 "/src/linux/include/linux" "migrate_mode.h"
>         .file   92 "/src/linux/include/linux" "swap.h"
>         .file   93 "/src/linux/arch/arm/include/asm" "atomic.h"
>         .file   94 "/src/linux/arch/arm/include/asm" "mmu.h"
>         .file   95 "/src/linux/include/linux" "uprobes.h"
>         .file   96 "/src/linux/include/asm-generic" "cputime_jiffies.h"
>         .file   97 "/src/linux/include/linux" "sem.h"
>         .file   98 "/src/linux/arch/arm/include/asm" "processor.h"
>         .file   99 "/src/linux/include/linux" "perf_event.h"
>         .file   100 "/src/linux/include/asm-generic" "local64.h"
>         .file   101 "/src/linux/include/uapi/linux" "perf_event.h"
>         .file   102 "/src/linux/arch/arm/include/asm" "hw_breakpoint.h"
>         .file   103 "/src/linux/include/linux" "irq_work.h"
>         .file   104 "/src/linux/arch/arm/include/asm" "ptrace.h"
>         .file   105 "/src/linux/include/linux" "nsproxy.h"
>         .file   106 "/src/linux/include/linux" "signal.h"
>         .file   107 "/src/linux/arch/arm/include/asm" "signal.h"
>         .file   108 "/src/linux/include/linux" "tty.h"
>         .file   109 "/src/linux/include/linux" "tty_driver.h"
>         .file   110 "/src/linux/include/uapi/asm-generic" "termbits.h"
>         .file   111 "/src/linux/include/uapi/asm-generic" "termios.h"
>         .file   112 "/src/linux/include/uapi/linux" "termios.h"
>         .file   113 "/src/linux/include/linux" "tty_ldisc.h"
>         .file   114 "/src/linux/include/linux" "task_io_accounting.h"
>         .file   115 "/src/linux/include/uapi/linux" "resource.h"
>         .file   116 "/src/linux/include/uapi/asm-generic" "signal-defs.h"
>         .file   117 "/src/linux/include/linux" "seccomp.h"
>         .file   118 "/src/linux/include/uapi/asm-generic" "siginfo.h"
>         .file   119 "/src/linux/include/linux" "cgroup.h"
>         .file   120 "/src/linux/include/linux" "percpu-refcount.h"
>         .file   121 "/src/linux/arch/arm/include/asm" "fpstate.h"
>         .file   122 "/src/linux/include/linux" "thread_info.h"
>         .file   123 "/src/linux/include/uapi/asm-generic" "poll.h"
>         .file   124 "/src/linux/include/linux" "rcupdate.h"
>         .file   125 "/src/linux/include/linux" "mempolicy.h"
>         .file   126 "/src/linux/include/linux" "kmod.h"
>         .file   127 "/src/linux/include/linux" "cpuset.h"
>         .file   128 "/src/linux/include/linux" "spinlock.h"
>         .file   129 "/src/linux/include/linux" "spinlock_api_smp.h"
>         .file   130 "/src/linux/arch/arm/include/asm" "spinlock.h"
>         .file   131 "/src/linux/arch/arm/include/asm" "irqflags.h"
>         .file   132 "/src/linux/include/linux" "ftrace.h"
>         .file   133 "/src/linux/include/linux" "efi.h"
>         .file   134 "/src/linux/include/linux" "sfi.h"
>         .file   135 "/src/linux/include/linux" "delayacct.h"
>         .file   136 "/src/linux/include/linux" "taskstats_kern.h"
>         .file   137 "/src/linux/include/linux" "security.h"
>         .file   138 "/src/linux/include/linux" "acpi.h"
>         .file   139 "/src/linux/include/linux" "kmemleak.h"
>         .file   140 "/src/linux/include/linux" "debugobjects.h"
>         .file   141 "/src/linux/include/linux" "page_cgroup.h"
>         .file   142 "/src/linux/include/linux" "context_tracking.h"
>         .file   143 "/src/linux/include/linux" "tick.h"
>         .file   144 "/src/linux/include/linux" "jump_label.h"
>         .file   145 "/src/linux/include/linux" "bootmem.h"
>         .file   146 "/src/linux/include/linux" "stackprotector.h"
>         .file   147 "/src/linux/include/linux" "mmzone.h"
>         .file   148 "/src/linux/include/linux" "memory_hotplug.h"
>         .file   149 "/src/linux/include/linux" "stddef.h"
>         .file   150 "/src/linux/include/linux" "cpu.h"
>
>
> --
>
> Dipl.-Ing.
> Jan-Simon Möller
>
> jansimon.moeller at gmx.de
> Am Freitag, 16. Mai 2014, 16:32:48 schrieb Jan-Simon Möller:
> > Hi !
> >
> > I reproduced it on the file init/main.c
> >
> > The invocation, log and main.i / main.s is attached.
> >
> > > On 16 May 2014 14:01, Jan-Simon Möller <dl9pf at gmx.de> wrote:
> > > > A bisection points to
> > > >
> > > >     git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208833
> > > >     git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208834
> > >
> > > Hi Jan,
> > >
> > > These commits really seem to have no impact whatsoever (default is
> > > still false, no changes in default command line options).
> > >
> > > > --- snip ---
> > > > /tmp/vfpmodule-0d3341.s: Assembler messages:
> > > > /tmp/vfpmodule-0d3341.s:64: Error: junk at end of line, first
> > > > unrecognized
> > > > character is `"'
> > > > /tmp/vfpmodule-0d3341.s:65: Error: junk at end of line, first
> > > > unrecognized
> > > > character is `"'
> > > > /tmp/vfpmodule-0d3341.s:66: Error: junk at end of line, first
> > > > unrecognized
> > > > character is `"'
> > > > --- snip ---
> > >
> > > Can you send the contents of the temporary ASM file, so we have an
> > > idea what's the offending junk?
> > >
> > > cheers,
> > > --renato
>
>
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