gistfile1.txt

Test program:
#include <stdio.h>

int main(void) {
        printf("Hello world!\n");
        return 0;
}

Diff of GCC and G++ assembler output (for GCC 4.3.3):
--- test-c.s    2009-04-06 23:16:02.000000000 -0400
+++ test-cpp.s  2009-04-06 23:16:08.000000000 -0400
@@ -1,4 +1,4 @@
-       .file   "test.c"
+       .file   "test.cc"
        .section        .rodata
 .LC0:
        .string "Hello world!"
@@ -6,13 +6,20 @@
 .globl main
        .type   main, @function
 main:
+.LFB2:
        leal    4(%esp), %ecx
+.LCFI0:
        andl    $-16, %esp
        pushl   -4(%ecx)
+.LCFI1:
        pushl   %ebp
+.LCFI2:
        movl    %esp, %ebp
+.LCFI3:
        pushl   %ecx
+.LCFI4:
        subl    $4, %esp
+.LCFI5:
        movl    $.LC0, (%esp)
        call    puts
        movl    $0, %eax
@@ -21,6 +28,64 @@
        popl    %ebp
        leal    -4(%ecx), %esp
        ret
+.LFE2:
        .size   main, .-main
+       .section        .eh_frame,"a",@progbits
+.Lframe1:
+       .long   .LECIE1-.LSCIE1
+.LSCIE1:
+       .long   0x0
+       .byte   0x1
+.globl __gxx_personality_v0
+       .string "zP"
+       .uleb128 0x1
+       .sleb128 -4
+       .byte   0x8
+       .uleb128 0x5
+       .byte   0x0
+       .long   __gxx_personality_v0
+       .byte   0xc
+       .uleb128 0x4
+       .uleb128 0x4
+       .byte   0x88
+       .uleb128 0x1
+       .align 4
+.LECIE1:
+.LSFDE1:
+       .long   .LEFDE1-.LASFDE1
+.LASFDE1:
+       .long   .LASFDE1-.Lframe1
+       .long   .LFB2
+       .long   .LFE2-.LFB2
+       .uleb128 0x0
+       .byte   0x4
+       .long   .LCFI0-.LFB2
+       .byte   0xc
+       .uleb128 0x1
+       .uleb128 0x0
+       .byte   0x9
+       .uleb128 0x4
+       .uleb128 0x1
+       .byte   0x4
+       .long   .LCFI1-.LCFI0
+       .byte   0xc
+       .uleb128 0x4
+       .uleb128 0x4
+       .byte   0x4
+       .long   .LCFI2-.LCFI1
+       .byte   0xe
+       .uleb128 0x8
+       .byte   0x85
+       .uleb128 0x2
+       .byte   0x4
+       .long   .LCFI3-.LCFI2
+       .byte   0xd
+       .uleb128 0x5
+       .byte   0x4
+       .long   .LCFI4-.LCFI3
+       .byte   0x84
+       .uleb128 0x3
+       .align 4
+.LEFDE1:
        .ident  "GCC: (Debian 4.3.3-3) 4.3.3"
        .section        .note.GNU-stack,"",@progbits