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optimize PackLinuxI386::buildLinuxLoader

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This commit is contained in:
John Reiser
2006-06-25 05:56:36 -07:00
parent 431f4b9b0d
commit 4dee357362
3 changed files with 289 additions and 305 deletions
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src/p_lx_exc.cpp
+1 -15
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@@ -261,7 +261,6 @@ PackLinuxI386::buildLinuxLoader(
{
initLoader(proto, szproto);
struct b_info h; memset(&h, 0, sizeof(h));
unsigned fold_hdrlen = 0;
if (0 < szfold) {
cprElfHdr1 const *const hf = (cprElfHdr1 const *)fold;
@@ -271,23 +270,10 @@ PackLinuxI386::buildLinuxLoader(
// inconsistent SIZEOF_HEADERS in *.lds (ld, binutils)
fold_hdrlen = umax(0x80, fold_hdrlen);
}
h.sz_unc = (szfold < fold_hdrlen) ? 0 : (szfold - fold_hdrlen);
h.b_method = (unsigned char) ph.method; // FIXME: endian trouble
h.b_ftid = (unsigned char) ph.filter;
h.b_cto8 = (unsigned char) ph.filter_cto;
}
unsigned char const *const uncLoader = fold_hdrlen + fold;
unsigned char *const cprLoader = new unsigned char[h.sz_unc];
if (0 < szfold) {
unsigned sz_cpr = h.sz_unc;
memcpy(cprLoader, uncLoader, sz_cpr);
h.sz_cpr = sz_cpr;
}
// This adds the definition to the "library", to be used later.
// NOTE: the stub is NOT compressed! The savings is not worth it.
linker->addSection("FOLDEXEC", cprLoader, h.sz_cpr);
delete [] cprLoader;
linker->addSection("FOLDEXEC", fold + fold_hdrlen, szfold - fold_hdrlen);
n_mru = ft->n_mru;