Function report |
Source Code:kernel\kallsyms.c |
Create Date:2022-07-28 11:00:14 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Lookup an address* - modname is set to NULL if it's in the kernel.* - We guarantee that the returned name is valid until we reschedule even if.* It resides in a module.* - We also guarantee that modname will be valid until rescheduled.
Proto:const char *kallsyms_lookup(unsigned long addr, unsigned long *symbolsize, unsigned long *offset, char **modname, char *namebuf)
Type:char
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned long | addr | |
unsigned long * | symbolsize | |
unsigned long * | offset | |
char ** | modname | |
char * | namebuf |
288 | namebuf[KSYM_NAME_LEN - 1] = 0 |
289 | namebuf[0] = 0 |
291 | If is_ksym_addr(addr) Then |
294 | pos = get_symbol_pos(addr, symbolsize, offset) |
300 | Return namebuf |
304 | ret = For kallsyms to ask for address resolution. namebuf should be at* least KSYM_NAME_LEN long: a pointer to namebuf is returned if* found, otherwise NULL. |
306 | If Not ret Then ret = bpf_address_lookup(addr, symbolsize, offset, modname, namebuf) |
310 | If Not ret Then ret = ftrace_mod_address_lookup(addr, symbolsize, offset, modname, namebuf) |
313 | Return ret |
Name | Describe |
---|---|
__sprint_symbol | Look up a kernel symbol and return it in a text buffer. |
kdbnearsym | kdbnearsym - Return the name of the symbol with the nearest address* less than 'addr' |
find_syscall_meta | |
__btf_resolve_helper_id |
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