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Improve system call polyfills

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- Polyfill open() w/ O_CLOEXEC on RHEL5
- Remove old workaround from rmdir() on the New Technology
- preadv() and pwritev() are now smarter about demodernization
- preadv() and pwritev() are now available on the New Technology
This commit is contained in:
Justine Tunney 2021-03-08 10:07:02 -08:00
parent 816b0e1851
commit 0ad609268f
21 changed files with 260 additions and 117 deletions
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5
libc/sysv/consts.sh
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@ -446,6 +446,7 @@ syscon auxv AT_PHENT 4 0 4 0 4 0
syscon auxv AT_PHNUM 5 0 5 0 5 0
syscon auxv AT_PAGESZ 6 0 6 0 6 0
syscon auxv AT_BASE 7 0 7 0 7 0 # address of program interpreter
syscon auxv AT_FLAGS 8 0 0 0 0 0
syscon auxv AT_ENTRY 9 0 9 0 9 0 # entry address of executable
syscon auxv AT_NOTELF 10 0 10 0 0 0
syscon auxv AT_OSRELDATE 0 0 18 0 0 0
@ -453,7 +454,8 @@ syscon auxv AT_UID 11 0 0 0 2001 0
syscon auxv AT_EUID 12 0 0 0 2000 0
syscon auxv AT_GID 13 0 0 0 2003 0
syscon auxv AT_EGID 14 0 0 0 2002 0
syscon auxv AT_PLATFORM 15 0 0 0 0 0 # address of string with hardware platform for rpath interpretation [RHEL5.0 LIMIT]
syscon auxv AT_PLATFORM 15 0 0 0 0 0 # address of string with hardware platform for rpath interpretation
syscon auxv AT_HWCAP 16 0 0 0 0 0
syscon auxv AT_CLKTCK 17 0 0 0 0 0
syscon auxv AT_DCACHEBSIZE 19 0 0 0 0 0
syscon auxv AT_ICACHEBSIZE 20 0 0 0 0 0
@ -461,6 +463,7 @@ syscon auxv AT_UCACHEBSIZE 21 0 0 0 0 0
syscon auxv AT_SECURE 23 0 0 0 0 0
syscon auxv AT_BASE_PLATFORM 24 0 0 0 0 0
syscon auxv AT_RANDOM 25 0 0 0 0 0 # address of sixteen bytes of random data
syscon auxv AT_HWCAP2 26 0 0 0 0 0
syscon auxv AT_EXECFN 31 31 999 999 2014 31 # address of string containing first argument passed to execve() used when running program [faked on non-linux]
syscon auxv AT_SYSINFO_EHDR 33 0 0 0 0 0
syscon auxv AT_NO_AUTOMOUNT 0x0800 0 0 0 0 0