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PackMachBase<T>::pack1() segTEXT.vmaddr must ignore zero-length segments

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John Reiser
2012-08-20 20:02:26 -07:00
parent b36c65e654
commit 2d29a82250
1 changed files with 5 additions and 1 deletions
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src/p_mach.cpp
+5 -1
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@@ -1115,8 +1115,12 @@ void PackMachBase<T>::pack1(OutputFile *const fo, Filter &/*ft*/) // generate e
segTEXT.cmdsize = sizeof(segTEXT) + sizeof(secTEXT); segTEXT.cmdsize = sizeof(segTEXT) + sizeof(secTEXT);
strncpy((char *)segTEXT.segname, "__TEXT", sizeof(segTEXT.segname)); strncpy((char *)segTEXT.segname, "__TEXT", sizeof(segTEXT.segname));
if (my_filetype==Mach_header::MH_EXECUTE) { if (my_filetype==Mach_header::MH_EXECUTE) {
int k; // must ignore zero-length segments, which sort last
for (k=n_segment; --k>=0; )
if (msegcmd[k].vmsize!=0)
break;
segTEXT.vmaddr = PAGE_MASK64 & (~PAGE_MASK64 + segTEXT.vmaddr = PAGE_MASK64 & (~PAGE_MASK64 +
msegcmd[n_segment -1].vmsize + msegcmd[n_segment -1].vmaddr ); msegcmd[k].vmsize + msegcmd[k].vmaddr );
} }
if (my_filetype==Mach_header::MH_DYLIB) { if (my_filetype==Mach_header::MH_DYLIB) {
segTEXT.vmaddr = 0; segTEXT.vmaddr = 0;