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Improve signals and memory protection

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- 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
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7
libc/elf/pf2prot.internal.h Normal file
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#ifndef COSMOPOLITAN_LIBC_ELF_PF2PROT_INTERNAL_H_
#define COSMOPOLITAN_LIBC_ELF_PF2PROT_INTERNAL_H_
#include "libc/elf/def.h"
#define _PF2PROT(x) ((PF_R & (x)) >> 2 | (PF_W & (x)) | (PF_X & (x)) << 2)
#endif /* COSMOPOLITAN_LIBC_ELF_PF2PROT_INTERNAL_H_ */