Example
The symbol table of a small program is listed below. The table itself was generated using the GNU binutils' nm utility. There is one data symbol, (noted by the "D" type), and many functions (self defined as well as from the standard library). The first column is where the symbol is located in the memory, the second is "The symbol type" and the third is the name of the symbol. By passing suitable parameters, the symbol table was made to sort on basis of address.
| Address | Type | Name |
|---|---|---|
| 00000020 | a | T_BIT |
| 00000040 | a | F_BIT |
| 00000080 | a | I_BIT |
| 20000004 | t | irqvec |
| 20000008 | t | fiqvec |
| 2000000c | t | InitReset |
| 20000018 | T | _main |
| 20000024 | t | End |
| 20000030 | T | AT91F_US3_CfgPIO_useB |
| 2000005c | t | AT91F_PIO_CfgPeriph |
| 200000b0 | T | main |
| 20000120 | T | AT91F_DBGU_Printk |
| 20000190 | t | AT91F_US_TxReady |
| 200001c0 | t | AT91F_US_PutChar |
| 200001f8 | T | AT91F_SpuriousHandler |
| 20000214 | T | AT91F_DataAbort |
| 20000230 | T | AT91F_FetchAbort |
| 2000024c | T | AT91F_Undef |
| 20000268 | T | AT91F_UndefHandler |
| 20000284 | T | AT91F_LowLevelInit |
| 200002e0 | t | AT91F_DBGU_CfgPIO |
| 2000030c | t | AT91F_PIO_CfgPeriph |
| 20000360 | t | AT91F_US_Configure |
| 200003dc | t | AT91F_US_SetBaudrate |
| 2000041c | t | AT91F_US_Baudrate |
| 200004ec | t | AT91F_US_SetTimeguard |
| 2000051c | t | AT91F_PDC_Open |
| 2000059c | t | AT91F_PDC_DisableRx |
| 200005c8 | t | AT91F_PDC_DisableTx |
| 200005f4 | t | AT91F_PDC_SetNextTx |
| 20000638 | t | AT91F_PDC_SetNextRx |
| 2000067c | t | AT91F_PDC_SetTx |
| 200006c0 | t | AT91F_PDC_SetRx |
| 20000704 | t | AT91F_PDC_EnableRx |
| 20000730 | t | AT91F_PDC_EnableTx |
| 2000075c | t | AT91F_US_EnableTx |
| 20000788 | T | __aeabi_uidiv |
| 20000788 | T | __udivsi3 |
| 20000884 | T | __aeabi_uidivmod |
| 2000089c | T | __aeabi_idiv0 |
| 2000089c | T | __aeabi_ldiv0 |
| 2000089c | T | __div0 |
| 200009a0 | D | _data |
| 200009a0 | A | _etext |
| 200009a0 | D | holaamigosh |
| 200009a4 | A | __bss_end__ |
| 200009a4 | A | __bss_start |
| 200009a4 | A | __bss_start__ |
| 200009a4 | A | _edata |
| 200009a4 | A | _end |
Read more about this topic: Symbol Table
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