[Bug translator/2910] New: TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[Bug translator/2910] New: TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[hien at us dot ibm dot com]

{standard input}:1001672: Error: operand out of range (0x0000000000009fa8 is not
between 0xffffffffffff8000 and 0x0000000000007fff)
{standard input}:1004851: Error: operand out of range (0x0000000000009f98 is not
between 0xffffffffffff8000 and 0x0000000000007fff)
{standard input}:1008137: Error: operand out of range (0x0000000000009fb0 is not
between 0xffffffffffff8000 and 0x0000000000007fff)

Frank investigated this problem early on (see the thread below)
http://sources.redhat.com/ml/systemtap/2006-q2/msg00333.html

but apparently adding -fminimal-toc does not help.

-- 
           Summary: TOC overflow- stap failed to build
                    testsuite/systemtap.syscall/sys.stp on ppc64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hien at us dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2910

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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2006-07-12 19:54 -------
As I recall, -fminimal-toc was not a complete cure because elsewhere in CFLAGS
there was a -Os.  -Os apparently conflicts with -fminimal-toc.  We could analyze
this further if you were to generate a "CFLAGS+=-fverbose-asm -save-temps"
assembly source file, and paste the few dozen lines into an attachment here. 
They should identify the final set of optimization/machine flags.

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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[hien at us dot ibm dot com]

------- Additional Comments From hien at us dot ibm dot com  2006-07-12 21:15 -------
Created an attachment (id=1155)
 --> (http://sourceware.org/bugzilla/attachment.cgi?id=1155&action=view)
assembly source

Attached is the top few dozens lines of the assembly source. 


-- 


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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2006-07-12 23:21 -------
hien supplied this corresponding gcc command line:

 gcc -m64 -Wp,-MD,/tmp/stap8c45vL/.stap_6224.o.d -nostdinc -iwithprefix
include -D__KERNEL__ -Iinclude  -Wall -Wstrict-prototypes -Wno-trigraphs
-fno-strict-aliasing -fno-common -Os -g -Wdeclaration-after-statement
-msoft-float -pipe -mminimal-toc -mtraceback=none -mcall-aixdesc
-mtune=power4 -fno-unit-at-a-time -freorder-blocks -Wno-unused -Werror
-I"/root/stap_testing_200607102240/src/runtime"   -DMODULE
-DKBUILD_BASENAME=stap_6224 -DKBUILD_MODNAME=stap_6224 -c -o
/tmp/stap8c45vL/.tmp_stap_6224.o /tmp/stap8c45vL/stap_6224.c

It indicates that the -mfull-toc and -mtoc that appear in the attached
verbose-asm source file do not come directly from the kernel makefiles.

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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[guanglei at cn dot ibm dot com]

------- Additional Comments From guanglei at cn dot ibm dot com  2006-10-12 13:17 -------
This is a thread discussing the same error, it's easy to reproduce on ppc64:
http://sources.redhat.com/ml/systemtap/2006-q4/msg00079.html


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |critical
           Priority|P2                          |P1


http://sourceware.org/bugzilla/show_bug.cgi?id=2910

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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[fche at redhat dot com]

------- Additional Comments From fche at redhat dot com  2006-10-12 15:30 -------
This will improve with the impending group-registration code.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
   Last reconfirmed|0000-00-00 00:00:00         |2006-10-12 15:30:51
               date|                            |


http://sourceware.org/bugzilla/show_bug.cgi?id=2910

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[Bug translator/2910] TOC overflow- stap failed to build testsuite/systemtap.syscall/sys.stp on ppc64

[fche at redhat dot com]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|systemtap at sources dot    |fche at redhat dot com
                   |redhat dot com              |


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