On Mon, Apr 8, 2019 at 4:29 AM Robert P. J. Day <[email protected]> wrote: > > > i'm doing this in the context of building for ARM with a linaro > toolchain, but i'm sure it's equally valid in the context of a native > build. > > i'm trying to generate the same output as u-boot.map, but more > condensed and with each symbol associated with its original source > file (if that's even possible). > > for example, there are a couple weak symbols in board_f.c: > > __weak int arch_cpu_init(void) > { > return 0; > } > > __weak int mach_cpu_init(void) > { > return 0; > } > > so depending on the target board, the final included version of such a > routine might come from board_f.c, or it might be overridden at the > board level. > > you can sort of see this in u-boot.map: > > .text.arch_cpu_init > 0x0000000000000000 0x8 common/built-in.o > > ... > .text.mach_cpu_init > 0x0000000004011cac 0x8 common/built-in.o > 0x0000000004011cac mach_cpu_init > > except i was hoping to be able to list included symbols by their > *original* source file, and listed one file at a time, so the output > would have the format: > > board_f.o > mach_cpu_init > ... other stuff from board_f.o > > i could swear i once knew how to do this, but i've forgotten (or > perhaps i'm misremembering). is there some variation of objdump, > readelf or nm that will do what i want? i need nothing other than, for > each source file, the symbols that were included in the final ELF file > from that source file. > > can i do this? >
nm -l u-boot seems to give me what you're asking for $ nm -l u-boot 0089b8d8 b a_b /home/chrisp/src/u-boot/cmd/load.c:573 0089f62c b act.10860 00857780 t add_ino /home/chrisp/src/u-boot/fs/ubifs/recovery.c:1261 00828b34 T add_mtd_device /home/chrisp/src/u-boot/drivers/mtd/mtdcore.c:410 00829f7c T add_mtd_partitions /home/chrisp/src/u-boot/drivers/mtd/mtdpart.c:865 00835b2c t add_to_list 0085188c t adjust_lpt_heap.isra.1 /home/chrisp/src/u-boot/fs/ubifs/lprops.c:635 0086b110 T adler32 008775e0 T __aeabi_idiv /home/chrisp/src/u-boot/arch/arm/lib/lib1funcs.S:251 008776c4 T __aeabi_idivmod /home/chrisp/src/u-boot/arch/arm/lib/lib1funcs.S:340 00877544 T __aeabi_uidiv /home/chrisp/src/u-boot/arch/arm/lib/lib1funcs.S:199 008776ac T __aeabi_uidivmod /home/chrisp/src/u-boot/arch/arm/lib/lib1funcs.S:324 008776ec T __aeabi_uldivmod /home/chrisp/src/u-boot/arch/arm/lib/uldivmod.S:38 00820fd4 t alloc_priv 0081ac20 t alloc_simple /home/chrisp/src/u-boot/common/malloc_simple.c:17 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot
