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-rw-r--r--lib9p/9p.generated.c48
-rwxr-xr-xlib9p/idl.gen19
2 files changed, 30 insertions, 37 deletions
diff --git a/lib9p/9p.generated.c b/lib9p/9p.generated.c
index 98ec7bf..eca0666 100644
--- a/lib9p/9p.generated.c
+++ b/lib9p/9p.generated.c
@@ -431,7 +431,7 @@ LM_ALWAYS_INLINE static bool validate_s(struct _validate_ctx *ctx) {
uint16_t len;
return false
|| (validate_2(ctx) || ({ len = uint16le_decode(&ctx->net_bytes[ctx->net_offset-2]); false; }))
- || _validate_list(ctx, len, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, len)
|| ({ (!is_valid_utf8_without_nul(&ctx->net_bytes[ctx->net_offset-len], len)) && lib9p_error(ctx->ctx, LINUX_EBADMSG, "message contains invalid UTF-8"); })
;
}
@@ -561,7 +561,7 @@ LM_FLATTEN static bool validate_Rread(struct _validate_ctx *ctx) {
|| (validate_1(ctx) || ({ typ = ctx->net_bytes[ctx->net_offset-1]; false; }))
|| validate_tag(ctx)
|| (validate_4(ctx) || ({ count = uint32le_decode(&ctx->net_bytes[ctx->net_offset-4]); false; }))
- || _validate_list(ctx, count, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, count)
|| ({ uint32_t exp = ctx->net_offset - _size_offset; (((uint32_t)size) != exp) &&
lib9p_errorf(ctx->ctx, LINUX_EBADMSG, "size value is wrong (actual:%"PRIu32" != correct:%"PRIu32")", (uint32_t)size, exp); })
|| ({ uint8_t exp = 117; (((uint8_t)typ) != exp) &&
@@ -750,7 +750,7 @@ LM_FLATTEN static bool validate_Rreaddir(struct _validate_ctx *ctx) {
|| (validate_1(ctx) || ({ typ = ctx->net_bytes[ctx->net_offset-1]; false; }))
|| validate_tag(ctx)
|| (validate_4(ctx) || ({ count = uint32le_decode(&ctx->net_bytes[ctx->net_offset-4]); false; }))
- || _validate_list(ctx, count, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, count)
|| ({ uint32_t exp = ctx->net_offset - _size_offset; (((uint32_t)size) != exp) &&
lib9p_errorf(ctx->ctx, LINUX_EBADMSG, "size value is wrong (actual:%"PRIu32" != correct:%"PRIu32")", (uint32_t)size, exp); })
|| ({ uint8_t exp = 41; (((uint8_t)typ) != exp) &&
@@ -861,7 +861,7 @@ LM_FLATTEN static bool validate_Rsread(struct _validate_ctx *ctx) {
|| (validate_1(ctx) || ({ typ = ctx->net_bytes[ctx->net_offset-1]; false; }))
|| validate_tag(ctx)
|| (validate_4(ctx) || ({ count = uint32le_decode(&ctx->net_bytes[ctx->net_offset-4]); false; }))
- || _validate_list(ctx, count, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, count)
|| ({ uint32_t exp = ctx->net_offset - _size_offset; (((uint32_t)size) != exp) &&
lib9p_errorf(ctx->ctx, LINUX_EBADMSG, "size value is wrong (actual:%"PRIu32" != correct:%"PRIu32")", (uint32_t)size, exp); })
|| ({ uint8_t exp = 153; (((uint8_t)typ) != exp) &&
@@ -924,7 +924,7 @@ LM_FLATTEN static bool validate_Twrite(struct _validate_ctx *ctx) {
|| validate_fid(ctx)
|| (validate_8(ctx) || ({ offset = uint64le_decode(&ctx->net_bytes[ctx->net_offset-8]); false; }))
|| (validate_4(ctx) || ({ count = uint32le_decode(&ctx->net_bytes[ctx->net_offset-4]); false; }))
- || _validate_list(ctx, count, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, count)
|| ({ uint32_t exp = ctx->net_offset - _size_offset; (((uint32_t)size) != exp) &&
lib9p_errorf(ctx->ctx, LINUX_EBADMSG, "size value is wrong (actual:%"PRIu32" != correct:%"PRIu32")", (uint32_t)size, exp); })
|| ({ uint8_t exp = 118; (((uint8_t)typ) != exp) &&
@@ -1353,7 +1353,7 @@ LM_FLATTEN static bool validate_Tswrite(struct _validate_ctx *ctx) {
|| (validate_2(ctx) || ({ nwname = uint16le_decode(&ctx->net_bytes[ctx->net_offset-2]); false; }))
|| _validate_list(ctx, nwname, validate_s, sizeof(struct lib9p_s))
|| (validate_4(ctx) || ({ count = uint32le_decode(&ctx->net_bytes[ctx->net_offset-4]); false; }))
- || _validate_list(ctx, count, validate_1, sizeof(uint8_t))
+ || _validate_size_net(ctx, count)
|| ({ uint32_t exp = ctx->net_offset - _size_offset; (((uint32_t)size) != exp) &&
lib9p_errorf(ctx->ctx, LINUX_EBADMSG, "size value is wrong (actual:%"PRIu32" != correct:%"PRIu32")", (uint32_t)size, exp); })
|| ({ uint8_t exp = 154; (((uint8_t)typ) != exp) &&
@@ -1972,10 +1972,8 @@ LM_ALWAYS_INLINE static void unmarshal_fid(struct _unmarshal_ctx *ctx, lib9p_fid
LM_ALWAYS_INLINE static void unmarshal_s(struct _unmarshal_ctx *ctx, struct lib9p_s *out) {
memset(out, 0, sizeof(*out));
unmarshal_2(ctx, &out->len);
- out->utf8 = ctx->extra;
- ctx->extra += sizeof(out->utf8[0]) * out->len;
- for (typeof(out->len) i = 0; i < out->len; i++)
- unmarshal_1(ctx, (uint8_t *)&out->utf8[i]);
+ out->utf8 = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->len;
}
#endif /* CONFIG_9P_ENABLE_9P2000 || CONFIG_9P_ENABLE_9P2000_L || CONFIG_9P_ENABLE_9P2000_e || CONFIG_9P_ENABLE_9P2000_p9p || CONFIG_9P_ENABLE_9P2000_u */
@@ -2047,10 +2045,8 @@ LM_FLATTEN static void unmarshal_Rread(struct _unmarshal_ctx *ctx, struct lib9p_
ctx->net_offset += 1;
unmarshal_tag(ctx, &out->tag);
unmarshal_4(ctx, &out->count);
- out->data = ctx->extra;
- ctx->extra += sizeof(out->data[0]) * out->count;
- for (typeof(out->count) i = 0; i < out->count; i++)
- unmarshal_1(ctx, (uint8_t *)&out->data[i]);
+ out->data = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->count;
}
LM_FLATTEN static void unmarshal_Rwrite(struct _unmarshal_ctx *ctx, struct lib9p_msg_Rwrite *out) {
@@ -2145,10 +2141,8 @@ LM_FLATTEN static void unmarshal_Rreaddir(struct _unmarshal_ctx *ctx, struct lib
ctx->net_offset += 1;
unmarshal_tag(ctx, &out->tag);
unmarshal_4(ctx, &out->count);
- out->data = ctx->extra;
- ctx->extra += sizeof(out->data[0]) * out->count;
- for (typeof(out->count) i = 0; i < out->count; i++)
- unmarshal_1(ctx, (uint8_t *)&out->data[i]);
+ out->data = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->count;
}
LM_FLATTEN static void unmarshal_Rfsync(struct _unmarshal_ctx *ctx, struct lib9p_msg_Rfsync *out) {
@@ -2202,10 +2196,8 @@ LM_FLATTEN static void unmarshal_Rsread(struct _unmarshal_ctx *ctx, struct lib9p
ctx->net_offset += 1;
unmarshal_tag(ctx, &out->tag);
unmarshal_4(ctx, &out->count);
- out->data = ctx->extra;
- ctx->extra += sizeof(out->data[0]) * out->count;
- for (typeof(out->count) i = 0; i < out->count; i++)
- unmarshal_1(ctx, (uint8_t *)&out->data[i]);
+ out->data = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->count;
}
LM_FLATTEN static void unmarshal_Rswrite(struct _unmarshal_ctx *ctx, struct lib9p_msg_Rswrite *out) {
@@ -2236,10 +2228,8 @@ LM_FLATTEN static void unmarshal_Twrite(struct _unmarshal_ctx *ctx, struct lib9p
unmarshal_fid(ctx, &out->fid);
unmarshal_8(ctx, &out->offset);
unmarshal_4(ctx, &out->count);
- out->data = ctx->extra;
- ctx->extra += sizeof(out->data[0]) * out->count;
- for (typeof(out->count) i = 0; i < out->count; i++)
- unmarshal_1(ctx, (uint8_t *)&out->data[i]);
+ out->data = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->count;
}
LM_FLATTEN static void unmarshal_Tclunk(struct _unmarshal_ctx *ctx, struct lib9p_msg_Tclunk *out) {
@@ -2483,10 +2473,8 @@ LM_FLATTEN static void unmarshal_Tswrite(struct _unmarshal_ctx *ctx, struct lib9
for (typeof(out->nwname) i = 0; i < out->nwname; i++)
unmarshal_s(ctx, &out->wname[i]);
unmarshal_4(ctx, &out->count);
- out->data = ctx->extra;
- ctx->extra += sizeof(out->data[0]) * out->count;
- for (typeof(out->count) i = 0; i < out->count; i++)
- unmarshal_1(ctx, (uint8_t *)&out->data[i]);
+ out->data = (char *)&ctx->net_bytes[ctx->net_offset];
+ ctx->net_offset += out->count;
}
#endif /* CONFIG_9P_ENABLE_9P2000_e */
diff --git a/lib9p/idl.gen b/lib9p/idl.gen
index 9a8260a..f2b4f13 100755
--- a/lib9p/idl.gen
+++ b/lib9p/idl.gen
@@ -831,7 +831,10 @@ LM_ALWAYS_INLINE static bool validate_8(struct _validate_ctx *ctx) { return _val
if member.in_versions != typ.in_versions:
ret += "( " + c_ver_cond(member.in_versions) + " && "
if member.cnt is not None:
- ret += f"_validate_list(ctx, {member.cnt.name}, validate_{member.typ.name}, sizeof({c_typename(member.typ)}))"
+ if member.typ.static_size == 1: # SPECIAL (zerocopy)
+ ret += f"_validate_size_net(ctx, {member.cnt.name})"
+ else:
+ ret += f"_validate_list(ctx, {member.cnt.name}, validate_{member.typ.name}, sizeof({c_typename(member.typ)}))"
if typ.name == "s": # SPECIAL (string)
ret += f'\n\t || ({{ (!is_valid_utf8_without_nul(&ctx->net_bytes[ctx->net_offset-len], len)) && lib9p_error(ctx->ctx, LINUX_EBADMSG, "message contains invalid UTF-8"); }})'
else:
@@ -935,13 +938,15 @@ LM_ALWAYS_INLINE static void unmarshal_8(struct _unmarshal_ctx *ctx, uint64_t *o
if member.in_versions != typ.in_versions:
ret += "{\n"
ret += prefix
- ret += f"out->{member.name} = ctx->extra;\n"
- ret += f"{prefix}ctx->extra += sizeof(out->{member.name}[0]) * out->{member.cnt.name};\n"
- ret += f"{prefix}for (typeof(out->{member.cnt.name}) i = 0; i < out->{member.cnt.name}; i++)\n"
- if member.typ.static_size == 1: # SPECIAL (string)
- # Special-case is that we cast from `char` to `uint8_t`.
- ret += f"{prefix}\tunmarshal_{member.typ.name}(ctx, (uint8_t *)&out->{member.name}[i]);\n"
+ if member.typ.static_size == 1: # SPECIAL (string, zerocopy)
+ ret += f"out->{member.name} = (char *)&ctx->net_bytes[ctx->net_offset];\n"
+ ret += (
+ f"{prefix}ctx->net_offset += out->{member.cnt.name};\n"
+ )
else:
+ ret += f"out->{member.name} = ctx->extra;\n"
+ ret += f"{prefix}ctx->extra += sizeof(out->{member.name}[0]) * out->{member.cnt.name};\n"
+ ret += f"{prefix}for (typeof(out->{member.cnt.name}) i = 0; i < out->{member.cnt.name}; i++)\n"
ret += f"{prefix}\tunmarshal_{member.typ.name}(ctx, &out->{member.name}[i]);\n"
if member.in_versions != typ.in_versions:
ret += "\t}\n"
generated by cgit v1.2.3-2-g168b (git 2.25.1) at 2025-03-16 06:23:03 +0000