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specify an function to absolute address and LMA equ VMA http://forum.andestech.com/viewtopic.php?f=25&t=911 |
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Author: | maolj [ Mon Jan 12, 2015 12:14 pm ] | ||
Post subject: | specify an function to absolute address and LMA equ VMA | ||
specify an function to absolute address and LMA equ VMA c code: Code: /* * patchprog.c * */ int func2(int) __attribute__ ((section (".FUNC_PATCH"))); int func2(int x){ return x*100; } int main() { func2(100); return 0; } sag code: Code: USER_SECTIONS .FUNC_PATCH REG1 0x0 0x10000 { EXEC1 0x0 0x10000 { * (+RO, +RW, +ZI) STACK = 0x3000000 } } REG2 0x500020 0x1000 { EXEC2 0x500020 0x1000 { * (.FUNC_PATCH) } } Execute nds_ldsag.exe Code: $ /cygdrive/d/Andestech/AndeSight201MCU/utils/nds_ldsag.exe lma_eq_vma.sag -o lma_eq_vma.ld The output file is placed "lma_eq_vma.ld" result : Sections: Idx Name Size VMA LMA File off Algn 0 .nds32_init 00000002 00000000 00000000 00001000 2**0 CONTENTS, ALLOC, LOAD, READONLY, CODE 1 .init 00000004 00000002 00000002 00001002 2**0 CONTENTS, ALLOC, LOAD, READONLY, CODE 2 .text 00000100 00000008 00000008 00001008 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 3 .ex9.itable 00000004 00000108 00000108 00001108 2**2 CONTENTS, ALLOC, LOAD, READONLY, CODE 4 .eh_frame 00000004 00000120 00000120 00001120 2**2 CONTENTS, ALLOC, LOAD, DATA 5 .ctors 00000004 00000124 00000124 00001124 2**2 CONTENTS, ALLOC, LOAD, DATA 6 .dtors 00000004 00000128 00000128 00001128 2**2 CONTENTS, ALLOC, LOAD, DATA 7 .jcr 00000004 0000012c 0000012c 0000112c 2**2 CONTENTS, ALLOC, LOAD, DATA 8 .FUNC_PATCH 0000000e 00500020 00500020 00002020 2**1 CONTENTS, ALLOC, LOAD, READONLY, CODE
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