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// 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;
}
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