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Merge pull request #196 from ryandesign/multiseg-zero-pad-id

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Fix multisegment app with > 10 CODE resources
This commit is contained in:
Wolfgang Thaller 2022-12-04 19:47:10 +01:00 committed by GitHub
commit 3e426b21ea
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2 changed files with 20 additions and 8 deletions
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16
Elf2Mac/LdScript.cc
View File

@ -20,11 +20,13 @@
#include "Elf2Mac.h"
#include "SegmentMap.h"
#include <iomanip>
#include <iostream>
#include <boost/algorithm/string/replace.hpp>
#include <boost/lexical_cast.hpp>
#include <sstream>
#include <string>
#include <boost/algorithm/string/replace.hpp>
using std::string;
const char * scriptStart = R"ld(/* ld script for Elf2Mac */
@ -214,7 +216,11 @@ void SegmentInfo::WriteFiltersKeep(std::ostream &out, string section)
void SegmentInfo::CreateLdScript(std::ostream &out, string entryPoint)
{
out << "\t.code" << id << " : {\n";
std::ostringstream ss;
ss << std::setw(5) << std::setfill('0') << id;
const std::string zero_padded_id = ss.str();
out << "\t.code" << zero_padded_id << " : {\n";
out << "\t\tFILL(0x4E71);\n";
if(id == 1)
{
@ -259,7 +265,7 @@ void SegmentInfo::CreateLdScript(std::ostream &out, string entryPoint)
if(id == 1)
out << "\t\t__EH_FRAME_BEGIN__" << " = .;\n";
else
out << "\t\t__EH_FRAME_BEGIN__" << id << " = .;\n";
out << "\t\t__EH_FRAME_BEGIN__" << zero_padded_id << " = .;\n";
WriteFiltersKeep(out, ".eh_frame");
out << "\t\tLONG(0);\n";
WriteFiltersKeep(out, ".gcc_except_table");
@ -278,7 +284,7 @@ void SegmentInfo::CreateLdScript(std::ostream &out, string entryPoint)
FILL(0);
. += 32;
LONG(__EH_FRAME_BEGIN__@N@ - .);
)ld", "@N@", boost::lexical_cast<string>(id));
)ld", "@N@", zero_padded_id);
}
out << "\t}\n";

12
Elf2Mac/Object.cc
View File

@ -29,11 +29,12 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <fstream>
#include <sstream>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/lexical_cast.hpp>
#include "ResourceFork.h"
#include "BinaryIO.h"
@ -315,7 +316,12 @@ void Object::MultiSegmentApp(string output, SegmentMap& segmentMap)
string exceptionInfoMarker = "__EH_FRAME_BEGIN__";
if(id != 1)
exceptionInfoMarker += boost::lexical_cast<string>(id);
{
std::ostringstream ss;
ss << std::setw(5) << std::setfill('0') << id;
const std::string zero_padded_id = ss.str();
exceptionInfoMarker += zero_padded_id;
}
int exceptionInfoSym = symtab->FindSym(exceptionInfoMarker);
if(exceptionInfoSym != -1)
{