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Improve signals and memory protection

Browse source 
- Document sigaction()
- Simplify New Technology fork() code
- Testing and many bug fixes for mprotect()
- Distribute Intel Xed ILD in the amalgamation
- Turn Xed enums into defines to avoid DWARF bloat
- Improve polyfilling of SA_SIGINFO on BSDs and fix bugs
- setpgid(getpid(), getpid()) on Windows will ignore CTRL-C
- Work around issues relating to NT mappings being executable
- Permit automatic executable stack override via `ape_stack_pf`
This commit is contained in:
Justine Tunney 2022-04-12 22:11:00 -07:00
parent c95c9d9508
commit f684e348d4
76 changed files with 1844 additions and 1121 deletions
Download patch file Download diff file Expand all files Collapse all files

4
libc/nt/kernel32/DeleteFileW.s
View file

@ -2,7 +2,7 @@
.imp kernel32,__imp_DeleteFileW,DeleteFileW,0
.text.windows
DeleteFile:
__DeleteFile:
push %rbp
mov %rsp,%rbp
.profilable
@ -11,5 +11,5 @@ DeleteFile:
call *__imp_DeleteFileW(%rip)
leave
ret
.endfn DeleteFile,globl
.endfn __DeleteFile,globl
.previous

4
libc/nt/kernel32/RemoveDirectoryW.s
View file

@ -2,7 +2,7 @@
.imp kernel32,__imp_RemoveDirectoryW,RemoveDirectoryW,0
.text.windows
RemoveDirectory:
__RemoveDirectory:
push %rbp
mov %rsp,%rbp
.profilable
@ -11,5 +11,5 @@ RemoveDirectory:
call *__imp_RemoveDirectoryW(%rip)
leave
ret
.endfn RemoveDirectory,globl
.endfn __RemoveDirectory,globl
.previous

4
libc/nt/kernel32/SetCurrentDirectoryW.s
View file

@ -2,7 +2,7 @@
.imp kernel32,__imp_SetCurrentDirectoryW,SetCurrentDirectoryW,0
.text.windows
SetCurrentDirectory:
__SetCurrentDirectory:
push %rbp
mov %rsp,%rbp
.profilable
@ -11,5 +11,5 @@ SetCurrentDirectory:
call *__imp_SetCurrentDirectoryW(%rip)
leave
ret
.endfn SetCurrentDirectory,globl
.endfn __SetCurrentDirectory,globl
.previous

6
libc/nt/master.sh
View file

@ -228,7 +228,6 @@ imp 'DeleteAtom' DeleteAtom kernel32 270
imp 'DeleteBoundaryDescriptor' DeleteBoundaryDescriptor kernel32 0
imp 'DeleteCriticalSection' DeleteCriticalSection kernel32 0 1
imp 'DeleteFiber' DeleteFiber kernel32 0
imp 'DeleteFile' DeleteFileW kernel32 0 1
imp 'DeleteFileA' DeleteFileA kernel32 0 1
imp 'DeleteFileTransacted' DeleteFileTransactedW kernel32 276
imp 'DeleteFileTransactedA' DeleteFileTransactedA kernel32 275
@ -1033,7 +1032,6 @@ imp 'ReleaseMutex' ReleaseMutex kernel32 0 1
imp 'ReleaseSRWLockExclusive' ReleaseSRWLockExclusive kernel32 0 1
imp 'ReleaseSRWLockShared' ReleaseSRWLockShared kernel32 0 1
imp 'ReleaseSemaphore' ReleaseSemaphore kernel32 0 3
imp 'RemoveDirectory' RemoveDirectoryW kernel32 0 1
imp 'RemoveDirectoryA' RemoveDirectoryA kernel32 0 1
imp 'RemoveDirectoryTransacted' RemoveDirectoryTransactedW kernel32 1206
imp 'RemoveDirectoryTransactedA' RemoveDirectoryTransactedA kernel32 1205
@ -1099,7 +1097,6 @@ imp 'SetConsoleTitleA' SetConsoleTitleA kernel32 0 1
imp 'SetConsoleWindowInfo' SetConsoleWindowInfo kernel32 0 3
imp 'SetCriticalSectionSpinCount' SetCriticalSectionSpinCount kernel32 0 2
imp 'SetCurrentConsoleFontEx' SetCurrentConsoleFontEx kernel32 0
imp 'SetCurrentDirectory' SetCurrentDirectoryW kernel32 0 1
imp 'SetCurrentDirectoryA' SetCurrentDirectoryA kernel32 0 1
imp 'SetDefaultCommConfig' SetDefaultCommConfigW kernel32 1298
imp 'SetDefaultCommConfigA' SetDefaultCommConfigA kernel32 1297
@ -1360,6 +1357,7 @@ imp '__CreateNamedPipe' CreateNamedPipeW kernel32 0 8
imp '__CreatePipe' CreatePipe kernel32 0 4
imp '__CreateProcess' CreateProcessW kernel32 0 10
imp '__CreateThread' CreateThread kernel32 0 6
imp '__DeleteFile' DeleteFileW kernel32 0 1
imp '__DeviceIoControl' DeviceIoControl kernel32 0 8
imp '__FlushFileBuffers' FlushFileBuffers kernel32 0 1
imp '__FlushViewOfFile' FlushViewOfFile kernel32 0 2
@ -1368,6 +1366,8 @@ imp '__GetFileAttributes' GetFileAttributesW kernel32 0 1
imp '__MapViewOfFileEx' MapViewOfFileEx kernel32 0 6
imp '__MapViewOfFileExNuma' MapViewOfFileExNuma kernel32 0 7
imp '__OpenProcess' OpenProcess kernel32 0 3
imp '__RemoveDirectory' RemoveDirectoryW kernel32 0 1
imp '__SetCurrentDirectory' SetCurrentDirectoryW kernel32 0 1
imp '__TerminateProcess' TerminateProcess kernel32 0 2
imp '__UnmapViewOfFile' UnmapViewOfFile kernel32 0 1
imp '__VirtualProtect' VirtualProtect kernel32 0 4