lib/bpf/libbpf.c

369 	 * This used to be associated with cgroup (and few other) BPF programs
421 	 * programs are processed and relocated and is used to determined
434 	 * entry-point BPF programs this includes the size of main program
435 	 * itself plus all the used sub-programs, appended at the end
653 	struct bpf_program *programs;
676 	/* Parse and load BTF vmlinux if any of the programs in the object need
844 	progs = obj->programs;
883 			 * In this case the original obj->programs
891 		obj->programs = progs;
1033 		if (&obj->programs[i] == prog)
1043  * Don't change P.autoload for programs that are not referenced from any maps.
1055 		prog = &obj->programs[i];
1333 		/* Follow same convention as for programs autoload:
1686 	 * right before BPF maps have to be created and BPF programs have to
3346 	/* BPF_PROG_TYPE_TRACING programs which do not attach to other programs
3444 		struct bpf_program *prog = &obj->programs[i];
3885 	/* sort BPF programs by section name and in-section instruction offset
3889 		qsort(obj->programs, obj->nr_programs, sizeof(*obj->programs), cmp_progs);
4555 		prog = &obj->programs[m];
4566 	prog = &obj->programs[l];
5302 		 * programs is referencing any global data map, we'll error
5307 		 * global variables in some of BPF programs, but not others.
5308 		 * If those global variable-using programs are not loaded at
6323 		/* we enforce that sub-programs should be in .text section */
6358 		 * different main programs
6403  * programs mainA and mainB and BPF object contains three subprogs: subA,
6460 		subprog = &obj->programs[i];
6482 		prog = &obj->programs[i];
6508 		struct bpf_program *p = &obj->programs[i];
6564 			struct bpf_program *subprog = &obj->programs[j];
6652 	 * and perf_event programs, so check this case early on and forget
6942 		prog = &obj->programs[i];
6954 	 * programs; each copy of subprogram code needs to be relocated
6957 	 * Append subprog relos to main programs to allow data relos to be
6961 		prog = &obj->programs[i];
6982 			struct bpf_program *subprog = &obj->programs[prog->exception_cb_idx];
7000 		prog = &obj->programs[i];
7006 		/* Process data relos for main programs */
7386 				   prog - obj->programs);
7744 		prog = &obj->programs[i];
7751 		prog = &obj->programs[i];
7957 		bpf_program__unload(&obj->programs[i]);
8922 	if (obj->programs && obj->nr_programs) {
8924 			bpf_program__exit(&obj->programs[i]);
8926 	zfree(&obj->programs);
8996 		return forward ? &obj->programs[0] :
8997 			&obj->programs[nr_programs - 1];
9004 	idx = (p - obj->programs) + (forward ? 1 : -1);
9007 	return &obj->programs[idx];