I am using Keil tools.
My program is mied asm and C files.
One of the C file contains interrupts like:
void timer_2_int (void)interrupt 5
{
.
}

void timer_3_int (void)interrupt 14
{
.
}

while compiling, there is no error
When build, all interrupts are ignored.
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?TIMER_2_INT?HARDWARE_DRIVER

Same files in other projects works well

Thanks and warm regards to all
Vimal Amin