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linux-user: Add translation for argument of msync()
msync() uses the flags MS_ASYNC, MS_INVALIDATE and MS_SYNC, which differ between platforms, specifcally on alpha and hppa. Add a target to host translation for those and wire up a nicer strace output. This fixes the testsuite of the macaulay2 debian package with a hppa-linux guest on a x86-64 host. Signed-off-by: Helge Deller <deller@gmx.de> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <Y5rMcts4qe15RaVN@p100> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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@ -3,6 +3,10 @@
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#define TARGET_MADV_DONTNEED 6
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#define TARGET_MS_ASYNC 1
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#define TARGET_MS_SYNC 2
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#define TARGET_MS_INVALIDATE 4
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#include "../generic/target_mman.h"
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#endif
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@ -89,4 +89,17 @@
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#define TARGET_MADV_DONTNEED_LOCKED 24
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#endif
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#ifndef TARGET_MS_ASYNC
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#define TARGET_MS_ASYNC 1
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#endif
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#ifndef TARGET_MS_INVALIDATE
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#define TARGET_MS_INVALIDATE 2
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#endif
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#ifndef TARGET_MS_SYNC
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#define TARGET_MS_SYNC 4
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#endif
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#endif
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@ -10,6 +10,10 @@
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#define TARGET_MADV_WIPEONFORK 71
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#define TARGET_MADV_KEEPONFORK 72
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#define TARGET_MS_SYNC 1
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#define TARGET_MS_ASYNC 2
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#define TARGET_MS_INVALIDATE 4
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#include "../generic/target_mman.h"
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#endif
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@ -656,7 +656,7 @@
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{ TARGET_NR_msgsnd, "msgsnd" , NULL, NULL, NULL },
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#endif
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#ifdef TARGET_NR_msync
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{ TARGET_NR_msync, "msync" , NULL, NULL, NULL },
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{ TARGET_NR_msync, "msync" , "%s(%p,%u,%d)", NULL, NULL },
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#endif
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#ifdef TARGET_NR_multiplexer
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{ TARGET_NR_multiplexer, "multiplexer" , NULL, NULL, NULL },
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@ -22,6 +22,7 @@
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#include "qemu/path.h"
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#include "qemu/memfd.h"
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#include "qemu/queue.h"
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#include "target_mman.h"
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#include <elf.h>
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#include <endian.h>
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#include <grp.h>
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@ -7612,6 +7613,14 @@ static inline int target_to_host_mlockall_arg(int arg)
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}
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#endif
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static inline int target_to_host_msync_arg(abi_long arg)
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{
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return ((arg & TARGET_MS_ASYNC) ? MS_ASYNC : 0) |
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((arg & TARGET_MS_INVALIDATE) ? MS_INVALIDATE : 0) |
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((arg & TARGET_MS_SYNC) ? MS_SYNC : 0) |
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(arg & ~(TARGET_MS_ASYNC | TARGET_MS_INVALIDATE | TARGET_MS_SYNC));
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}
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#if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \
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defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \
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defined(TARGET_NR_newfstatat))
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@ -10128,7 +10137,8 @@ static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1,
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/* ??? msync/mlock/munlock are broken for softmmu. */
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#ifdef TARGET_NR_msync
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case TARGET_NR_msync:
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return get_errno(msync(g2h(cpu, arg1), arg2, arg3));
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return get_errno(msync(g2h(cpu, arg1), arg2,
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target_to_host_msync_arg(arg3)));
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#endif
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#ifdef TARGET_NR_mlock
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case TARGET_NR_mlock:
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