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path: root/arch/sparc/net/bpf_jit_comp_64.c
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Diffstat (limited to 'arch/sparc/net/bpf_jit_comp_64.c')
-rw-r--r--arch/sparc/net/bpf_jit_comp_64.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index ff5f9cb3039a..dfb1a62abe93 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -12,8 +12,6 @@
#include "bpf_jit_64.h"
-int bpf_jit_enable __read_mostly;
-
static inline bool is_simm13(unsigned int value)
{
return value + 0x1000 < 0x2000;
@@ -1328,6 +1326,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
const u8 tmp2 = bpf2sparc[TMP_REG_2];
u32 opcode = 0, rs2;
+ if (insn->dst_reg == BPF_REG_FP)
+ ctx->saw_frame_pointer = true;
+
ctx->tmp_2_used = true;
emit_loadimm(imm, tmp2, ctx);
@@ -1366,6 +1367,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
const u8 tmp = bpf2sparc[TMP_REG_1];
u32 opcode = 0, rs2;
+ if (insn->dst_reg == BPF_REG_FP)
+ ctx->saw_frame_pointer = true;
+
switch (BPF_SIZE(code)) {
case BPF_W:
opcode = ST32;
@@ -1398,6 +1402,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
const u8 tmp2 = bpf2sparc[TMP_REG_2];
const u8 tmp3 = bpf2sparc[TMP_REG_3];
+ if (insn->dst_reg == BPF_REG_FP)
+ ctx->saw_frame_pointer = true;
+
ctx->tmp_1_used = true;
ctx->tmp_2_used = true;
ctx->tmp_3_used = true;
@@ -1418,6 +1425,9 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
const u8 tmp2 = bpf2sparc[TMP_REG_2];
const u8 tmp3 = bpf2sparc[TMP_REG_3];
+ if (insn->dst_reg == BPF_REG_FP)
+ ctx->saw_frame_pointer = true;
+
ctx->tmp_1_used = true;
ctx->tmp_2_used = true;
ctx->tmp_3_used = true;