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Bug #344007 accept4 syscall unhandled on arm64 (242) and ppc64 (344)

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ppc64 might fall back to socketcall in some cases, but arm64 always uses
accept4 syscall directly. Some (confusing) background on when/how glibc
(wrongly) decides to use a direct accept4 or the socketcall system call:
https://sourceware.org/ml/libc-alpha/2013-12/msg00014.html

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14926
This commit is contained in:
Mark Wielaard 2015-02-10 13:39:04 +00:00
parent 2ba9e36810
commit 0279de2d80
3 changed files with 4 additions and 2 deletions
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1
NEWS
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@ -93,6 +93,7 @@ where XXXXXX is the bug number as listed below.
unitialised value(s)"
343967 Don't warn about setuid/setgid/setcap executable for directories
343978 Recognize DWARF5/GCC5 DW_LANG_Fortran 2003 and 2008 constants
344007 accept4 syscall unhandled on arm64 (242) and ppc64 (344)
n-i-bz Provide implementations of certain compiler builtins to support
compilers who may not provide those
n-i-bz Old STABS code is still being compiled, but never used. Remove it.

3
coregrind/m_syswrap/syswrap-arm64-linux.c
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@ -1040,6 +1040,7 @@ static SyscallTableEntry syscall_main_table[] = {
LINX_(__NR_mbind, sys_mbind), // 235
LINXY(__NR_get_mempolicy, sys_get_mempolicy), // 236
LINX_(__NR_set_mempolicy, sys_set_mempolicy), // 237
LINXY(__NR_accept4, sys_accept4), // 242
GENXY(__NR_wait4, sys_wait4), // 260
LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 270
@ -1379,8 +1380,6 @@ static SyscallTableEntry syscall_main_table[] = {
//ZZ LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 363
//ZZ LINXY(__NR_perf_event_open, sys_perf_event_open), // 364
//ZZ
//ZZ LINXY(__NR_accept4, sys_accept4), // 366
//ZZ
//ZZ LINXY(__NR_name_to_handle_at, sys_name_to_handle_at),// 370
//ZZ LINXY(__NR_open_by_handle_at, sys_open_by_handle_at),// 371
//ZZ LINXY(__NR_clock_adjtime, sys_clock_adjtime) // 372

2
coregrind/m_syswrap/syswrap-ppc64-linux.c
View File

@ -1152,6 +1152,8 @@ static SyscallTableEntry syscall_table[] = {
LINX_(__NR_pwritev, sys_pwritev), // 321
LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 322
LINXY(__NR_accept4, sys_accept4), // 344
LINXY(__NR_clock_adjtime, sys_clock_adjtime), // 347
LINXY(__NR_process_vm_readv, sys_process_vm_readv), // 351