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-rw-r--r--lldb/tools/debugserver/source/RNBRemote.cpp177
1 files changed, 68 insertions, 109 deletions
diff --git a/lldb/tools/debugserver/source/RNBRemote.cpp b/lldb/tools/debugserver/source/RNBRemote.cpp
index 434e9cf..b06c6bf 100644
--- a/lldb/tools/debugserver/source/RNBRemote.cpp
+++ b/lldb/tools/debugserver/source/RNBRemote.cpp
@@ -93,11 +93,34 @@ static const std::string JSON_ASYNC_TYPE_KEY_NAME("type");
std::setfill(' ') << std::setw((iword_idx)) << ""
#define INDENT_WITH_TABS(iword_idx) \
std::setfill('\t') << std::setw((iword_idx)) << ""
-// Class to handle communications via gdb remote protocol.
-// Prototypes
+// If `ch` is a meta character as per the binary packet convention in the
+// gdb-remote protocol, quote it and write it into `stream`, otherwise write it
+// as is.
+static void binary_encode_char(std::ostringstream &stream, char ch) {
+ if (ch == '#' || ch == '$' || ch == '}' || ch == '*') {
+ stream.put('}');
+ stream.put(ch ^ 0x20);
+ } else {
+ stream.put(ch);
+ }
+}
-static std::string binary_encode_string(const std::string &s);
+// Equivalent to calling binary_encode_char for every element of `data`.
+static void binary_encode_data_vector(std::ostringstream &stream,
+ std::vector<uint8_t> data) {
+ for (auto ch : data)
+ binary_encode_char(stream, ch);
+}
+
+// Quote any meta characters in a std::string as per the binary
+// packet convention in the gdb-remote protocol.
+static std::string binary_encode_string(const std::string &s) {
+ std::ostringstream stream;
+ for (char ch : s)
+ binary_encode_char(stream, ch);
+ return stream.str();
+}
// Decode a single hex character and return the hex value as a number or
// -1 if "ch" is not a hex character.
@@ -139,16 +162,16 @@ static std::string decode_hex_ascii_string(const char *p,
return arg;
}
-uint64_t decode_uint64(const char *p, int base, char **end = nullptr,
- uint64_t fail_value = 0) {
+static uint64_t decode_uint64(const char *p, int base, char **end = nullptr,
+ uint64_t fail_value = 0) {
nub_addr_t addr = strtoull(p, end, 16);
if (addr == 0 && errno != 0)
return fail_value;
return addr;
}
-void append_hex_value(std::ostream &ostrm, const void *buf, size_t buf_size,
- bool swap) {
+static void append_hex_value(std::ostream &ostrm, const void *buf,
+ size_t buf_size, bool swap) {
int i;
const uint8_t *p = (const uint8_t *)buf;
if (swap) {
@@ -160,7 +183,7 @@ void append_hex_value(std::ostream &ostrm, const void *buf, size_t buf_size,
}
}
-std::string cstring_to_asciihex_string(const char *str) {
+static std::string cstring_to_asciihex_string(const char *str) {
std::string hex_str;
hex_str.reserve(strlen(str) * 2);
while (str && *str) {
@@ -172,7 +195,8 @@ std::string cstring_to_asciihex_string(const char *str) {
return hex_str;
}
-void append_hexified_string(std::ostream &ostrm, const std::string &string) {
+static void append_hexified_string(std::ostream &ostrm,
+ const std::string &string) {
size_t string_size = string.size();
const char *string_buf = string.c_str();
for (size_t i = 0; i < string_size; i++) {
@@ -1027,8 +1051,6 @@ rnb_err_t RNBRemote::HandleAsyncPacket(PacketEnum *type) {
rnb_err_t RNBRemote::HandleReceivedPacket(PacketEnum *type) {
static DNBTimer g_packetTimer(true);
- // DNBLogThreadedIf (LOG_RNB_REMOTE, "%8u RNBRemote::%s",
- // (uint32_t)m_comm.Timer().ElapsedMicroSeconds(true), __FUNCTION__);
rnb_err_t err = rnb_err;
std::string packet_data;
RNBRemote::Packet packet_info;
@@ -1284,8 +1306,7 @@ static cpu_type_t best_guess_cpu_type() {
LEN is the number of bytes to be processed. If a character is escaped,
it is 2 characters for LEN. A LEN of -1 means decode-until-nul-byte
(end of string). */
-
-std::vector<uint8_t> decode_binary_data(const char *str, size_t len) {
+static std::vector<uint8_t> decode_binary_data(const char *str, size_t len) {
std::vector<uint8_t> bytes;
if (len == 0) {
return bytes;
@@ -1304,31 +1325,10 @@ std::vector<uint8_t> decode_binary_data(const char *str, size_t len) {
return bytes;
}
-// Quote any meta characters in a std::string as per the binary
-// packet convention in the gdb-remote protocol.
-
-static std::string binary_encode_string(const std::string &s) {
- std::string output;
- const size_t s_size = s.size();
- const char *s_chars = s.c_str();
-
- for (size_t i = 0; i < s_size; i++) {
- unsigned char ch = *(s_chars + i);
- if (ch == '#' || ch == '$' || ch == '}' || ch == '*') {
- output.push_back('}'); // 0x7d
- output.push_back(ch ^ 0x20);
- } else {
- output.push_back(ch);
- }
- }
- return output;
-}
-
// If the value side of a key-value pair in JSON is a string,
// and that string has a " character in it, the " character must
// be escaped.
-
-std::string json_string_quote_metachars(const std::string &s) {
+static std::string json_string_quote_metachars(const std::string &s) {
if (s.find('"') == std::string::npos)
return s;
@@ -1462,15 +1462,6 @@ bool RNBRemote::InitializeRegisters(bool force) {
}
}
- // for (auto &reg_entry: g_dynamic_register_map)
- // {
- // DNBLogThreaded("%4i: size = %3u, pseudo = %i, name = %s",
- // reg_entry.offset,
- // reg_entry.nub_info.size,
- // reg_entry.nub_info.value_regs != NULL,
- // reg_entry.nub_info.name);
- // }
-
g_reg_entries = g_dynamic_register_map.data();
g_num_reg_entries = g_dynamic_register_map.size();
}
@@ -1719,7 +1710,7 @@ rnb_err_t RNBRemote::HandlePacket_qThreadExtraInfo(const char *p) {
return SendPacket("");
}
-const char *k_space_delimiters = " \t";
+static const char *k_space_delimiters = " \t";
static void skip_spaces(std::string &line) {
if (!line.empty()) {
size_t space_pos = line.find_first_not_of(k_space_delimiters);
@@ -2024,7 +2015,7 @@ rnb_err_t RNBRemote::HandlePacket_qRegisterInfo(const char *p) {
QSetLogging:bitmask=LOG_ALL;mode=asl;
*/
-rnb_err_t set_logging(const char *p) {
+static rnb_err_t set_logging(const char *p) {
int bitmask = 0;
while (p && *p != '\0') {
if (strncmp(p, "bitmask=", sizeof("bitmask=") - 1) == 0) {
@@ -2568,11 +2559,10 @@ rnb_err_t RNBRemote::HandlePacket_QSetProcessEvent(const char *p) {
// If a fail_value is provided, a correct-length reply is always provided,
// even if the register cannot be read right now on this thread.
-bool register_value_in_hex_fixed_width(std::ostream &ostrm, nub_process_t pid,
- nub_thread_t tid,
- const register_map_entry_t *reg,
- const DNBRegisterValue *reg_value_ptr,
- std::optional<uint8_t> fail_value) {
+static bool register_value_in_hex_fixed_width(
+ std::ostream &ostrm, nub_process_t pid, nub_thread_t tid,
+ const register_map_entry_t *reg, const DNBRegisterValue *reg_value_ptr,
+ std::optional<uint8_t> fail_value) {
if (reg != NULL) {
std::unique_ptr<DNBRegisterValue> reg_value =
std::make_unique<DNBRegisterValue>();
@@ -2599,7 +2589,7 @@ bool register_value_in_hex_fixed_width(std::ostream &ostrm, nub_process_t pid,
return false;
}
-void debugserver_regnum_with_fixed_width_hex_register_value(
+static void debugserver_regnum_with_fixed_width_hex_register_value(
std::ostream &ostrm, nub_process_t pid, nub_thread_t tid,
const register_map_entry_t *reg, const DNBRegisterValue *reg_value_ptr,
std::optional<uint8_t> fail_value) {
@@ -3216,21 +3206,9 @@ rnb_err_t RNBRemote::HandlePacket_x(const char *p) {
return SendErrorPacket("E80");
}
- std::vector<uint8_t> buf_quoted;
- buf_quoted.reserve(bytes_read + 30);
- for (nub_size_t i = 0; i < bytes_read; i++) {
- if (buf[i] == '#' || buf[i] == '$' || buf[i] == '}' || buf[i] == '*') {
- buf_quoted.push_back(0x7d);
- buf_quoted.push_back(buf[i] ^ 0x20);
- } else {
- buf_quoted.push_back(buf[i]);
- }
- }
- length = buf_quoted.size();
-
+ buf.resize(bytes_read);
std::ostringstream ostrm;
- for (unsigned long i = 0; i < length; i++)
- ostrm << buf_quoted[i];
+ binary_encode_data_vector(ostrm, buf);
return SendPacket(ostrm.str());
}
@@ -4902,8 +4880,8 @@ rnb_err_t RNBRemote::HandlePacket_qHostInfo(const char *p) {
return SendPacket(strm.str());
}
-void XMLElementStart(std::ostringstream &s, uint32_t indent, const char *name,
- bool has_attributes) {
+static void XMLElementStart(std::ostringstream &s, uint32_t indent,
+ const char *name, bool has_attributes) {
if (indent)
s << INDENT_WITH_SPACES(indent);
s << '<' << name;
@@ -4911,43 +4889,22 @@ void XMLElementStart(std::ostringstream &s, uint32_t indent, const char *name,
s << '>' << std::endl;
}
-void XMLElementStartEndAttributes(std::ostringstream &s, bool empty) {
+static void XMLElementStartEndAttributes(std::ostringstream &s, bool empty) {
if (empty)
s << '/';
s << '>' << std::endl;
}
-void XMLElementEnd(std::ostringstream &s, uint32_t indent, const char *name) {
+static void XMLElementEnd(std::ostringstream &s, uint32_t indent,
+ const char *name) {
if (indent)
s << INDENT_WITH_SPACES(indent);
s << '<' << '/' << name << '>' << std::endl;
}
-void XMLElementWithStringValue(std::ostringstream &s, uint32_t indent,
- const char *name, const char *value,
- bool close = true) {
- if (value) {
- if (indent)
- s << INDENT_WITH_SPACES(indent);
- s << '<' << name << '>' << value;
- if (close)
- XMLElementEnd(s, 0, name);
- }
-}
-
-void XMLElementWithUnsignedValue(std::ostringstream &s, uint32_t indent,
- const char *name, uint64_t value,
- bool close = true) {
- if (indent)
- s << INDENT_WITH_SPACES(indent);
-
- s << '<' << name << '>' << DECIMAL << value;
- if (close)
- XMLElementEnd(s, 0, name);
-}
-
-void XMLAttributeString(std::ostringstream &s, const char *name,
- const char *value, const char *default_value = NULL) {
+static void XMLAttributeString(std::ostringstream &s, const char *name,
+ const char *value,
+ const char *default_value = NULL) {
if (value) {
if (default_value && strcmp(value, default_value) == 0)
return; // No need to emit the attribute because it matches the default
@@ -4956,15 +4913,16 @@ void XMLAttributeString(std::ostringstream &s, const char *name,
}
}
-void XMLAttributeUnsignedDecimal(std::ostringstream &s, const char *name,
- uint64_t value) {
+static void XMLAttributeUnsignedDecimal(std::ostringstream &s, const char *name,
+ uint64_t value) {
s << ' ' << name << "=\"" << DECIMAL << value << "\"";
}
-void GenerateTargetXMLRegister(std::ostringstream &s, const uint32_t reg_num,
- nub_size_t num_reg_sets,
- const DNBRegisterSetInfo *reg_set_info,
- const register_map_entry_t &reg) {
+static void GenerateTargetXMLRegister(std::ostringstream &s,
+ const uint32_t reg_num,
+ nub_size_t num_reg_sets,
+ const DNBRegisterSetInfo *reg_set_info,
+ const register_map_entry_t &reg) {
const char *default_lldb_encoding = "uint";
const char *lldb_encoding = default_lldb_encoding;
const char *gdb_group = "general";
@@ -5135,7 +5093,7 @@ void GenerateTargetXMLRegister(std::ostringstream &s, const uint32_t reg_num,
XMLElementStartEndAttributes(s, true);
}
-void GenerateTargetXMLRegisters(std::ostringstream &s) {
+static void GenerateTargetXMLRegisters(std::ostringstream &s) {
nub_size_t num_reg_sets = 0;
const DNBRegisterSetInfo *reg_sets = DNBGetRegisterSetInfo(&num_reg_sets);
@@ -5174,7 +5132,7 @@ static const char *g_target_xml_footer = "</target>";
static std::string g_target_xml;
-void UpdateTargetXML() {
+static void UpdateTargetXML() {
std::ostringstream s;
s << g_target_xml_header << std::endl;
@@ -5309,8 +5267,9 @@ rnb_err_t RNBRemote::HandlePacket_jGetDyldProcessState(const char *p) {
// a one-level-deep JSON dictionary of key-value pairs. e.g.
// jThreadExtendedInfo:{"plo_pthread_tsd_base_address_offset":0,"plo_pthread_tsd_base_offset":224,"plo_pthread_tsd_entry_size":8,"thread":144305}]
//
-uint64_t get_integer_value_for_key_name_from_json(const char *key,
- const char *json_string) {
+static uint64_t
+get_integer_value_for_key_name_from_json(const char *key,
+ const char *json_string) {
uint64_t retval = INVALID_NUB_ADDRESS;
std::string key_with_quotes = "\"";
key_with_quotes += key;
@@ -5346,9 +5305,9 @@ uint64_t get_integer_value_for_key_name_from_json(const char *key,
// Returns true if it was able to find the key name, and sets the 'value'
// argument to the value found.
-bool get_boolean_value_for_key_name_from_json(const char *key,
- const char *json_string,
- bool &value) {
+static bool get_boolean_value_for_key_name_from_json(const char *key,
+ const char *json_string,
+ bool &value) {
std::string key_with_quotes = "\"";
key_with_quotes += key;
key_with_quotes += "\"";
@@ -5385,7 +5344,7 @@ bool get_boolean_value_for_key_name_from_json(const char *key,
// Returns true if it was able to find the key name, false if it did not.
// "ints" will have all integers found in the array appended to it.
-bool get_array_of_ints_value_for_key_name_from_json(
+static bool get_array_of_ints_value_for_key_name_from_json(
const char *key, const char *json_string, std::vector<uint64_t> &ints) {
std::string key_with_quotes = "\"";
key_with_quotes += key;
generated by cgit v1.1 at 2025-10-08 03:48:29 +0000