Master/upx
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Allow the PE sections to cross a page boundary.

Browse Source 
committer: mfx <mfx> 1142603590 +0000
This commit is contained in:
Markus F.X.J. Oberhumer
2006-03-17 13:53:10 +00:00
parent 609307668b
commit d5c0533b74
3 changed files with 12 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/p_w32pe.cpp
+7 -6
View File
@@ -1930,18 +1930,19 @@ void PackW32Pe::pack(OutputFile *fo)
if (swri >= 0x1000)
throwCantPack("swri >= 0x1000! Send a bug report please!");
patch_le32(loader, codesize, "SWRI", swri);
patch_le32(loader, codesize, "IMGL", 0x1000); // one page
patch_le32(loader, codesize, "IMGB", 0u - rvamin);
#else
// make sure we only touch exactly one page
// make sure we only touch the minimum number of pages
const unsigned addr = 0u - rvamin + swri;
patch_le32(loader, codesize, "SWRI", addr & 0xfff); // page offset
patch_le32(loader, codesize, "IMGB", addr &~ 0xfff); // page mask
// check whether osection[0].flags and osection[1].flags
// are on the same page
if ((swri & ~0xfff) != ((swri + sizeof(pe_section_t)) & ~0xfff))
throwCantPack("DEPHAK: page crossing problem! "
"Send a bug report please!");
if ((addr & 0xfff) + 0x28 >= 0x1000)
patch_le32(loader, codesize, "IMGL", 0x2000); // two pages
else
patch_le32(loader, codesize, "IMGL", 0x1000); // one page
patch_le32(loader, codesize, "IMGB", addr &~ 0xfff); // page mask
#endif
patch_le32(loader, codesize, "VPRO", myimport + get_le32(oimpdlls + 16) + 8);
}