Bare Bones Blinky Memory Map (no mbed, but using mbed tools to analyze the map)

output.txt

python mbed-os/tools/memap.py -t GCC_ARM -d ~/work/github/wdwalker/BBB/Release/BBB.map 
+----------------------------------+-------+-------+------+
| Module                           | .text | .data | .bss |
+----------------------------------+-------+-------+------+
| Misc/crt0.o                      |   116 |     0 |    0 |
| Misc/crtbegin.o                  |   108 |     8 |   28 |
| Misc/crtend.o                    |     4 |     4 |    0 |
| Misc/crti.o                      |     8 |     0 |    0 |
| Misc/crtn.o                      |    16 |     0 |    0 |
| Misc/libc_nano.a(lib_a-exit.o)   |    40 |     0 |    0 |
| Misc/libc_nano.a(lib_a-impure.o) |     4 |    96 |    0 |
| Misc/libc_nano.a(lib_a-init.o)   |    72 |     0 |    0 |
| Misc/libc_nano.a(lib_a-memset.o) |    16 |     0 |    0 |
| Misc/libnosys.a(_exit.o)         |     4 |     0 |    0 |
| Misc/main.o                      |   160 |     0 |    4 |
| Misc/startup_ARMCM3.o            |   252 |     0 |    0 |
| Misc/system_LPC17xx.o            |   180 |     4 |    0 |
| Subtotals                        |   980 |   112 |   32 |
+----------------------------------+-------+-------+------+
Allocated Heap: 3072 bytes
Allocated Stack: 1024 bytes
Total Static RAM memory (data + bss): 144 bytes
Total RAM memory (data + bss + heap + stack): 4240 bytes
Total Flash memory (text + data + misc): 1092 bytes