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-rw-r--r--tools/ramscrgen/.gitignore2
-rw-r--r--tools/ramscrgen/elf.cpp544
-rw-r--r--tools/ramscrgen/main.cpp374
-rw-r--r--tools/ramscrgen/sym_file.cpp984
4 files changed, 952 insertions, 952 deletions
diff --git a/tools/ramscrgen/.gitignore b/tools/ramscrgen/.gitignore
index f17f6e7..4d0ae82 100644
--- a/tools/ramscrgen/.gitignore
+++ b/tools/ramscrgen/.gitignore
@@ -1 +1 @@
-ramscrgen
+ramscrgen
diff --git a/tools/ramscrgen/elf.cpp b/tools/ramscrgen/elf.cpp
index 7cef9f9..7e78704 100644
--- a/tools/ramscrgen/elf.cpp
+++ b/tools/ramscrgen/elf.cpp
@@ -1,272 +1,272 @@
-#include <cstdio>
-#include <cstring>
-#include <cstdint>
-#include <map>
-#include <vector>
-#include <string>
-#include "ramscrgen.h"
-#include "elf.h"
-
-#define SHN_COMMON 0xFFF2
-
-static std::string s_elfPath;
-static std::string s_archiveFilePath;
-static std::string s_archiveObjectPath;
-
-static FILE *s_file;
-
-static std::uint32_t s_sectionHeaderOffset;
-static int s_sectionHeaderEntrySize;
-static int s_sectionCount;
-static int s_shstrtabIndex;
-
-static std::uint32_t s_symtabOffset;
-static std::uint32_t s_strtabOffset;
-
-static std::uint32_t s_symbolCount;
-static std::uint32_t s_elfFileOffset;
-
-struct Symbol
-{
- std::uint32_t nameOffset;
- std::uint32_t size;
-};
-
-static void Seek(long offset)
-{
- if (std::fseek(s_file, s_elfFileOffset + offset, SEEK_SET) != 0)
- FATAL_ERROR("error: failed to seek to %ld in \"%s\"", offset, s_elfPath.c_str());
-}
-
-static void Skip(long offset)
-{
- if (std::fseek(s_file, offset, SEEK_CUR) != 0)
- FATAL_ERROR("error: failed to skip %ld bytes in \"%s\"", offset, s_elfPath.c_str());
-}
-
-static std::uint32_t ReadInt8()
-{
- int c = std::fgetc(s_file);
-
- if (c < 0)
- FATAL_ERROR("error: unexpected EOF when reading ELF file \"%s\"\n", s_elfPath.c_str());
-
- return c;
-}
-
-static std::uint32_t ReadInt16()
-{
- std::uint32_t val = 0;
- val |= ReadInt8();
- val |= ReadInt8() << 8;
- return val;
-}
-
-static std::uint32_t ReadInt32()
-{
- std::uint32_t val = 0;
- val |= ReadInt8();
- val |= ReadInt8() << 8;
- val |= ReadInt8() << 16;
- val |= ReadInt8() << 24;
- return val;
-}
-
-static std::string ReadString()
-{
- std::string s;
- char c;
-
- while ((c = ReadInt8()) != 0)
- s += c;
-
- return s;
-}
-
-static void VerifyElfIdent()
-{
- char expectedMagic[4] = { 0x7F, 'E', 'L', 'F' };
- char magic[4];
-
- if (std::fread(magic, 4, 1, s_file) != 1)
- FATAL_ERROR("error: failed to read ELF magic from \"%s\"\n", s_elfPath.c_str());
-
- if (std::memcmp(magic, expectedMagic, 4) != 0)
- FATAL_ERROR("error: ELF magic did not match in \"%s\"\n", s_elfPath.c_str());
-
- if (std::fgetc(s_file) != 1)
- FATAL_ERROR("error: \"%s\" not 32-bit ELF\n", s_elfPath.c_str());
-
- if (std::fgetc(s_file) != 1)
- FATAL_ERROR("error: \"%s\" not little-endian ELF\n", s_elfPath.c_str());
-}
-
-static void VerifyAr()
-{
- char expectedMagic[8] = {'!', '<', 'a', 'r', 'c', 'h', '>', '\n'};
- char magic[8];
-
- if (std::fread(magic, 8, 1, s_file) != 1)
- FATAL_ERROR("error: failed to read AR magic from \"%s\"\n", s_archiveFilePath.c_str());
-
- if (std::memcmp(magic, expectedMagic, 8) != 0)
- FATAL_ERROR("error: AR magic did not match in \"%s\"\n", s_archiveFilePath.c_str());
-}
-
-static void ReadElfHeader()
-{
- Seek(0x20);
- s_sectionHeaderOffset = ReadInt32();
- Seek(0x2E);
- s_sectionHeaderEntrySize = ReadInt16();
- s_sectionCount = ReadInt16();
- s_shstrtabIndex = ReadInt16();
-}
-
-static void FindArObj()
-{
- char file_ident[17] = {0};
- char filesize_s[11] = {0};
- char expectedEndMagic[2] = { 0x60, 0x0a };
- char end_magic[2];
- std::size_t filesize;
-
- Seek(8);
- while (!std::feof(s_file)) {
- if (std::fread(file_ident, 16, 1, s_file) != 1)
- FATAL_ERROR("error: failed to read file ident in \"%s\"\n", s_archiveFilePath.c_str());
- Skip(32);
- if (std::fread(filesize_s, 10, 1, s_file) != 1)
- FATAL_ERROR("error: failed to read filesize in \"%s\"\n", s_archiveFilePath.c_str());
- if (std::fread(end_magic, 2, 1, s_file) != 1)
- FATAL_ERROR("error: failed to read end sentinel in \"%s\"\n", s_archiveFilePath.c_str());
- if (std::memcmp(end_magic, expectedEndMagic, 2) != 0)
- FATAL_ERROR("error: corrupted archive header in \"%s\" at \"%s\"\n", s_archiveFilePath.c_str(), file_ident);
-
- char * ptr = std::strchr(file_ident, '/');
- if (ptr != nullptr)
- *ptr = 0;
- filesize = std::strtoul(filesize_s, nullptr, 10);
- if (std::strncmp(s_archiveObjectPath.c_str(), file_ident, 16) == 0) {
- s_elfFileOffset = std::ftell(s_file);
- return;
- }
- Skip(filesize);
- }
-
- FATAL_ERROR("error: could not find object \"%s\" in archive \"%s\"\n", s_archiveObjectPath.c_str(), s_archiveFilePath.c_str());
-}
-
-static std::string GetSectionName(std::uint32_t shstrtabOffset, int index)
-{
- Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * index);
- std::uint32_t nameOffset = ReadInt32();
- Seek(shstrtabOffset + nameOffset);
- return ReadString();
-}
-
-static void FindTableOffsets()
-{
- s_symtabOffset = 0;
- s_strtabOffset = 0;
-
- Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * s_shstrtabIndex + 0x10);
- std::uint32_t shstrtabOffset = ReadInt32();
-
- for (int i = 0; i < s_sectionCount; i++)
- {
- std::string name = GetSectionName(shstrtabOffset, i);
-
- if (name == ".symtab")
- {
- if (s_symtabOffset)
- FATAL_ERROR("error: mutiple .symtab sections found in \"%s\"\n", s_elfPath.c_str());
- Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
- s_symtabOffset = ReadInt32();
- std::uint32_t size = ReadInt32();
- s_symbolCount = size / 16;
- }
- else if (name == ".strtab")
- {
- if (s_strtabOffset)
- FATAL_ERROR("error: mutiple .strtab sections found in \"%s\"\n", s_elfPath.c_str());
- Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
- s_strtabOffset = ReadInt32();
- }
- }
-
- if (!s_symtabOffset)
- FATAL_ERROR("error: couldn't find .symtab section in \"%s\"\n", s_elfPath.c_str());
-
- if (!s_strtabOffset)
- FATAL_ERROR("error: couldn't find .strtab section in \"%s\"\n", s_elfPath.c_str());
-}
-
-static std::map<std::string, std::uint32_t> GetCommonSymbols_Shared()
-{
- VerifyElfIdent();
- ReadElfHeader();
- FindTableOffsets();
-
- std::map<std::string, std::uint32_t> commonSymbols;
-
- std::vector<Symbol> commonSymbolVec;
-
- Seek(s_symtabOffset);
-
- for (std::uint32_t i = 0; i < s_symbolCount; i++)
- {
- Symbol sym;
- sym.nameOffset = ReadInt32();
- Skip(4);
- sym.size = ReadInt32();
- Skip(2);
- std::uint16_t sectionIndex = ReadInt16();
- if (sectionIndex == SHN_COMMON)
- commonSymbolVec.push_back(sym);
- }
-
- for (const Symbol& sym : commonSymbolVec)
- {
- Seek(s_strtabOffset + sym.nameOffset);
- std::string name = ReadString();
- commonSymbols[name] = sym.size;
- }
-
- return commonSymbols;
-}
-
-std::map<std::string, std::uint32_t> GetCommonSymbolsFromLib(std::string sourcePath, std::string libpath)
-{
- std::size_t colonPos = libpath.find(':');
- if (colonPos == std::string::npos)
- FATAL_ERROR("error: missing colon separator in libfile \"%s\"\n", s_elfPath.c_str());
-
- s_archiveObjectPath = libpath.substr(colonPos + 1);
- s_archiveFilePath = sourcePath + "/" + libpath.substr(1, colonPos - 1);
- s_elfPath = sourcePath + "/" + libpath.substr(1);
-
- s_file = std::fopen(s_archiveFilePath.c_str(), "rb");
-
- if (s_file == NULL)
- FATAL_ERROR("error: failed to open \"%s\" for reading\n", s_archiveFilePath.c_str());
-
- VerifyAr();
- FindArObj();
- return GetCommonSymbols_Shared();
-}
-
-std::map<std::string, std::uint32_t> GetCommonSymbols(std::string sourcePath, std::string path)
-{
- s_elfFileOffset = 0;
- if (path[0] == '*')
- return GetCommonSymbolsFromLib(sourcePath, path);
-
- s_elfPath = sourcePath + "/" + path;
- s_file = std::fopen(s_elfPath.c_str(), "rb");
-
- if (s_file == NULL)
- FATAL_ERROR("error: failed to open \"%s\" for reading\n", path.c_str());
-
- return GetCommonSymbols_Shared();
-}
+#include <cstdio>
+#include <cstring>
+#include <cstdint>
+#include <map>
+#include <vector>
+#include <string>
+#include "ramscrgen.h"
+#include "elf.h"
+
+#define SHN_COMMON 0xFFF2
+
+static std::string s_elfPath;
+static std::string s_archiveFilePath;
+static std::string s_archiveObjectPath;
+
+static FILE *s_file;
+
+static std::uint32_t s_sectionHeaderOffset;
+static int s_sectionHeaderEntrySize;
+static int s_sectionCount;
+static int s_shstrtabIndex;
+
+static std::uint32_t s_symtabOffset;
+static std::uint32_t s_strtabOffset;
+
+static std::uint32_t s_symbolCount;
+static std::uint32_t s_elfFileOffset;
+
+struct Symbol
+{
+ std::uint32_t nameOffset;
+ std::uint32_t size;
+};
+
+static void Seek(long offset)
+{
+ if (std::fseek(s_file, s_elfFileOffset + offset, SEEK_SET) != 0)
+ FATAL_ERROR("error: failed to seek to %ld in \"%s\"", offset, s_elfPath.c_str());
+}
+
+static void Skip(long offset)
+{
+ if (std::fseek(s_file, offset, SEEK_CUR) != 0)
+ FATAL_ERROR("error: failed to skip %ld bytes in \"%s\"", offset, s_elfPath.c_str());
+}
+
+static std::uint32_t ReadInt8()
+{
+ int c = std::fgetc(s_file);
+
+ if (c < 0)
+ FATAL_ERROR("error: unexpected EOF when reading ELF file \"%s\"\n", s_elfPath.c_str());
+
+ return c;
+}
+
+static std::uint32_t ReadInt16()
+{
+ std::uint32_t val = 0;
+ val |= ReadInt8();
+ val |= ReadInt8() << 8;
+ return val;
+}
+
+static std::uint32_t ReadInt32()
+{
+ std::uint32_t val = 0;
+ val |= ReadInt8();
+ val |= ReadInt8() << 8;
+ val |= ReadInt8() << 16;
+ val |= ReadInt8() << 24;
+ return val;
+}
+
+static std::string ReadString()
+{
+ std::string s;
+ char c;
+
+ while ((c = ReadInt8()) != 0)
+ s += c;
+
+ return s;
+}
+
+static void VerifyElfIdent()
+{
+ char expectedMagic[4] = { 0x7F, 'E', 'L', 'F' };
+ char magic[4];
+
+ if (std::fread(magic, 4, 1, s_file) != 1)
+ FATAL_ERROR("error: failed to read ELF magic from \"%s\"\n", s_elfPath.c_str());
+
+ if (std::memcmp(magic, expectedMagic, 4) != 0)
+ FATAL_ERROR("error: ELF magic did not match in \"%s\"\n", s_elfPath.c_str());
+
+ if (std::fgetc(s_file) != 1)
+ FATAL_ERROR("error: \"%s\" not 32-bit ELF\n", s_elfPath.c_str());
+
+ if (std::fgetc(s_file) != 1)
+ FATAL_ERROR("error: \"%s\" not little-endian ELF\n", s_elfPath.c_str());
+}
+
+static void VerifyAr()
+{
+ char expectedMagic[8] = {'!', '<', 'a', 'r', 'c', 'h', '>', '\n'};
+ char magic[8];
+
+ if (std::fread(magic, 8, 1, s_file) != 1)
+ FATAL_ERROR("error: failed to read AR magic from \"%s\"\n", s_archiveFilePath.c_str());
+
+ if (std::memcmp(magic, expectedMagic, 8) != 0)
+ FATAL_ERROR("error: AR magic did not match in \"%s\"\n", s_archiveFilePath.c_str());
+}
+
+static void ReadElfHeader()
+{
+ Seek(0x20);
+ s_sectionHeaderOffset = ReadInt32();
+ Seek(0x2E);
+ s_sectionHeaderEntrySize = ReadInt16();
+ s_sectionCount = ReadInt16();
+ s_shstrtabIndex = ReadInt16();
+}
+
+static void FindArObj()
+{
+ char file_ident[17] = {0};
+ char filesize_s[11] = {0};
+ char expectedEndMagic[2] = { 0x60, 0x0a };
+ char end_magic[2];
+ std::size_t filesize;
+
+ Seek(8);
+ while (!std::feof(s_file)) {
+ if (std::fread(file_ident, 16, 1, s_file) != 1)
+ FATAL_ERROR("error: failed to read file ident in \"%s\"\n", s_archiveFilePath.c_str());
+ Skip(32);
+ if (std::fread(filesize_s, 10, 1, s_file) != 1)
+ FATAL_ERROR("error: failed to read filesize in \"%s\"\n", s_archiveFilePath.c_str());
+ if (std::fread(end_magic, 2, 1, s_file) != 1)
+ FATAL_ERROR("error: failed to read end sentinel in \"%s\"\n", s_archiveFilePath.c_str());
+ if (std::memcmp(end_magic, expectedEndMagic, 2) != 0)
+ FATAL_ERROR("error: corrupted archive header in \"%s\" at \"%s\"\n", s_archiveFilePath.c_str(), file_ident);
+
+ char * ptr = std::strchr(file_ident, '/');
+ if (ptr != nullptr)
+ *ptr = 0;
+ filesize = std::strtoul(filesize_s, nullptr, 10);
+ if (std::strncmp(s_archiveObjectPath.c_str(), file_ident, 16) == 0) {
+ s_elfFileOffset = std::ftell(s_file);
+ return;
+ }
+ Skip(filesize);
+ }
+
+ FATAL_ERROR("error: could not find object \"%s\" in archive \"%s\"\n", s_archiveObjectPath.c_str(), s_archiveFilePath.c_str());
+}
+
+static std::string GetSectionName(std::uint32_t shstrtabOffset, int index)
+{
+ Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * index);
+ std::uint32_t nameOffset = ReadInt32();
+ Seek(shstrtabOffset + nameOffset);
+ return ReadString();
+}
+
+static void FindTableOffsets()
+{
+ s_symtabOffset = 0;
+ s_strtabOffset = 0;
+
+ Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * s_shstrtabIndex + 0x10);
+ std::uint32_t shstrtabOffset = ReadInt32();
+
+ for (int i = 0; i < s_sectionCount; i++)
+ {
+ std::string name = GetSectionName(shstrtabOffset, i);
+
+ if (name == ".symtab")
+ {
+ if (s_symtabOffset)
+ FATAL_ERROR("error: mutiple .symtab sections found in \"%s\"\n", s_elfPath.c_str());
+ Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
+ s_symtabOffset = ReadInt32();
+ std::uint32_t size = ReadInt32();
+ s_symbolCount = size / 16;
+ }
+ else if (name == ".strtab")
+ {
+ if (s_strtabOffset)
+ FATAL_ERROR("error: mutiple .strtab sections found in \"%s\"\n", s_elfPath.c_str());
+ Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
+ s_strtabOffset = ReadInt32();
+ }
+ }
+
+ if (!s_symtabOffset)
+ FATAL_ERROR("error: couldn't find .symtab section in \"%s\"\n", s_elfPath.c_str());
+
+ if (!s_strtabOffset)
+ FATAL_ERROR("error: couldn't find .strtab section in \"%s\"\n", s_elfPath.c_str());
+}
+
+static std::map<std::string, std::uint32_t> GetCommonSymbols_Shared()
+{
+ VerifyElfIdent();
+ ReadElfHeader();
+ FindTableOffsets();
+
+ std::map<std::string, std::uint32_t> commonSymbols;
+
+ std::vector<Symbol> commonSymbolVec;
+
+ Seek(s_symtabOffset);
+
+ for (std::uint32_t i = 0; i < s_symbolCount; i++)
+ {
+ Symbol sym;
+ sym.nameOffset = ReadInt32();
+ Skip(4);
+ sym.size = ReadInt32();
+ Skip(2);
+ std::uint16_t sectionIndex = ReadInt16();
+ if (sectionIndex == SHN_COMMON)
+ commonSymbolVec.push_back(sym);
+ }
+
+ for (const Symbol& sym : commonSymbolVec)
+ {
+ Seek(s_strtabOffset + sym.nameOffset);
+ std::string name = ReadString();
+ commonSymbols[name] = sym.size;
+ }
+
+ return commonSymbols;
+}
+
+std::map<std::string, std::uint32_t> GetCommonSymbolsFromLib(std::string sourcePath, std::string libpath)
+{
+ std::size_t colonPos = libpath.find(':');
+ if (colonPos == std::string::npos)
+ FATAL_ERROR("error: missing colon separator in libfile \"%s\"\n", s_elfPath.c_str());
+
+ s_archiveObjectPath = libpath.substr(colonPos + 1);
+ s_archiveFilePath = sourcePath + "/" + libpath.substr(1, colonPos - 1);
+ s_elfPath = sourcePath + "/" + libpath.substr(1);
+
+ s_file = std::fopen(s_archiveFilePath.c_str(), "rb");
+
+ if (s_file == NULL)
+ FATAL_ERROR("error: failed to open \"%s\" for reading\n", s_archiveFilePath.c_str());
+
+ VerifyAr();
+ FindArObj();
+ return GetCommonSymbols_Shared();
+}
+
+std::map<std::string, std::uint32_t> GetCommonSymbols(std::string sourcePath, std::string path)
+{
+ s_elfFileOffset = 0;
+ if (path[0] == '*')
+ return GetCommonSymbolsFromLib(sourcePath, path);
+
+ s_elfPath = sourcePath + "/" + path;
+ s_file = std::fopen(s_elfPath.c_str(), "rb");
+
+ if (s_file == NULL)
+ FATAL_ERROR("error: failed to open \"%s\" for reading\n", path.c_str());
+
+ return GetCommonSymbols_Shared();
+}
diff --git a/tools/ramscrgen/main.cpp b/tools/ramscrgen/main.cpp
index faeba46..5e5894f 100644
--- a/tools/ramscrgen/main.cpp
+++ b/tools/ramscrgen/main.cpp
@@ -1,187 +1,187 @@
-// Copyright(c) 2016 YamaArashi
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <cstdio>
-#include <cstring>
-#include <string>
-#include "ramscrgen.h"
-#include "sym_file.h"
-#include "elf.h"
-
-void HandleCommonInclude(std::string filename, std::string sourcePath, std::string symOrderPath, std::string lang)
-{
- auto commonSymbols = GetCommonSymbols(sourcePath, filename);
- std::size_t dotIndex;
-
- if (filename[0] == '*') {
- dotIndex = filename.find_last_of(':');
- filename = filename.substr(dotIndex + 1);
- }
-
- dotIndex = filename.find_last_of('.');
-
- if (dotIndex == std::string::npos)
- FATAL_ERROR("error: \"%s\" doesn't have a file extension\n", filename.c_str());
-
- std::string symOrderFilename = filename.substr(0, dotIndex + 1) + "txt";
-
- SymFile symFile(symOrderPath + "/" + symOrderFilename);
-
- while (!symFile.IsAtEnd())
- {
- symFile.HandleLangConditional(lang);
-
- std::string label = symFile.GetLabel(false);
-
- if (label.length() == 0)
- {
- unsigned long length;
- if (symFile.ReadInteger(length))
- {
- if (length & 3)
- symFile.RaiseWarning("gap length %d is not multiple of 4", length);
- printf(". += 0x%lX;\n", length);
- }
- }
- else
- {
- if (commonSymbols.count(label) == 0)
- symFile.RaiseError("no common symbol named \"%s\"", label.c_str());
- unsigned long size = commonSymbols[label];
- int alignment = 4;
- if (size > 4)
- alignment = 8;
- if (size > 8)
- alignment = 16;
- printf(". = ALIGN(%d);\n", alignment);
- printf("%s = .;\n", label.c_str());
- printf(". += 0x%lX;\n", size);
- }
-
- symFile.ExpectEmptyRestOfLine();
- }
-}
-
-void ConvertSymFile(std::string filename, std::string sectionName, std::string lang, bool common, std::string sourcePath, std::string commonSymPath, std::string libSourcePath)
-{
- SymFile symFile(filename);
-
- while (!symFile.IsAtEnd())
- {
- symFile.HandleLangConditional(lang);
-
- Directive directive = symFile.GetDirective();
-
- switch (directive)
- {
- case Directive::Include:
- {
- std::string incFilename = symFile.ReadPath();
- symFile.ExpectEmptyRestOfLine();
- printf(". = ALIGN(4);\n");
- if (common)
- HandleCommonInclude(incFilename, incFilename[0] == '*' ? libSourcePath : sourcePath, commonSymPath, lang);
- else
- printf("%s(%s);\n", incFilename.c_str(), sectionName.c_str());
- break;
- }
- case Directive::Space:
- {
- unsigned long length;
- if (!symFile.ReadInteger(length))
- symFile.RaiseError("expected integer after .space directive");
- symFile.ExpectEmptyRestOfLine();
- printf(". += 0x%lX;\n", length);
- break;
- }
- case Directive::Align:
- {
- unsigned long amount;
- if (!symFile.ReadInteger(amount))
- symFile.RaiseError("expected integer after .align directive");
- if (amount > 4)
- symFile.RaiseError("max alignment amount is 4");
- amount = 1UL << amount;
- symFile.ExpectEmptyRestOfLine();
- printf(". = ALIGN(%lu);\n", amount);
- break;
- }
- case Directive::Unknown:
- {
- std::string label = symFile.GetLabel();
-
- if (label.length() != 0)
- {
- printf("%s = .;\n", label.c_str());
- }
-
- symFile.ExpectEmptyRestOfLine();
-
- break;
- }
- }
- }
-}
-
-int main(int argc, char **argv)
-{
- if (argc < 4)
- {
- fprintf(stderr, "Usage: %s SECTION_NAME SYM_FILE LANG [-c SRC_PATH,COMMON_SYM_PATH]", argv[0]);
- return 1;
- }
-
- bool common = false;
- std::string sectionName = std::string(argv[1]);
- std::string symFileName = std::string(argv[2]);
- std::string lang = std::string(argv[3]);
- std::string sourcePath;
- std::string commonSymPath;
- std::string libSourcePath;
-
- if (argc > 4)
- {
- if (std::strcmp(argv[4], "-c") != 0)
- FATAL_ERROR("error: unrecognized argument \"%s\"\n", argv[4]);
-
- if (argc < 6)
- FATAL_ERROR("error: missing SRC_PATH,COMMON_SYM_PATH after \"-c\"\n");
-
- common = true;
- std::string paths = std::string(argv[5]);
- std::size_t commaPos = paths.find(',');
-
- if (commaPos == std::string::npos)
- FATAL_ERROR("error: missing comma in argument after \"-c\"\n");
-
- sourcePath = paths.substr(0, commaPos);
- commonSymPath = paths.substr(commaPos + 1);
- commaPos = commonSymPath.find(',');
- if (commaPos == std::string::npos) {
- libSourcePath = "tools/agbcc/lib";
- } else {
- libSourcePath = commonSymPath.substr(commaPos + 1);
- commonSymPath = commonSymPath.substr(0, commaPos);
- }
- }
-
- ConvertSymFile(symFileName, sectionName, lang, common, sourcePath, commonSymPath, libSourcePath);
- return 0;
-}
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include "ramscrgen.h"
+#include "sym_file.h"
+#include "elf.h"
+
+void HandleCommonInclude(std::string filename, std::string sourcePath, std::string symOrderPath, std::string lang)
+{
+ auto commonSymbols = GetCommonSymbols(sourcePath, filename);
+ std::size_t dotIndex;
+
+ if (filename[0] == '*') {
+ dotIndex = filename.find_last_of(':');
+ filename = filename.substr(dotIndex + 1);
+ }
+
+ dotIndex = filename.find_last_of('.');
+
+ if (dotIndex == std::string::npos)
+ FATAL_ERROR("error: \"%s\" doesn't have a file extension\n", filename.c_str());
+
+ std::string symOrderFilename = filename.substr(0, dotIndex + 1) + "txt";
+
+ SymFile symFile(symOrderPath + "/" + symOrderFilename);
+
+ while (!symFile.IsAtEnd())
+ {
+ symFile.HandleLangConditional(lang);
+
+ std::string label = symFile.GetLabel(false);
+
+ if (label.length() == 0)
+ {
+ unsigned long length;
+ if (symFile.ReadInteger(length))
+ {
+ if (length & 3)
+ symFile.RaiseWarning("gap length %d is not multiple of 4", length);
+ printf(". += 0x%lX;\n", length);
+ }
+ }
+ else
+ {
+ if (commonSymbols.count(label) == 0)
+ symFile.RaiseError("no common symbol named \"%s\"", label.c_str());
+ unsigned long size = commonSymbols[label];
+ int alignment = 4;
+ if (size > 4)
+ alignment = 8;
+ if (size > 8)
+ alignment = 16;
+ printf(". = ALIGN(%d);\n", alignment);
+ printf("%s = .;\n", label.c_str());
+ printf(". += 0x%lX;\n", size);
+ }
+
+ symFile.ExpectEmptyRestOfLine();
+ }
+}
+
+void ConvertSymFile(std::string filename, std::string sectionName, std::string lang, bool common, std::string sourcePath, std::string commonSymPath, std::string libSourcePath)
+{
+ SymFile symFile(filename);
+
+ while (!symFile.IsAtEnd())
+ {
+ symFile.HandleLangConditional(lang);
+
+ Directive directive = symFile.GetDirective();
+
+ switch (directive)
+ {
+ case Directive::Include:
+ {
+ std::string incFilename = symFile.ReadPath();
+ symFile.ExpectEmptyRestOfLine();
+ printf(". = ALIGN(4);\n");
+ if (common)
+ HandleCommonInclude(incFilename, incFilename[0] == '*' ? libSourcePath : sourcePath, commonSymPath, lang);
+ else
+ printf("%s(%s);\n", incFilename.c_str(), sectionName.c_str());
+ break;
+ }
+ case Directive::Space:
+ {
+ unsigned long length;
+ if (!symFile.ReadInteger(length))
+ symFile.RaiseError("expected integer after .space directive");
+ symFile.ExpectEmptyRestOfLine();
+ printf(". += 0x%lX;\n", length);
+ break;
+ }
+ case Directive::Align:
+ {
+ unsigned long amount;
+ if (!symFile.ReadInteger(amount))
+ symFile.RaiseError("expected integer after .align directive");
+ if (amount > 4)
+ symFile.RaiseError("max alignment amount is 4");
+ amount = 1UL << amount;
+ symFile.ExpectEmptyRestOfLine();
+ printf(". = ALIGN(%lu);\n", amount);
+ break;
+ }
+ case Directive::Unknown:
+ {
+ std::string label = symFile.GetLabel();
+
+ if (label.length() != 0)
+ {
+ printf("%s = .;\n", label.c_str());
+ }
+
+ symFile.ExpectEmptyRestOfLine();
+
+ break;
+ }
+ }
+ }
+}
+
+int main(int argc, char **argv)
+{
+ if (argc < 4)
+ {
+ fprintf(stderr, "Usage: %s SECTION_NAME SYM_FILE LANG [-c SRC_PATH,COMMON_SYM_PATH]", argv[0]);
+ return 1;
+ }
+
+ bool common = false;
+ std::string sectionName = std::string(argv[1]);
+ std::string symFileName = std::string(argv[2]);
+ std::string lang = std::string(argv[3]);
+ std::string sourcePath;
+ std::string commonSymPath;
+ std::string libSourcePath;
+
+ if (argc > 4)
+ {
+ if (std::strcmp(argv[4], "-c") != 0)
+ FATAL_ERROR("error: unrecognized argument \"%s\"\n", argv[4]);
+
+ if (argc < 6)
+ FATAL_ERROR("error: missing SRC_PATH,COMMON_SYM_PATH after \"-c\"\n");
+
+ common = true;
+ std::string paths = std::string(argv[5]);
+ std::size_t commaPos = paths.find(',');
+
+ if (commaPos == std::string::npos)
+ FATAL_ERROR("error: missing comma in argument after \"-c\"\n");
+
+ sourcePath = paths.substr(0, commaPos);
+ commonSymPath = paths.substr(commaPos + 1);
+ commaPos = commonSymPath.find(',');
+ if (commaPos == std::string::npos) {
+ libSourcePath = "tools/agbcc/lib";
+ } else {
+ libSourcePath = commonSymPath.substr(commaPos + 1);
+ commonSymPath = commonSymPath.substr(0, commaPos);
+ }
+ }
+
+ ConvertSymFile(symFileName, sectionName, lang, common, sourcePath, commonSymPath, libSourcePath);
+ return 0;
+}
diff --git a/tools/ramscrgen/sym_file.cpp b/tools/ramscrgen/sym_file.cpp
index 1272ef1..5379bd9 100644
--- a/tools/ramscrgen/sym_file.cpp
+++ b/tools/ramscrgen/sym_file.cpp
@@ -1,492 +1,492 @@
-// Copyright(c) 2016 YamaArashi
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#include <cstdio>
-#include <cstdarg>
-#include <climits>
-#include "ramscrgen.h"
-#include "sym_file.h"
-#include "char_util.h"
-
-SymFile::SymFile(std::string filename) : m_filename(filename)
-{
- FILE *fp = std::fopen(filename.c_str(), "rb");
-
- if (fp == NULL)
- FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str());
-
- std::fseek(fp, 0, SEEK_END);
-
- m_size = std::ftell(fp);
-
- if (m_size < 0)
- FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str());
-
- m_buffer = new char[m_size + 1];
-
- std::rewind(fp);
-
- if (std::fread(m_buffer, m_size, 1, fp) != 1)
- FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str());
-
- m_buffer[m_size] = 0;
-
- std::fclose(fp);
-
- m_pos = 0;
- m_lineNum = 1;
- m_lineStart = 0;
- m_inLangConditional = false;
-
- RemoveComments();
-}
-
-SymFile::SymFile(SymFile&& other) : m_filename(std::move(other.m_filename))
-{
- m_buffer = other.m_buffer;
- m_pos = other.m_pos;
- m_size = other.m_size;
- m_lineNum = other.m_lineNum;
- m_lineStart = other.m_lineStart;
-
- other.m_buffer = nullptr;
-}
-
-SymFile::~SymFile()
-{
- delete[] m_buffer;
-}
-
-// Removes comments to simplify further processing.
-// It stops upon encountering a null character,
-// which may or may not be the end of file marker.
-// If it's not, the error will be caught later.
-void SymFile::RemoveComments()
-{
- long pos = 0;
- char stringChar = 0;
-
- for (;;)
- {
- if (m_buffer[pos] == 0)
- return;
-
- if (stringChar != 0)
- {
- if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar)
- {
- pos += 2;
- }
- else
- {
- if (m_buffer[pos] == stringChar)
- stringChar = 0;
- pos++;
- }
- }
- else if (m_buffer[pos] == '@' && (pos == 0 || m_buffer[pos - 1] != '\\'))
- {
- while (m_buffer[pos] != '\n' && m_buffer[pos] != 0)
- m_buffer[pos++] = ' ';
- }
- else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*')
- {
- m_buffer[pos++] = ' ';
- m_buffer[pos++] = ' ';
-
- char commentStringChar = 0;
-
- for (;;)
- {
- if (m_buffer[pos] == 0)
- return;
-
- if (commentStringChar != 0)
- {
- if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == commentStringChar)
- {
- m_buffer[pos++] = ' ';
- m_buffer[pos++] = ' ';
- }
- else
- {
- if (m_buffer[pos] == commentStringChar)
- commentStringChar = 0;
- if (m_buffer[pos] != '\n')
- m_buffer[pos] = ' ';
- pos++;
- }
- }
- else
- {
- if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/')
- {
- m_buffer[pos++] = ' ';
- m_buffer[pos++] = ' ';
- break;
- }
- else
- {
- if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
- commentStringChar = m_buffer[pos];
- if (m_buffer[pos] != '\n')
- m_buffer[pos] = ' ';
- pos++;
- }
- }
- }
- }
- else
- {
- if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
- stringChar = m_buffer[pos];
- pos++;
- }
- }
-}
-
-// Checks if we're at a particular directive and if so, consumes it.
-// Returns whether the directive was found.
-bool SymFile::CheckForDirective(std::string name)
-{
- long i;
- long length = static_cast<long>(name.length());
-
- for (i = 0; i < length && m_pos + i < m_size; i++)
- if (name[i] != m_buffer[m_pos + i])
- return false;
-
- if (i < length)
- return false;
-
- m_pos += length;
-
- return true;
-}
-
-// Checks if we're at a known directive and if so, consumes it.
-// Returns which directive was found.
-Directive SymFile::GetDirective()
-{
- SkipWhitespace();
-
- if (CheckForDirective(".include"))
- return Directive::Include;
- else if (CheckForDirective(".space"))
- return Directive::Space;
- else if (CheckForDirective(".align"))
- return Directive::Align;
- else
- return Directive::Unknown;
-}
-
-// Checks if we're at label.
-// Returns the name if so and an empty string if not.
-std::string SymFile::GetLabel(bool requireColon)
-{
- long start = m_pos;
- long pos = m_pos;
-
- if (IsIdentifierStartingChar(m_buffer[pos]))
- {
- pos++;
-
- while (IsIdentifierChar(m_buffer[pos]))
- pos++;
- }
-
- if (requireColon)
- {
- if (m_buffer[pos] == ':')
- {
- if (pos != start)
- m_pos = pos + 1;
- }
- else
- {
- pos = start;
- }
- }
- else
- {
- m_pos = pos;
- }
-
- return std::string(&m_buffer[start], pos - start);
-}
-
-// Skips tabs and spaces.
-void SymFile::SkipWhitespace()
-{
- while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')
- m_pos++;
-}
-
-// Reads include path.
-std::string SymFile::ReadPath()
-{
- SkipWhitespace();
-
- if (m_buffer[m_pos] != '"')
- RaiseError("expected file path");
-
- m_pos++;
-
- int length = 0;
- long startPos = m_pos;
-
- while (m_buffer[m_pos] != '"')
- {
- unsigned char c = m_buffer[m_pos++];
-
- if (c == 0)
- {
- if (m_pos >= m_size)
- RaiseError("unexpected EOF in include string");
- else
- RaiseError("unexpected null character in include string");
- }
-
- if (!IsAsciiPrintable(c))
- RaiseError("unexpected character '\\x%02X' in include string", c);
-
- // Don't bother allowing any escape sequences.
- if (c == '\\')
- {
- c = m_buffer[m_pos];
- RaiseError("unexpected escape '\\%c' in include string", c);
- }
-
- length++;
-
- if (length > kMaxPath)
- RaiseError("path is too long");
- }
-
- m_pos++; // Go past the right quote.
-
- return std::string(&m_buffer[startPos], length);
-}
-
-// If we're at a comma, consumes it.
-// Returns whether a comma was found.
-bool SymFile::ConsumeComma()
-{
- if (m_buffer[m_pos] == ',')
- {
- m_pos++;
- return true;
- }
-
- return false;
-}
-
-// Converts digit character to numerical value.
-static int ConvertDigit(char c, int radix)
-{
- int digit;
-
- if (c >= '0' && c <= '9')
- digit = c - '0';
- else if (c >= 'A' && c <= 'F')
- digit = 10 + c - 'A';
- else if (c >= 'a' && c <= 'f')
- digit = 10 + c - 'a';
- else
- return -1;
-
- return (digit < radix) ? digit : -1;
-}
-
-// Reads an integer.
-bool SymFile::ReadInteger(unsigned long& n)
-{
- SkipWhitespace();
-
- if (!IsAsciiDigit(m_buffer[m_pos]))
- return false;
-
- int startPos = m_pos;
- int radix = 10;
-
- if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x')
- {
- radix = 16;
- m_pos += 2;
- }
-
- unsigned long cutoff = ULONG_MAX / radix;
- unsigned long cutoffRemainder = ULONG_MAX % radix;
- int digit;
-
- n = 0;
-
- while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1)
- {
- if (n < cutoff || (n == cutoff && (unsigned long)digit <= cutoffRemainder))
- {
- n = n * radix + digit;
- }
- else
- {
- m_pos++;
-
- while (ConvertDigit(m_buffer[m_pos], radix) != -1)
- m_pos++;
-
- RaiseError("integer is too large (%s)", std::string(&m_buffer[startPos], m_pos - startPos).c_str());
- }
-
- m_pos++;
- }
-
- return true;
-}
-
-// Asserts that the rest of the line is empty and moves to the next one.
-void SymFile::ExpectEmptyRestOfLine()
-{
- SkipWhitespace();
-
- if (m_buffer[m_pos] == 0)
- {
- if (m_pos >= m_size)
- RaiseWarning("file doesn't end with newline");
- else
- RaiseError("unexpected null character");
- }
- else if (m_buffer[m_pos] == '\n')
- {
- m_pos++;
- m_lineStart = m_pos;
- m_lineNum++;
- }
- else if (m_buffer[m_pos] == '\r')
- {
- RaiseError("only Unix-style LF newlines are supported");
- }
- else
- {
- RaiseError("junk at end of line");
- }
-}
-
-
-void SymFile::SkipLine()
-{
- while (m_buffer[m_pos] != 0 && m_buffer[m_pos] != '\n')
- m_pos++;
-
- if (m_buffer[m_pos] == '\n')
- m_pos++;
-}
-
-// Checks if we're at the end of the file.
-bool SymFile::IsAtEnd()
-{
- return (m_pos >= m_size);
-}
-
-void SymFile::HandleLangConditional(std::string lang)
-{
- if (m_buffer[m_pos] != '#')
- return;
-
- m_pos++;
-
- if (CheckForDirective("begin"))
- {
- if (m_inLangConditional)
- RaiseError("already inside language conditional");
-
- SkipWhitespace();
-
- std::string label = GetLabel(false);
-
- if (label.length() == 0)
- RaiseError("no language name after #begin");
-
- ExpectEmptyRestOfLine();
-
- if (lang == label)
- {
- m_inLangConditional = true;
- }
- else
- {
- while (!IsAtEnd() && m_buffer[m_pos] != '#')
- SkipLine();
-
- if (m_buffer[m_pos] != '#')
- RaiseError("unterminated language conditional");
-
- m_pos++;
-
- if (!CheckForDirective("end"))
- RaiseError("expected #end");
-
- ExpectEmptyRestOfLine();
- }
- }
- else if (CheckForDirective("end"))
- {
- if (!m_inLangConditional)
- RaiseError("not inside language conditional");
-
- m_inLangConditional = false;
-
- ExpectEmptyRestOfLine();
- }
- else
- {
- RaiseError("unknown # directive");
- }
-}
-
-// Reports a diagnostic message.
-void SymFile::ReportDiagnostic(const char* type, const char* format, std::va_list args)
-{
- const int bufferSize = 1024;
- char buffer[bufferSize];
- std::vsnprintf(buffer, bufferSize, format, args);
- std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer);
-}
-
-#define DO_REPORT(type) \
-do \
-{ \
- std::va_list args; \
- va_start(args, format); \
- ReportDiagnostic(type, format, args); \
- va_end(args); \
-} while (0)
-
-// Reports an error diagnostic and terminates the program.
-void SymFile::RaiseError(const char* format, ...)
-{
- DO_REPORT("error");
- std::exit(1);
-}
-
-// Reports a warning diagnostic.
-void SymFile::RaiseWarning(const char* format, ...)
-{
- DO_REPORT("warning");
-}
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <cstdarg>
+#include <climits>
+#include "ramscrgen.h"
+#include "sym_file.h"
+#include "char_util.h"
+
+SymFile::SymFile(std::string filename) : m_filename(filename)
+{
+ FILE *fp = std::fopen(filename.c_str(), "rb");
+
+ if (fp == NULL)
+ FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str());
+
+ std::fseek(fp, 0, SEEK_END);
+
+ m_size = std::ftell(fp);
+
+ if (m_size < 0)
+ FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str());
+
+ m_buffer = new char[m_size + 1];
+
+ std::rewind(fp);
+
+ if (std::fread(m_buffer, m_size, 1, fp) != 1)
+ FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str());
+
+ m_buffer[m_size] = 0;
+
+ std::fclose(fp);
+
+ m_pos = 0;
+ m_lineNum = 1;
+ m_lineStart = 0;
+ m_inLangConditional = false;
+
+ RemoveComments();
+}
+
+SymFile::SymFile(SymFile&& other) : m_filename(std::move(other.m_filename))
+{
+ m_buffer = other.m_buffer;
+ m_pos = other.m_pos;
+ m_size = other.m_size;
+ m_lineNum = other.m_lineNum;
+ m_lineStart = other.m_lineStart;
+
+ other.m_buffer = nullptr;
+}
+
+SymFile::~SymFile()
+{
+ delete[] m_buffer;
+}
+
+// Removes comments to simplify further processing.
+// It stops upon encountering a null character,
+// which may or may not be the end of file marker.
+// If it's not, the error will be caught later.
+void SymFile::RemoveComments()
+{
+ long pos = 0;
+ char stringChar = 0;
+
+ for (;;)
+ {
+ if (m_buffer[pos] == 0)
+ return;
+
+ if (stringChar != 0)
+ {
+ if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar)
+ {
+ pos += 2;
+ }
+ else
+ {
+ if (m_buffer[pos] == stringChar)
+ stringChar = 0;
+ pos++;
+ }
+ }
+ else if (m_buffer[pos] == '@' && (pos == 0 || m_buffer[pos - 1] != '\\'))
+ {
+ while (m_buffer[pos] != '\n' && m_buffer[pos] != 0)
+ m_buffer[pos++] = ' ';
+ }
+ else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*')
+ {
+ m_buffer[pos++] = ' ';
+ m_buffer[pos++] = ' ';
+
+ char commentStringChar = 0;
+
+ for (;;)
+ {
+ if (m_buffer[pos] == 0)
+ return;
+
+ if (commentStringChar != 0)
+ {
+ if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == commentStringChar)
+ {
+ m_buffer[pos++] = ' ';
+ m_buffer[pos++] = ' ';
+ }
+ else
+ {
+ if (m_buffer[pos] == commentStringChar)
+ commentStringChar = 0;
+ if (m_buffer[pos] != '\n')
+ m_buffer[pos] = ' ';
+ pos++;
+ }
+ }
+ else
+ {
+ if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/')
+ {
+ m_buffer[pos++] = ' ';
+ m_buffer[pos++] = ' ';
+ break;
+ }
+ else
+ {
+ if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
+ commentStringChar = m_buffer[pos];
+ if (m_buffer[pos] != '\n')
+ m_buffer[pos] = ' ';
+ pos++;
+ }
+ }
+ }
+ }
+ else
+ {
+ if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
+ stringChar = m_buffer[pos];
+ pos++;
+ }
+ }
+}
+
+// Checks if we're at a particular directive and if so, consumes it.
+// Returns whether the directive was found.
+bool SymFile::CheckForDirective(std::string name)
+{
+ long i;
+ long length = static_cast<long>(name.length());
+
+ for (i = 0; i < length && m_pos + i < m_size; i++)
+ if (name[i] != m_buffer[m_pos + i])
+ return false;
+
+ if (i < length)
+ return false;
+
+ m_pos += length;
+
+ return true;
+}
+
+// Checks if we're at a known directive and if so, consumes it.
+// Returns which directive was found.
+Directive SymFile::GetDirective()
+{
+ SkipWhitespace();
+
+ if (CheckForDirective(".include"))
+ return Directive::Include;
+ else if (CheckForDirective(".space"))
+ return Directive::Space;
+ else if (CheckForDirective(".align"))
+ return Directive::Align;
+ else
+ return Directive::Unknown;
+}
+
+// Checks if we're at label.
+// Returns the name if so and an empty string if not.
+std::string SymFile::GetLabel(bool requireColon)
+{
+ long start = m_pos;
+ long pos = m_pos;
+
+ if (IsIdentifierStartingChar(m_buffer[pos]))
+ {
+ pos++;
+
+ while (IsIdentifierChar(m_buffer[pos]))
+ pos++;
+ }
+
+ if (requireColon)
+ {
+ if (m_buffer[pos] == ':')
+ {
+ if (pos != start)
+ m_pos = pos + 1;
+ }
+ else
+ {
+ pos = start;
+ }
+ }
+ else
+ {
+ m_pos = pos;
+ }
+
+ return std::string(&m_buffer[start], pos - start);
+}
+
+// Skips tabs and spaces.
+void SymFile::SkipWhitespace()
+{
+ while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')
+ m_pos++;
+}
+
+// Reads include path.
+std::string SymFile::ReadPath()
+{
+ SkipWhitespace();
+
+ if (m_buffer[m_pos] != '"')
+ RaiseError("expected file path");
+
+ m_pos++;
+
+ int length = 0;
+ long startPos = m_pos;
+
+ while (m_buffer[m_pos] != '"')
+ {
+ unsigned char c = m_buffer[m_pos++];
+
+ if (c == 0)
+ {
+ if (m_pos >= m_size)
+ RaiseError("unexpected EOF in include string");
+ else
+ RaiseError("unexpected null character in include string");
+ }
+
+ if (!IsAsciiPrintable(c))
+ RaiseError("unexpected character '\\x%02X' in include string", c);
+
+ // Don't bother allowing any escape sequences.
+ if (c == '\\')
+ {
+ c = m_buffer[m_pos];
+ RaiseError("unexpected escape '\\%c' in include string", c);
+ }
+
+ length++;
+
+ if (length > kMaxPath)
+ RaiseError("path is too long");
+ }
+
+ m_pos++; // Go past the right quote.
+
+ return std::string(&m_buffer[startPos], length);
+}
+
+// If we're at a comma, consumes it.
+// Returns whether a comma was found.
+bool SymFile::ConsumeComma()
+{
+ if (m_buffer[m_pos] == ',')
+ {
+ m_pos++;
+ return true;
+ }
+
+ return false;
+}
+
+// Converts digit character to numerical value.
+static int ConvertDigit(char c, int radix)
+{
+ int digit;
+
+ if (c >= '0' && c <= '9')
+ digit = c - '0';
+ else if (c >= 'A' && c <= 'F')
+ digit = 10 + c - 'A';
+ else if (c >= 'a' && c <= 'f')
+ digit = 10 + c - 'a';
+ else
+ return -1;
+
+ return (digit < radix) ? digit : -1;
+}
+
+// Reads an integer.
+bool SymFile::ReadInteger(unsigned long& n)
+{
+ SkipWhitespace();
+
+ if (!IsAsciiDigit(m_buffer[m_pos]))
+ return false;
+
+ int startPos = m_pos;
+ int radix = 10;
+
+ if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x')
+ {
+ radix = 16;
+ m_pos += 2;
+ }
+
+ unsigned long cutoff = ULONG_MAX / radix;
+ unsigned long cutoffRemainder = ULONG_MAX % radix;
+ int digit;
+
+ n = 0;
+
+ while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1)
+ {
+ if (n < cutoff || (n == cutoff && (unsigned long)digit <= cutoffRemainder))
+ {
+ n = n * radix + digit;
+ }
+ else
+ {
+ m_pos++;
+
+ while (ConvertDigit(m_buffer[m_pos], radix) != -1)
+ m_pos++;
+
+ RaiseError("integer is too large (%s)", std::string(&m_buffer[startPos], m_pos - startPos).c_str());
+ }
+
+ m_pos++;
+ }
+
+ return true;
+}
+
+// Asserts that the rest of the line is empty and moves to the next one.
+void SymFile::ExpectEmptyRestOfLine()
+{
+ SkipWhitespace();
+
+ if (m_buffer[m_pos] == 0)
+ {
+ if (m_pos >= m_size)
+ RaiseWarning("file doesn't end with newline");
+ else
+ RaiseError("unexpected null character");
+ }
+ else if (m_buffer[m_pos] == '\n')
+ {
+ m_pos++;
+ m_lineStart = m_pos;
+ m_lineNum++;
+ }
+ else if (m_buffer[m_pos] == '\r')
+ {
+ RaiseError("only Unix-style LF newlines are supported");
+ }
+ else
+ {
+ RaiseError("junk at end of line");
+ }
+}
+
+
+void SymFile::SkipLine()
+{
+ while (m_buffer[m_pos] != 0 && m_buffer[m_pos] != '\n')
+ m_pos++;
+
+ if (m_buffer[m_pos] == '\n')
+ m_pos++;
+}
+
+// Checks if we're at the end of the file.
+bool SymFile::IsAtEnd()
+{
+ return (m_pos >= m_size);
+}
+
+void SymFile::HandleLangConditional(std::string lang)
+{
+ if (m_buffer[m_pos] != '#')
+ return;
+
+ m_pos++;
+
+ if (CheckForDirective("begin"))
+ {
+ if (m_inLangConditional)
+ RaiseError("already inside language conditional");
+
+ SkipWhitespace();
+
+ std::string label = GetLabel(false);
+
+ if (label.length() == 0)
+ RaiseError("no language name after #begin");
+
+ ExpectEmptyRestOfLine();
+
+ if (lang == label)
+ {
+ m_inLangConditional = true;
+ }
+ else
+ {
+ while (!IsAtEnd() && m_buffer[m_pos] != '#')
+ SkipLine();
+
+ if (m_buffer[m_pos] != '#')
+ RaiseError("unterminated language conditional");
+
+ m_pos++;
+
+ if (!CheckForDirective("end"))
+ RaiseError("expected #end");
+
+ ExpectEmptyRestOfLine();
+ }
+ }
+ else if (CheckForDirective("end"))
+ {
+ if (!m_inLangConditional)
+ RaiseError("not inside language conditional");
+
+ m_inLangConditional = false;
+
+ ExpectEmptyRestOfLine();
+ }
+ else
+ {
+ RaiseError("unknown # directive");
+ }
+}
+
+// Reports a diagnostic message.
+void SymFile::ReportDiagnostic(const char* type, const char* format, std::va_list args)
+{
+ const int bufferSize = 1024;
+ char buffer[bufferSize];
+ std::vsnprintf(buffer, bufferSize, format, args);
+ std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer);
+}
+
+#define DO_REPORT(type) \
+do \
+{ \
+ std::va_list args; \
+ va_start(args, format); \
+ ReportDiagnostic(type, format, args); \
+ va_end(args); \
+} while (0)
+
+// Reports an error diagnostic and terminates the program.
+void SymFile::RaiseError(const char* format, ...)
+{
+ DO_REPORT("error");
+ std::exit(1);
+}
+
+// Reports a warning diagnostic.
+void SymFile::RaiseWarning(const char* format, ...)
+{
+ DO_REPORT("warning");
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-06 08:13:42 +0000