How do you get the start and end addresses of a custom ELF section?

Question

I\'m working in C on Linux. I\'ve seen the usage of of the gcc __section__ attribute (especially in the Linux kernel) to collect data (usually function pointers) into custom

Answer 1

So the answer above, __start_SECTION and __stop_SECTION will work, however for the program to be able to use the information from the linker you to need to declare those variables as extern char* __start_SECTION. Enjoy!

extern char * __start_blobby;

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printf("This section starts at %p\n", (unsigned int)&__start_blobby);
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