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// SPDX-License-Identifier: GPL-2.0-or-later
#include <string.h>
#include <objtool/check.h>
int arch_ftrace_match(char *name)
{
return !strcmp(name, "_mcount");
}
unsigned long arch_jump_destination(struct instruction *insn)
{
return insn->offset + (insn->immediate << 2);
}
unsigned long arch_dest_reloc_offset(int addend)
{
return addend;
}
bool arch_pc_relative_reloc(struct reloc *reloc)
{
return false;
}
bool arch_callee_saved_reg(unsigned char reg)
{
switch (reg) {
case CFI_RA:
case CFI_FP:
case CFI_S0 ... CFI_S8:
return true;
default:
return false;
}
}
int arch_decode_hint_reg(u8 sp_reg, int *base)
{
return 0;
}
int arch_decode_instruction(struct objtool_file *file, const struct section *sec,
unsigned long offset, unsigned int maxlen,
struct instruction *insn)
{
return 0;
}
const char *arch_nop_insn(int len)
{
return NULL;
}
const char *arch_ret_insn(int len)
{
return NULL;
}
void arch_initial_func_cfi_state(struct cfi_init_state *state)
{
int i;
for (i = 0; i < CFI_NUM_REGS; i++) {
state->regs[i].base = CFI_UNDEFINED;
state->regs[i].offset = 0;
}
/* initial CFA (call frame address) */
state->cfa.base = CFI_SP;
state->cfa.offset = 0;
}
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