Lines Matching defs:callee

62  * R6-R9 callee saved registers

1535  * issues like callee-saved registers, stack slot allocation time, etc.

1983  * call foo // uses callee's r6 inside to compute r0

3278                 /* find the callee */

5066     struct bpf_func_state *caller, *callee;

5115     callee = kzalloc(sizeof(*callee), GFP_KERNEL);

5116     if (!callee) {

5119     state->frame[state->curframe + 1] = callee;

5121     /* callee cannot access r0, r6 - r9 for reading and has to write

5123      * callee can read/write into caller's stack

5125     init_func_state(env, callee,

5130     /* Transfer references to the callee */

5131     err = transfer_reference_state(callee, caller);

5136     /* copy r1 - r5 args that callee can access.  The copy includes parent

5140         callee->regs[i] = caller->regs[i];

5148     /* and go analyze first insn of the callee */

5154         verbose(env, "callee:\n");

5155         print_verifier_state(env, callee);

5163     struct bpf_func_state *caller, *callee;

5167     callee = state->frame[state->curframe];

5168     r0 = &callee->regs[BPF_REG_0];

5182     /* return to the caller whatever r0 had in the callee */

5186     err = transfer_reference_state(caller, callee);

5191     *insn_idx = callee->callsite + 1;

5193         verbose(env, "returning from callee:\n");

5194         print_verifier_state(env, callee);

5198     /* clear everything in the callee */

5199     free_func_state(callee);

8953  * Important note here that walking the same branch instruction in the callee

9589      * from callee with its full parentage chain, anyway.

9606     /* all stack frames are accessible from callee, clear them all */

11096          * address of the callee's JITed image from __bpf_call_base

11098          * in such cases, we can lookup the start address of a callee