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From: <sv...@va...> - 2015-02-10 13:39:12
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Author: mjw Date: Tue Feb 10 13:39:04 2015 New Revision: 14926 Log: Bug #344007 accept4 syscall unhandled on arm64 (242) and ppc64 (344) 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 Modified: trunk/NEWS trunk/coregrind/m_syswrap/syswrap-arm64-linux.c trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c Modified: trunk/NEWS ============================================================================== --- trunk/NEWS (original) +++ trunk/NEWS Tue Feb 10 13:39:04 2015 @@ -93,6 +93,7 @@ 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. Modified: trunk/coregrind/m_syswrap/syswrap-arm64-linux.c ============================================================================== --- trunk/coregrind/m_syswrap/syswrap-arm64-linux.c (original) +++ trunk/coregrind/m_syswrap/syswrap-arm64-linux.c Tue Feb 10 13:39:04 2015 @@ -1040,6 +1040,7 @@ 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 @@ //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 Modified: trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c ============================================================================== --- trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c (original) +++ trunk/coregrind/m_syswrap/syswrap-ppc64-linux.c Tue Feb 10 13:39:04 2015 @@ -1152,6 +1152,8 @@ 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 |