FÖLDY Lajos wrote:
>
> 'gpp -S -fverbose-asm test.cpp' (adds variable names) or
> 'gpp -c -g test.cpp && objdump -S -d -l test.o' (adds source lines)
>
It makes strange output. Some parts of output contain only source without
code
int main()
{
try{
Ta_ptr tmp;
tmp=new char[100];
#ifdef MY_DBG
printf("%p->%p\n",&tmp, tmp(0) );
#endif
...
but late placed code with links to corect lines, without source and external
names
00000180 <_main>:
main():
test.cpp:206 (this is "int main()")
180: 8d 4c 24 04 lea 0x4(%esp),%ecx
184: 83 e4 f0 and $0xfffffff0,%esp
187: ff 71 fc pushl 0xfffffffc(%ecx)
18a: 55 push %ebp
18b: 89 e5 mov %esp,%ebp
18d: 56 push %esi
18e: 53 push %ebx
18f: 51 push %ecx
190: 83 ec 1c sub $0x1c,%esp
test.cpp:210 (this is "tmp=new char[100];")
193: 83 ec 08 sub $0x8,%esp
196: 6a 00 push $0x0
198: 8d 45 e4 lea 0xffffffe4(%ebp),%eax
19b: 50 push %eax
19c: e8 5f fe ff ff call 0 <.text>
(no extern name given - 0 <.text>)
...
There are some troubles
1. no extern name given
2. hard to filter the output from useless copy of sources
Probably 'gpp -c -g test.cpp && objdump -S -d -l test.o' works only for C
functions, not for C++.
--
Maksim A. Polyanin
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