undefined reference to `_start', undefined reference to `_data'

Hi, I'm trying to compile a project using Keil and GNUARM. Compiler compiles .c file but linker writes: Build target 'Target 1' assembling Startup.s... compiling Serial.c... compiling Blinky.c....
undefined reference to `_start', undefined reference to `_data'

Hi, I'm trying to compile a project using Keil and GNUARM. Compiler compiles .c file but linker writes: Build target 'Target 1' assembling Startup.s... compiling Serial.c... compiling Blinky.c....
init_mempool()

Hai all, Is init_mempool() necessary to use malloc? how do we use init_mempool() ,when & where.Pls reply me. reg, yos
init_mempool()

Hai all, Is init_mempool() necessary to use malloc? how do we use init_mempool() ,when & where.Pls reply me. reg, yos
init_mempool warning

when compile below code, it will warning. Is there something wrong? man(void) { init_mempool(0, 100); } *** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS SEGMENT: ?C_INITSEG