[PULL,06/18] linux-user: Add strace support for printing arguments of syscalls used to lock and unlock memory

Message ID	20200828133753.2622286-7-laurent@vivier.eu
State	New
Headers	show Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> From: Laurent Vivier <laurent@vivier.eu> To: qemu-devel@nongnu.org Subject: [PULL 06/18] linux-user: Add strace support for printing arguments of syscalls used to lock and unlock memory Date: Fri, 28 Aug 2020 15:37:41 +0200 Message-Id: <20200828133753.2622286-7-laurent@vivier.eu> In-Reply-To: <20200828133753.2622286-1-laurent@vivier.eu> References: <20200828133753.2622286-1-laurent@vivier.eu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: none client-ip=212.227.126.130; envelope-from=laurent@vivier.eu; helo=mout.kundenserver.de Precedence: list Cc: Riku Voipio <riku.voipio@iki.fi>, Laurent Vivier <laurent@vivier.eu>, Filip Bozuta <Filip.Bozuta@syrmia.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>
Series	[PULL,01/18] linux-user: Fix 'semop()' and 'semtimedop()' implementation \| expand [PULL,01/18] linux-user: Fix 'semop()' and 'semtimedop()' implementation [PULL,02/18] linux-user: Fix 'clock_nanosleep()' implementation [PULL,03/18] linux-user: syscall: ioctls: support DRM_IOCTL_I915_GETPARAM [PULL,04/18] linux-user: Make cpu_env accessible in strace.c [PULL,05/18] linux-user: Add strace support for printing arguments of truncate()/ftruncate() and ge… [PULL,06/18] linux-user: Add strace support for printing arguments of syscalls used to lock and unl… [PULL,07/18] linux-user: Add an api to print enumareted argument values with strace [PULL,08/18] linux-user: Add strace support for printing arguments of some clock and time functions [PULL,09/18] linux-user: Add generic 'termbits.h' for some archs [PULL,10/18] linux-user: Add missing termbits types and values definitions [PULL,11/18] linux-user: Add strace support for printing arguments for ioctls used for terminals an… [PULL,12/18] linux-user: detect mismatched ELF ABI in qemu-mips[n32][el] [PULL,13/18] linux-user: Fix 'mq_timedsend()' and 'mq_timedreceive()' [PULL,14/18] linux-user: fix target_to_host_timespec64() [PULL,15/18] linux-user: Add support for 'mq_timedsend_time64()' and 'mq_timedreceive_time64()' [PULL,16/18] linux-user: Add support for 'clock_nanosleep_time64()' and 'clock_adjtime64()' [PULL,17/18] linux-user: Add support for 'rt_sigtimedwait_time64()' and 'sched_rr_get_interval_time… [PULL,18/18] linux-user: Add support for utimensat_time64() and semtimedop_time64()

diff --git a/linux-user/aarch64/target_syscall.h b/linux-user/aarch64/target_syscall.h index 995e475c73f8..3194e6b0093c 100644 --- a/linux-user/aarch64/target_syscall.h +++ b/linux-user/aarch64/target_syscall.h @@ -16,8 +16,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "3.8.0" #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_PR_SVE_SET_VL 50 #define TARGET_PR_SVE_GET_VL 51 diff --git a/linux-user/alpha/target_syscall.h b/linux-user/alpha/target_syscall.h index 3426cc5b4e4f..fd389422e31e 100644 --- a/linux-user/alpha/target_syscall.h +++ b/linux-user/alpha/target_syscall.h @@ -258,7 +258,8 @@ struct target_pt_regs { #define TARGET_UAC_NOFIX 2 #define TARGET_UAC_SIGBUS 4 #define TARGET_MINSIGSTKSZ 4096 -#define TARGET_MLOCKALL_MCL_CURRENT 0x2000 -#define TARGET_MLOCKALL_MCL_FUTURE 0x4000 +#define TARGET_MCL_CURRENT 0x2000 +#define TARGET_MCL_FUTURE 0x4000 +#define TARGET_MCL_ONFAULT 0x8000 #endif /* ALPHA_TARGET_SYSCALL_H */ diff --git a/linux-user/arm/target_syscall.h b/linux-user/arm/target_syscall.h index f85cbdaf56ff..e870ed7a5468 100644 --- a/linux-user/arm/target_syscall.h +++ b/linux-user/arm/target_syscall.h @@ -28,8 +28,10 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 + #define TARGET_WANT_OLD_SYS_SELECT #define TARGET_FORCE_SHMLBA diff --git a/linux-user/cris/target_syscall.h b/linux-user/cris/target_syscall.h index 29d69009ffe8..d109a6b42a35 100644 --- a/linux-user/cris/target_syscall.h +++ b/linux-user/cris/target_syscall.h @@ -40,7 +40,8 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS2 #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #endif diff --git a/linux-user/hppa/target_syscall.h b/linux-user/hppa/target_syscall.h index e2f366839d80..f34e05edb57b 100644 --- a/linux-user/hppa/target_syscall.h +++ b/linux-user/hppa/target_syscall.h @@ -23,8 +23,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #undef TARGET_ENOMSG #define TARGET_ENOMSG 35 diff --git a/linux-user/i386/target_syscall.h b/linux-user/i386/target_syscall.h index 2854758134d7..ed356b3908dc 100644 --- a/linux-user/i386/target_syscall.h +++ b/linux-user/i386/target_syscall.h @@ -151,8 +151,9 @@ struct target_vm86plus_struct { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_WANT_OLD_SYS_SELECT #endif /* I386_TARGET_SYSCALL_H */ diff --git a/linux-user/m68k/target_syscall.h b/linux-user/m68k/target_syscall.h index c0366b1c622d..23359a6299dd 100644 --- a/linux-user/m68k/target_syscall.h +++ b/linux-user/m68k/target_syscall.h @@ -21,9 +21,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 - +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_WANT_OLD_SYS_SELECT #endif /* M68K_TARGET_SYSCALL_H */ diff --git a/linux-user/microblaze/target_syscall.h b/linux-user/microblaze/target_syscall.h index 4141cbaa5ec2..7f653db34f87 100644 --- a/linux-user/microblaze/target_syscall.h +++ b/linux-user/microblaze/target_syscall.h @@ -50,8 +50,9 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_WANT_NI_OLD_SELECT diff --git a/linux-user/mips/target_syscall.h b/linux-user/mips/target_syscall.h index d5509a34a7e2..dd6fd7af8eac 100644 --- a/linux-user/mips/target_syscall.h +++ b/linux-user/mips/target_syscall.h @@ -234,8 +234,9 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_FORCE_SHMLBA diff --git a/linux-user/mips64/target_syscall.h b/linux-user/mips64/target_syscall.h index 8ccc46822c11..8594955eec26 100644 --- a/linux-user/mips64/target_syscall.h +++ b/linux-user/mips64/target_syscall.h @@ -231,8 +231,9 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_FORCE_SHMLBA diff --git a/linux-user/nios2/target_syscall.h b/linux-user/nios2/target_syscall.h index f3b2a500f430..78006c24d479 100644 --- a/linux-user/nios2/target_syscall.h +++ b/linux-user/nios2/target_syscall.h @@ -31,7 +31,8 @@ struct target_pt_regs { }; #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #endif /* NIOS2_TARGET_SYSCALL_H */ diff --git a/linux-user/openrisc/target_syscall.h b/linux-user/openrisc/target_syscall.h index d586d2a018a5..ef0d89a551d5 100644 --- a/linux-user/openrisc/target_syscall.h +++ b/linux-user/openrisc/target_syscall.h @@ -16,8 +16,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define MMAP_SHIFT TARGET_PAGE_BITS diff --git a/linux-user/ppc/target_syscall.h b/linux-user/ppc/target_syscall.h index afc0570410d8..c461f878f2d6 100644 --- a/linux-user/ppc/target_syscall.h +++ b/linux-user/ppc/target_syscall.h @@ -72,8 +72,9 @@ struct target_revectored_struct { #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 0x2000 -#define TARGET_MLOCKALL_MCL_FUTURE 0x4000 +#define TARGET_MCL_CURRENT 0x2000 +#define TARGET_MCL_FUTURE 0x4000 +#define TARGET_MCL_ONFAULT 0x8000 #define TARGET_WANT_NI_OLD_SELECT #endif /* PPC_TARGET_SYSCALL_H */ diff --git a/linux-user/riscv/target_syscall.h b/linux-user/riscv/target_syscall.h index a88e821f733d..dc597c897222 100644 --- a/linux-user/riscv/target_syscall.h +++ b/linux-user/riscv/target_syscall.h @@ -51,8 +51,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "4.15.0" #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 /* clone(flags, newsp, ptidptr, tls, ctidptr) for RISC-V */ /* This comes from linux/kernel/fork.c, CONFIG_CLONE_BACKWARDS */ diff --git a/linux-user/s390x/target_syscall.h b/linux-user/s390x/target_syscall.h index 8d4f609eaa5d..94f84178db79 100644 --- a/linux-user/s390x/target_syscall.h +++ b/linux-user/s390x/target_syscall.h @@ -28,7 +28,8 @@ struct target_pt_regs { #define TARGET_CLONE_BACKWARDS2 #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #endif /* S390X_TARGET_SYSCALL_H */ diff --git a/linux-user/sh4/target_syscall.h b/linux-user/sh4/target_syscall.h index 2b5f75be13d6..c1437adafefa 100644 --- a/linux-user/sh4/target_syscall.h +++ b/linux-user/sh4/target_syscall.h @@ -16,8 +16,9 @@ struct target_pt_regs { #define UNAME_MINIMUM_RELEASE "2.6.32" #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #define TARGET_FORCE_SHMLBA diff --git a/linux-user/sparc/target_syscall.h b/linux-user/sparc/target_syscall.h index b9160a771baa..d8ea04ea837a 100644 --- a/linux-user/sparc/target_syscall.h +++ b/linux-user/sparc/target_syscall.h @@ -21,8 +21,9 @@ struct target_pt_regs { */ #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 4096 -#define TARGET_MLOCKALL_MCL_CURRENT 0x2000 -#define TARGET_MLOCKALL_MCL_FUTURE 0x4000 +#define TARGET_MCL_CURRENT 0x2000 +#define TARGET_MCL_FUTURE 0x4000 +#define TARGET_MCL_ONFAULT 0x8000 /* For SPARC SHMLBA is determined at runtime in the kernel, and * libc has to runtime-detect it using the hwcaps (see glibc diff --git a/linux-user/sparc64/target_syscall.h b/linux-user/sparc64/target_syscall.h index 3073a23e03ae..696a68b1ed4e 100644 --- a/linux-user/sparc64/target_syscall.h +++ b/linux-user/sparc64/target_syscall.h @@ -22,8 +22,9 @@ struct target_pt_regs { */ #define TARGET_CLONE_BACKWARDS #define TARGET_MINSIGSTKSZ 4096 -#define TARGET_MLOCKALL_MCL_CURRENT 0x2000 -#define TARGET_MLOCKALL_MCL_FUTURE 0x4000 +#define TARGET_MCL_CURRENT 0x2000 +#define TARGET_MCL_FUTURE 0x4000 +#define TARGET_MCL_ONFAULT 0x8000 #define TARGET_FORCE_SHMLBA diff --git a/linux-user/strace.c b/linux-user/strace.c index 31c7be24ebfd..4ac54ecffe9c 100644 --- a/linux-user/strace.c +++ b/linux-user/strace.c @@ -1198,6 +1198,15 @@ UNUSED static struct flags falloc_flags[] = { #endif }; +UNUSED static struct flags mlockall_flags[] = { + FLAG_TARGET(MCL_CURRENT), + FLAG_TARGET(MCL_FUTURE), +#ifdef MCL_ONFAULT + FLAG_TARGET(MCL_ONFAULT), +#endif + FLAG_END, +}; + /* * print_xxx utility functions. These are used to print syscall * parameters in certain format. All of these have parameter @@ -2009,6 +2018,18 @@ print_ftruncate64(void *cpu_env, const struct syscallname *name, } #endif +#ifdef TARGET_NR_mlockall +static void +print_mlockall(void *cpu_env, const struct syscallname *name, + abi_long arg0, abi_long arg1, abi_long arg2, + abi_long arg3, abi_long arg4, abi_long arg5) +{ + print_syscall_prologue(name); + print_flags(mlockall_flags, arg0, 1); + print_syscall_epilogue(name); +} +#endif + #if defined(TARGET_NR_socket) static void print_socket(void *cpu_env, const struct syscallname *name, diff --git a/linux-user/strace.list b/linux-user/strace.list index 8e5303d03500..d0ea7f3464b8 100644 --- a/linux-user/strace.list +++ b/linux-user/strace.list @@ -568,13 +568,13 @@ { TARGET_NR_mknodat, "mknodat" , NULL, print_mknodat, NULL }, #endif #ifdef TARGET_NR_mlock -{ TARGET_NR_mlock, "mlock" , NULL, NULL, NULL }, +{ TARGET_NR_mlock, "mlock" , "%s(%p," TARGET_FMT_lu ")", NULL, NULL }, #endif #ifdef TARGET_NR_mlock2 { TARGET_NR_mlock2, "mlock2" , NULL, NULL, NULL }, #endif #ifdef TARGET_NR_mlockall -{ TARGET_NR_mlockall, "mlockall" , NULL, NULL, NULL }, +{ TARGET_NR_mlockall, "mlockall" , NULL, print_mlockall, NULL }, #endif #ifdef TARGET_NR_mmap { TARGET_NR_mmap, "mmap" , NULL, print_mmap, print_syscall_ret_addr }, @@ -637,10 +637,10 @@ { TARGET_NR_multiplexer, "multiplexer" , NULL, NULL, NULL }, #endif #ifdef TARGET_NR_munlock -{ TARGET_NR_munlock, "munlock" , NULL, NULL, NULL }, +{ TARGET_NR_munlock, "munlock" , "%s(%p," TARGET_FMT_lu ")", NULL, NULL }, #endif #ifdef TARGET_NR_munlockall -{ TARGET_NR_munlockall, "munlockall" , NULL, NULL, NULL }, +{ TARGET_NR_munlockall, "munlockall" , "%s()", NULL, NULL }, #endif #ifdef TARGET_NR_munmap { TARGET_NR_munmap, "munmap" , NULL, print_munmap, NULL }, diff --git a/linux-user/syscall.c b/linux-user/syscall.c index ec7192112e9d..027dea35af41 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -6975,12 +6975,18 @@ static inline int target_to_host_mlockall_arg(int arg) { int result = 0; - if (arg & TARGET_MLOCKALL_MCL_CURRENT) { + if (arg & TARGET_MCL_CURRENT) { result |= MCL_CURRENT; } - if (arg & TARGET_MLOCKALL_MCL_FUTURE) { + if (arg & TARGET_MCL_FUTURE) { result |= MCL_FUTURE; } +#ifdef MCL_ONFAULT + if (arg & TARGET_MCL_ONFAULT) { + result |= MCL_ONFAULT; + } +#endif + return result; } #endif diff --git a/linux-user/tilegx/target_syscall.h b/linux-user/tilegx/target_syscall.h index d731acdafaa0..8e9db734b88b 100644 --- a/linux-user/tilegx/target_syscall.h +++ b/linux-user/tilegx/target_syscall.h @@ -34,8 +34,9 @@ struct target_pt_regs { tilegx_reg_t pad[2]; }; -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 /* For faultnum */ #define TARGET_INT_SWINT_1 14 diff --git a/linux-user/x86_64/target_syscall.h b/linux-user/x86_64/target_syscall.h index 5e221e1d9ddc..3ecccb72be2d 100644 --- a/linux-user/x86_64/target_syscall.h +++ b/linux-user/x86_64/target_syscall.h @@ -101,7 +101,8 @@ struct target_msqid64_ds { #define TARGET_ARCH_GET_FS 0x1003 #define TARGET_ARCH_GET_GS 0x1004 #define TARGET_MINSIGSTKSZ 2048 -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #endif /* X86_64_TARGET_SYSCALL_H */ diff --git a/linux-user/xtensa/target_syscall.h b/linux-user/xtensa/target_syscall.h index 3866dad84930..afc86a153fc0 100644 --- a/linux-user/xtensa/target_syscall.h +++ b/linux-user/xtensa/target_syscall.h @@ -43,7 +43,8 @@ struct target_pt_regs { xtensa_reg_t areg[16]; }; -#define TARGET_MLOCKALL_MCL_CURRENT 1 -#define TARGET_MLOCKALL_MCL_FUTURE 2 +#define TARGET_MCL_CURRENT 1 +#define TARGET_MCL_FUTURE 2 +#define TARGET_MCL_ONFAULT 4 #endif

[PULL,06/18] linux-user: Add strace support for printing arguments of syscalls used to lock and unlock memory

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