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* target/10592: apcs frame causing register mishandling
@ 2003-05-01 23:56 ryan.pipkin
0 siblings, 0 replies; only message in thread
From: ryan.pipkin @ 2003-05-01 23:56 UTC (permalink / raw)
To: gcc-gnats
>Number: 10592
>Category: target
>Synopsis: apcs frame causing register mishandling
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: wrong-code
>Submitter-Id: net
>Arrival-Date: Thu May 01 23:56:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: Ryan Pipkin
>Release: gcc version 3.2.1
>Organization:
>Environment:
Compiler environment -
Mandrake 8.2
Solaris 2.8
same results on both.
target environment
arm-xinu-elf
>Description:
apcs32 defined scratch register and/or argument registers are being used after a function call without restoring from stack.
str ip, [fp, #-44]
bl strncpy
add r7, r9, #156
str r7, [ip, #540]
>How-To-Repeat:
Configured with: ../gcc-3.2.1/configure --target=arm-xinu-elf --prefix=/opt/INETagnu/arm-3.2.1-xinu --enable-languages=c,c++ --with-gnu-as --with-gnu-ld --with-newlib --with-gxx-include-dir=/opt/INETagnu/arm-3.2.1-xinu/arm-xinu-elf/include --without-fp -v
Command Line:
/opt/INETagnu/arm-3.2.1-xinu/bin/arm-xinu-elf-gcc -c -S -nostdinc -O3 -D__LIB_KAL_LEGACY__ -D__LITTLE_ENDIAN__ -D__XINU -mcpu=xscale -msoft-float -mapcs-32 -D__APIFIX -D__APPS3 -fno-rtti -fno-exceptions -fsigned-char -fno-builtin -DNEW_MANGLE -mno-thumb-interwork -b arm-xinu-elf -V 3.2.1 -I . -I /home/rlp/xscale/probe/v5/os/src/geoXinu/src/drivers/dev/pci/xscale -I /home/rlp/xscale/probe/v5/os/src/geoXinu/src/drivers/dev/pci/xscale/../i -I /home/rlp/xscale/probe/v5/os/src/geoXinu/src/drivers/dev/pci/xscale/../common -I /home/rlp/xscale/probe/v5/os/xscale-xinu/include -I /home/rlp/xscale/probe/v5/os/xscale-xinu/include/sys -I /home/rlp/xscale/probe/v5/os/xscale-xinu/include/apps3 -I /home/rlp/xscale/probe/v5/os/src/geoXinu/apps3-xscale/os -I /opt/INETagnu/arm-3.2.1-xinu/arm-xinu-elf/include -I /opt/INETagnu/arm-3.2.1-xinu/lib/gcc-lib/arm-xinu-elf/3.2.1/include -save-temps a.cc -o a.lst
>Fix:
use -mno-apcs-fram compiler option.
>Release-Note:
>Audit-Trail:
>Unformatted:
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2003-05-01 23:56 target/10592: apcs frame causing register mishandling ryan.pipkin
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