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// Convert DMD CodeView debug information to PDB files
// Copyright (c) 2009-2010 by Rainer Schuetze, All Rights Reserved
//
// License for redistribution is given by the Artistic License 2.0
// see file LICENSE for further details
#include <algorithm>
#include "symutil.h"
#include "demangle.h"
extern "C" {
#include "mscvpdb.h"
}
#include <assert.h>
char dotReplacementChar = '@';
bool demangleSymbols = true;
bool useTypedefEnum = false;
int dsym2c(const BYTE* p, int len, char* cname, int maxclen)
{
const BYTE* end = p + len;
int zlen, zpos, cpos = 0;
// decompress symbol
while (p < end)
{
int ch = *p++;
if(ch == 0)
break;
if ((ch & 0xc0) == 0xc0)
{
zlen = (ch & 0x7) + 1;
zpos = ((ch >> 3) & 7) + 1; // + zlen;
if (zpos > cpos)
break;
if (cpos + zlen >= maxclen)
break;
for (int z = 0; z < zlen; z++)
cname[cpos + z] = cname[cpos - zpos + z];
cpos += zlen;
}
else if (ch >= 0x80)
{
if (p >= end)
break;
int ch2 = *p++;
zlen = (ch2 & 0x7f) | ((ch & 0x38) << 4);
if (p >= end)
break;
int ch3 = *p++;
zpos = (ch3 & 0x7f) | ((ch & 7) << 7);
if (zpos > cpos)
break;
if (cpos + zlen >= maxclen)
break;
for(int z = 0; z < zlen; z++)
cname[cpos + z] = cname[cpos - zpos + z];
cpos += zlen;
}
#if 0
if (ch == 0x80)
{
if (p >= end)
break;
zlen = *p++ & 0x7f;
if (p >= end)
break;
zpos = *p++ & 0x7f;
if (zpos > cpos)
break;
for(int z = 0; z < zlen; z++)
cname[cpos + z] = cname[cpos - zpos + z];
cpos += zlen;
}
else if (ch > 0x80)
{
zlen = (ch & 0x7) + 1;
zpos = ((ch >> 3) & 0xf) - 7; // + zlen;
for(int z = 0; z < zlen; z++)
cname[cpos + z] = cname[cpos - zpos + z];
cpos += zlen;
}
#endif
else
cname[cpos++] = ch;
}
cname[cpos] = 0;
if(demangleSymbols)
if (cname[0] == '_' && cname[1] == 'D' && isdigit(cname[2]))
d_demangle(cname, cname, maxclen, true);
#if 1
for(int i = 0; i < cpos; i++)
if (cname[i] == '.')
cname[i] = dotReplacementChar;
#endif
return cpos;
}
int pstrlen(const BYTE* &p)
{
int len = *p++;
if(len == 0xff && *p == 0)
{
len = p[1] | (p[2] << 8);
p += 3;
}
return len;
}
int pstrmemlen(const BYTE* p)
{
const BYTE* q = p;
int len = pstrlen(p);
return len + (p - q);
}
int dstrlen(const BYTE* &p, bool cstr)
{
if(cstr)
return strlen((const char*)p);
return pstrlen(p);
}
char* p2c(const BYTE* p, int idx)
{
static char cname[4][2560];
int len = pstrlen(p);
#if 1
memcpy(cname[idx], p, len);
cname[idx][len] = 0;
#else
dsym2c(p, len, cname[idx], 2560);
#endif
return cname[idx];
}
char* p2c(const p_string& p, int idx)
{
return p2c(&p.namelen, idx);
}
int c2p(const char* c, BYTE* p)
{
BYTE* q = p;
int len = strlen(c);
if(len > 255)
{
*p++ = 0xff;
*p++ = 0;
*p++ = len & 0xff;
*p++ = len >> 8;
}
else
*p++ = len;
memcpy(p, c, len);
return p + len - q;
}
int c2p(const char* c, p_string& p)
{
return c2p(c, &p.namelen);
}
int p2ccpy(char* p, const BYTE* s)
{
int len = pstrlen(s);
memcpy(p, s, len);
p[len] = 0;
return len + 1;
}
int pstrcpy(BYTE* p, const BYTE* s)
{
const BYTE* src = s;
int len = pstrlen(s);
for(int i = 0; i <= s - src; i++)
*p++ = src[i];
for(int i = 0; i < len; i++)
if (s[i] == '.')
{
//p[i++] = ':';
p[i] = dotReplacementChar;
}
else
p[i] = s[i];
return len + src - s; // *(BYTE*) memcpy (p, s, *s + 1) + 1;
}
int dmemcmp(const void* v1, const void* v2, int len)
{
const BYTE* p1 = (const BYTE*) v1;
const BYTE* p2 = (const BYTE*) v2;
for(int i = 0; i < len; i++)
{
int b1 = p1[i];
int b2 = p2[i];
if(b1 == '.')
b1 = dotReplacementChar;
if(b2 == '.')
b2 = dotReplacementChar;
if(b1 != b2)
return b2 - b1;
}
return 0;
}
int pstrcpy(p_string& p, const p_string& s)
{
return *(BYTE*) memcpy (&p, &s, s.namelen + 1) + 1;
}
int pstrcmp(const BYTE* p1, const BYTE* p2)
{
int len1 = pstrlen(p1);
int len2 = pstrlen(p2);
if (len1 != len2)
return len2 - len1;
return dmemcmp(p1, p2, len1);
}
bool p2ccmp(const BYTE* pp, const char* cp)
{
int len = strlen(cp);
int plen = pstrlen(pp);
if (len != plen)
return false;
return dmemcmp(pp, cp, len) == 0;
}
bool p2ccmp(const p_string& pp, const char* cp)
{
return p2ccmp(&pp.namelen, cp);
}
bool dstrcmp(const BYTE* s1, bool cstr1, const BYTE* s2, bool cstr2)
{
int len1 = dstrlen(s1, cstr1);
int len2 = dstrlen(s2, cstr2);
if(len1 != len2)
return false;
return dmemcmp(s1, s2, len1) == 0;
}
int pstrcpy_v(bool v3, BYTE* d, const BYTE* s)
{
if (!v3)
return pstrcpy(d, s);
int len = pstrlen(s);
int clen = dsym2c(s, len, (char*) d, kMaxNameLen) + 1;
return clen;
}
int cstrcpy_v(bool v3, BYTE* d, const char* s)
{
int len = strlen(s);
if(!v3)
{
assert(len < 256);
*d++ = len;
}
len = (std::min)(len, kMaxNameLen-1);
memcpy(d, s, len + 1);
d[len] = '\0';
for(int i = 0; i < len; i++)
if (d[i] == '.')
d[i] = dotReplacementChar;
return len + 1;
}
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