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objdump : inaccurate demangling for foo(char* const)
- From: "Alex Vinokur" <alexvn at connect dot to>
- To: cygwin at cygwin dot com
- Date: Fri, 19 Sep 2003 06:37:44 +0300
- Subject: objdump : inaccurate demangling for foo(char* const)
==========================================
Windows 2000 Professional
CYGWIN_NT-5.0 1.5.4(0.94/3/2)
GNU gcc version 3.2 20020927 (prerelease)
GNU objdump 2.14.90 20030901
==========================================
It seems that objdump inaccurately demangles foo(char* const).
Low-level symbol name of foo(char* const) is valid : __Z3fooPc
But user-level symbol name obtained after demangling is inaccurate : foo(char*).
====== C++ code : BEGIN ======
// File t.cpp
void foo3 (char*) {}
====== C++ code : END ========
====== Compilation : BEGIN ======
$ g++ -c t.cpp
====== Compilation : END ========
====== objdump : BEGIN ======
$ objdump -d t.o
t.o: file format pe-i386
Disassembly of section .text:
00000000 <__Z3fooPc>: // OK
0: 55 push %ebp
1: 89 e5 mov %esp,%ebp
3: 5d pop %ebp
4: c3 ret
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
$ objdump -Cd t.o
t.o: file format pe-i386
Disassembly of section .text:
00000000 <foo(char*)>: // Must be foo(char* const)
0: 55 push %ebp
1: 89 e5 mov %esp,%ebp
3: 5d pop %ebp
4: c3 ret
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
====== objdump : END ========
--
=====================================
Alex Vinokur
mailto:alexvn@connect.to
http://mathforum.org/library/view/10978.html
=====================================
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