Thanks for helping me John, here's the output
Sections from .o file:
There are 19 section headers, starting at offset 0x378b0:
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk
Inf Al
[ 0] NULL 00000000 000000 000000 00 0
0 0
[ 1] .text PROGBITS 00000000 000034 012162 00 AX 0
0 4
[ 2] .rel.text REL 00000000 0443d8 005f28 08 17
1 4
[ 3] .data PROGBITS 00000000 0121a0 0000c8 00 WA 0
0 32
[ 4] .rel.data REL 00000000 04a300 000048 08 17
3 4
[ 5] .bss NOBITS 00000000 012268 000000 00 WA 0
0 4
[ 6] .comment PROGBITS 00000000 012268 001fc4 00 0
0 1
[ 7] text.unlikely PROGBITS 00000000 01422c 01a8fc 00 AX 0
0 2
[ 8] .reltext.unlikely REL 00000000 04a348 0093a8 08 17
7 4
[ 9] .rodata PROGBITS 00000000 02eb40 0008ef 00 A 0
0 32
[10] .rel.rodata REL 00000000 0536f0 000e08 08 17
9 4
[11] text.hot PROGBITS 00000000 02f430 00005a 00 AX 0
0 2
[12] .reltext.hot REL 00000000 0544f8 000008 08 17
11 4
[13] .rodata.str1.4 PROGBITS 00000000 02f48c 0023ad 01 AMS 0
0 4
[14] .rodata.str1.32 PROGBITS 00000000 031840 005fd8 01 AMS 0
0 32
[15] .note.GNU-stack PROGBITS 00000000 037818 000000 00 0
0 1
[16] .shstrtab STRTAB 00000000 037818 000097 00 0
0 1
[17] .symtab SYMTAB 00000000 037ba8 006ac0 10 18
948 4
[18] .strtab STRTAB 00000000 03e668 005d6d 00 0
0 1
Key to Flags:
W (write), A (alloc), X (execute), M (merge), S (strings)
I (info), L (link order), G (group), x (unknown)
O (extra OS processing required) o (OS specific), p (processor specific)
Segments from executable:
Elf file type is EXEC (Executable file)
Entry point 0x84fd7d0
There are 8 program headers, starting at offset 52
Program Headers:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
PHDR 0x000034 0x08048034 0x08048034 0x00100 0x00100 R E 0x4
INTERP 0x000134 0x08048134 0x08048134 0x00013 0x00013 R 0x1
[Requesting program interpreter: /lib/ld-linux.so.2]
LOAD 0x000000 0x08048000 0x08048000 0x80d107c 0x80d107c R E
0x1000
LOAD 0x80d107c 0x1011a07c 0x1011a07c 0xe5544 0x116e1c RW 0x1000
DYNAMIC 0x80d10a8 0x1011a0a8 0x1011a0a8 0x00160 0x00160 RW 0x4
NOTE 0x000148 0x08048148 0x08048148 0x00020 0x00020 R 0x4
GNU_EH_FRAME 0x80d1004 0x10119004 0x10119004 0x0001c 0x0001c R 0x4
GNU_STACK 0x000000 0x00000000 0x00000000 0x00000 0x00000 RWE 0x4
Section to Segment mapping:
Segment Sections...
00
01 .interp
02 .interp .note.ABI-tag .hash .dynsym .dynstr .gnu.version
.gnu.version_
r .rel.dyn .rel.plt .init .plt .text text.unlikely text.hot .fini .rodata
.trace
.eh_frame_hdr .eh_frame
03 .ctors .dtors .jcr .dynamic .got .got.plt .data .data1 .bss
04 .dynamic
05 .note.ABI-tag
06 .eh_frame_hdr
07
Thanks,
Madhan.
On Wed, Aug 26, 2009 at 8:11 PM, John Reiser <jrei...@bitwagon.com> wrote:
> > When intel compiler is used with profiler guided optimization,
> > two new sections called "text.hot" and "text.unlikely" are
> > created by the compiler. This is on Linux x86 32 bit.
>
> Please show the relevant data from
> readelf --sections foo.o
> readelf --segments my_app
> for an ET_REL object file foo.o that has text.hot and/or text.unlikely,
> and for an ET_EXEC executable file my_app that is built from such objects.
>
> --
>
>
> ------------------------------------------------------------------------------
> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
> trial. Simplify your report design, integration and deployment - and focus
> on
> what you do best, core application coding. Discover what's new with
> Crystal Reports now. http://p.sf.net/sfu/bobj-july
> _______________________________________________
> Valgrind-users mailing list
> Valgrind-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/valgrind-users
>
------------------------------------------------------------------------------
Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day
trial. Simplify your report design, integration and deployment - and focus on
what you do best, core application coding. Discover what's new with
Crystal Reports now. http://p.sf.net/sfu/bobj-july
_______________________________________________
Valgrind-users mailing list
Valgrind-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/valgrind-users
