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other/10415: problem with stack
- From: b dot grzes at interia dot pl
- To: gcc-gnats at gcc dot gnu dot org
- Date: 15 Apr 2003 18:04:56 -0000
- Subject: other/10415: problem with stack
- Reply-to: b dot grzes at interia dot pl
>Number: 10415
>Category: other
>Synopsis: problem with stack
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: wrong-code
>Submitter-Id: net
>Arrival-Date: Tue Apr 15 18:06:01 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: Grzegorz Bieda
>Release: Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2/specs
>Organization:
>Environment:
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --host=i386-redhat-linux --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)
>Description:
char buf[1], char buf[2], char buf[4] allocate on the stack 4 bytes:
pushl %ebp
movl %esp, %ebp
subl $4, %esp
char buf[3], char buf[5], ... char buf[7] allocate 24 bytes
pushl %ebp
movl %esp, %ebp
subl $24, %esp
char buf[8] alloocate 8 bytes:
pushl %ebp
movl %esp, %ebp
subl $8, %esp
I compile program with option -S.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --host=i386-redhat-linux --with-system-zlib --enable-__cxa_atexit
Thread model: posix
gcc version 3.2 20020903 (Red Hat Linux 8.0 3.2-7)
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