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riscv: Fix "no previous prototype" compile warning in kgdb.c file

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Some functions are only used in the kgdb.c file. Add static properities
to these functions to avoid "no previous prototype" compile warnings

Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Vincent Chen 2020-06-23 13:37:10 +08:00 committed by Palmer Dabbelt
parent fc0c769ffd
commit f7fc752815
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GPG Key ID: 2E1319F35FBB1889
1 changed files with 5 additions and 5 deletions
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10
arch/riscv/kernel/kgdb.c
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@ -44,18 +44,18 @@ DECLARE_INSN(c_beqz, MATCH_C_BEQZ, MASK_C_BEQZ)
DECLARE_INSN(c_bnez, MATCH_C_BNEZ, MASK_C_BNEZ)
DECLARE_INSN(sret, MATCH_SRET, MASK_SRET)
int decode_register_index(unsigned long opcode, int offset)
static int decode_register_index(unsigned long opcode, int offset)
{
return (opcode >> offset) & 0x1F;
}
int decode_register_index_short(unsigned long opcode, int offset)
static int decode_register_index_short(unsigned long opcode, int offset)
{
return ((opcode >> offset) & 0x7) + 8;
}
/* Calculate the new address for after a step */
int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
static int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
{
unsigned long pc = regs->epc;
unsigned long *regs_ptr = (unsigned long *)regs;
@ -136,7 +136,7 @@ int get_step_address(struct pt_regs *regs, unsigned long *next_addr)
return 0;
}
int do_single_step(struct pt_regs *regs)
static int do_single_step(struct pt_regs *regs)
{
/* Determine where the target instruction will send us to */
unsigned long addr = 0;
@ -320,7 +320,7 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
return err;
}
int kgdb_riscv_kgdbbreak(unsigned long addr)
static int kgdb_riscv_kgdbbreak(unsigned long addr)
{
if (stepped_address == addr)
return KGDB_SW_SINGLE_STEP;