4  * Helper functions for finding the symbol in an ELF which is "nearest"
50 static unsigned int symbol_count(struct elf_info *elf)  in symbol_count()  argument
54 	for (Elf_Sym *sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in symbol_count()
55 		if (is_valid_name(elf, sym))  in symbol_count()
63  * Be slightly paranoid here.  The ELF file is mmap'd and could
68 static void symsearch_populate(struct elf_info *elf,  in symsearch_populate()  argument
72 	bool is_arm = (elf->hdr->e_machine == EM_ARM);  in symsearch_populate()
74 	for (Elf_Sym *sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {  in symsearch_populate()
75 		if (is_valid_name(elf, sym)) {  in symsearch_populate()
78 			table->symbol_index = sym - elf->symtab_start;  in symsearch_populate()
79 			table->section_index = get_secindex(elf, sym);  in symsearch_populate()
124 void symsearch_init(struct elf_info *elf)  in symsearch_init()  argument
126 	unsigned int table_size = symbol_count(elf);  in symsearch_init()
128 	elf->symsearch = xmalloc(sizeof(struct symsearch) +  in symsearch_init()
130 	elf->symsearch->table_size = table_size;  in symsearch_init()
132 	symsearch_populate(elf, elf->symsearch->table, table_size);  in symsearch_init()
133 	qsort(elf->symsearch->table, table_size,  in symsearch_init()
136 	symsearch_fixup(elf->symsearch->table, table_size);  in symsearch_init()
139 void symsearch_finish(struct elf_info *elf)  in symsearch_finish()  argument
141 	free(elf->symsearch);  in symsearch_finish()
142 	elf->symsearch = NULL;  in symsearch_finish()
153 Elf_Sym *symsearch_find_nearest(struct elf_info *elf, Elf_Addr addr,  in symsearch_find_nearest()  argument
157 	unsigned int hi = elf->symsearch->table_size;  in symsearch_find_nearest()
159 	struct syminfo *table = elf->symsearch->table;  in symsearch_find_nearest()
187 	    hi < elf->symsearch->table_size &&  in symsearch_find_nearest()
191 		result = &elf->symtab_start[table[hi].symbol_index];  in symsearch_find_nearest()
196 		result = &elf->symtab_start[table[hi - 1].symbol_index];  in symsearch_find_nearest()