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Incorporated changes by Nicolas Rolland and Don Cross to build the Arduino core as a library (.a), thereby decreasing the size of a compiled sketch by enabling the linker to only link in what's needed.

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This commit is contained in:
David A. Mellis 2007-01-12 18:47:59 +00:00
parent 41d50ae572
commit f29050aa25
1 changed files with 30 additions and 11 deletions
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41
app/Compiler.java
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@ -2,7 +2,9 @@
/*
Compiler - default compiler class that connects to avr-gcc
Part of the Arduino project - http://arduino.berlios.de/
Part of the Arduino project - http://www.arduino.cc/
Modified by David A. Mellis
Copyright (c) 2004-05 Hernando Barragan
@ -147,6 +149,15 @@ public class Compiler implements MessageConsumer {
"-o",
" ",
};
String runtimeLibraryName = buildPath + File.separator + "core.a";
String baseCommandAR[] = new String[] {
avrBasePath + "avr-ar",
"rcs",
runtimeLibraryName,
" "
};
// use lib object files during include
//String[] libObjectFiles = libraryManager.getObjectFiles();
@ -223,10 +234,15 @@ public class Compiler implements MessageConsumer {
String sourceNamesCPP[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String objectNames[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String objectNamesCPP[] = new String[sketch.codeCount + target.getSourceFilenames().size()];
String targetObjectNames[] = new String[target.getSourceFilenames().size()];
String sketchObjectNames[] = new String[sketch.codeCount];
int fileCount = 0;
int fileCountCPP = 0;
int targetCount = 0;
int sketchCount = 0;
for (int i = 0; i < sketch.codeCount; i++) {
if (sketch.code[i].preprocName != null) {
sketchObjectNames[sketchCount++] = buildPath + File.separator + sketch.code[i].preprocName + ".o";
if (sketch.code[i].preprocName.endsWith(".c")) {
sourceNames[fileCount] = buildPath + File.separator + sketch.code[i].preprocName;
objectNames[fileCount++] = buildPath + File.separator + sketch.code[i].preprocName + ".o";
@ -239,6 +255,7 @@ public class Compiler implements MessageConsumer {
for (Iterator iter = target.getSourceFilenames().iterator(); iter.hasNext(); ) {
String filename = (String) iter.next();
if (filename != null) {
targetObjectNames[targetCount++] = buildPath + File.separator + filename + ".o";
if (filename.endsWith(".c")) {
sourceNames[fileCount] = target.getPath() + File.separator + filename;
objectNames[fileCount++] = buildPath + File.separator + filename + ".o";
@ -273,19 +290,15 @@ public class Compiler implements MessageConsumer {
+ File.separator + sketch.name + ".map,--cref";
baseCommandLinker[4] = ((!Base.isMacOS()) ? buildPath
: buildPath) + File.separator + sketch.name + ".elf";
String commandLinker[] = new String[baseCommandLinker.length + fileCount +
fileCountCPP + target.getObjectFilenames().size()];
String commandLinker[] = new String[baseCommandLinker.length + sketchCount + 2];
System.arraycopy(baseCommandLinker, 0, commandLinker, 0, baseCommandLinker.length);
int idx = 0;
for(int i = 0; i < fileCount; i++, idx++) {
commandLinker[baseCommandLinker.length + idx] = objectNames[i];
}
for(int i = 0; i < fileCountCPP; i++, idx++) {
commandLinker[baseCommandLinker.length + idx] = objectNamesCPP[i];
}
for(Iterator iter = target.getObjectFilenames().iterator(); iter.hasNext(); idx++) {
commandLinker[baseCommandLinker.length + idx] = target.getPath() + File.separator + iter.next(); //already ends in ".o"
for(int i = 0; i < sketchCount; i++, idx++) {
commandLinker[baseCommandLinker.length + idx] = sketchObjectNames[i];
}
commandLinker[baseCommandLinker.length + idx++] = runtimeLibraryName;
commandLinker[baseCommandLinker.length + idx] = "-L" + buildPath;
/*String command[] = new String[baseCommand.length + preprocCount];
System.arraycopy(baseCommand, 0, command, 0, baseCommand.length);
@ -338,6 +351,12 @@ public class Compiler implements MessageConsumer {
return false;
}
for(int i = 0; i < targetCount; i++) {
baseCommandAR[baseCommandAR.length - 1] = targetObjectNames[i];
result = execAsynchronously(baseCommandAR);
if(result!=0)
return false;
}
result = execAsynchronously(commandLinker);
if (result!=0)