Re: [Stable-8.2.1 61/71] linux-user/riscv: Adjust vdso signal frame cfa offsets

[Andreas Schwab]

$ qemu-riscv64 -strace -E LD_LIBRARY_PATH=../src/.libs .libs/Gtest-resume-sig
30962 brk(NULL) = 0x000055555555a000
30962 
faccessat(AT_FDCWD,"/etc/ld.so.preload",R_OK,AT_SYMLINK_NOFOLLOW|0x55558c98) = 
-1 errno=2 (No such file or directory)
30962 openat(AT_FDCWD,"../src/.libs/libunwind-riscv.so.8",O_RDONLY|O_CLOEXEC) = 
3
30962 read(3,0xab2aa3b0,832) = 832
30962 fstat(3,0x00002aaaab2aa230) = 0
30962 mmap(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 
0x00002aaaab2d1000
30962 getcwd(0x2aaaab2d14c0,128) = 50
30962 mmap(NULL,156800,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x00002aaaab2d3000
30962 
mmap(0x00002aaaab2e0000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0xd000)
 = 0x00002aaaab2e0000
30962 
mmap(0x00002aaaab2e2000,95360,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x00002aaaab2e2000
30962 close(3) = 0
30962 openat(AT_FDCWD,"../src/.libs/libunwind.so.8",O_RDONLY|O_CLOEXEC) = 3
30962 read(3,0xab2aa390,832) = 832
30962 fstat(3,0x00002aaaab2aa210) = 0
30962 getcwd(0x2aaaab2d1a40,128) = 50
30962 mmap(NULL,156848,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x00002aaaab2fa000
30962 
mmap(0x00002aaaab307000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0xd000)
 = 0x00002aaaab307000
30962 
mmap(0x00002aaaab309000,95408,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x00002aaaab309000
30962 close(3) = 0
30962 openat(AT_FDCWD,"../src/.libs/libc.so.6",O_RDONLY|O_CLOEXEC) = -1 errno=2 
(No such file or directory)
30962 openat(AT_FDCWD,"/etc/ld.so.cache",O_RDONLY|O_CLOEXEC) = 3
30962 fstat(3,0x00002aaaab2aa200) = 0
30962 mmap(NULL,11027,PROT_READ,MAP_PRIVATE,3,0) = 0x00002aaaab321000
30962 close(3) = 0
30962 openat(AT_FDCWD,"/lib64/lp64d/libc.so.6",O_RDONLY|O_CLOEXEC) = 3
30962 read(3,0xab2aa370,832) = 832
30962 fstat(3,0x00002aaaab2aa1f0) = 0
30962 mmap(NULL,1473984,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x00002aaaab324000
30962 
mmap(0x00002aaaab47b000,20480,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x157000)
 = 0x00002aaaab47b000
30962 
mmap(0x00002aaaab480000,48576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x00002aaaab480000
30962 close(3) = 0
30962 openat(AT_FDCWD,"../src/.libs/liblzma.so.5",O_RDONLY|O_CLOEXEC) = -1 
errno=2 (No such file or directory)
30962 
openat(AT_FDCWD,"/home/abuild/rpmbuild/BUILD/libunwind-1.8.1/src/.libs/liblzma.so.5",O_RDONLY|O_CLOEXEC)
 = -1 errno=2 (No such file or directory)
30962 
newfstatat(AT_FDCWD,"/home/abuild/rpmbuild/BUILD/libunwind-1.8.1/src/.libs/",0x00002aaaab2aa1b0,0)
 = 0
30962 openat(AT_FDCWD,"/lib64/lp64d/liblzma.so.5",O_RDONLY|O_CLOEXEC) = 3
30962 read(3,0xab2aa330,832) = 832
30962 fstat(3,0x00002aaaab2aa1b0) = 0
30962 mmap(NULL,200720,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x00002aaaab48c000
30962 
mmap(0x00002aaaab4bc000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x30000)
 = 0x00002aaaab4bc000
30962 close(3) = 0
30962 mmap(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 
0x00002aaaab4be000
30962 set_tid_address(0x2aaaab4be4f0) = 30962
30962 set_robust_list(0x2aaaab4be500,24) = -1 errno=38 (Function not 
implemented)
30962 mprotect(0x00002aaaab47b000,12288,PROT_READ) = 0
30962 mprotect(0x00002aaaab4bc000,4096,PROT_READ) = 0
30962 mprotect(0x00002aaaab307000,4096,PROT_READ) = 0
30962 mprotect(0x00002aaaab2e0000,4096,PROT_READ) = 0
30962 mprotect(0x0000555555558000,4096,PROT_READ) = 0
30962 mprotect(0x00002aaaab2cc000,8192,PROT_READ) = 0
30962 prlimit64(0,RLIMIT_STACK,NULL,0x00002aaaab2aae38) = 0 
({rlim_cur=8388608,rlim_max=-1})
30962 munmap(0x00002aaaab321000,11027) = 0
30962 rt_sigaction(SIGUSR1,0x00002aaaab2aaed8,NULL) = 0
30962 rt_sigaction(SIGUSR2,0x00002aaaab2aaed8,NULL) = 0
30962 getpid() = 30962
30962 kill(30962,SIGUSR1) = 0
--- SIGUSR1 {si_signo=SIGUSR1, si_code=SI_USER, si_pid=30962, si_uid=399} ---
30962 rt_sigprocmask(SIG_BLOCK,0x00002aaaab2a2870,NULL,8) = 0
30962 getpid() = 30962
30962 kill(30962,SIGUSR2) = 0
30962 rt_sigaction(SIGUSR1,0x00002aaaab2a25b8,0x00002aaaab2a2648) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2788,8) = 0
30962 mmap(NULL,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 
0x00002aaaab4c0000
30962 mmap(NULL,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 
0x00002aaaab4c1000
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2788,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2268,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2168,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2168,NULL,8) = 0
30962 pipe2(0x2aaaab2e1000,526336) = 0
30962 read(3,0xab2a1d87,1) = -1 errno=11 (Resource temporarily unavailable)
30962 write(4,0x55557000,1) = 1
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a1dc8,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a1dc8,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2068,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2068,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2068,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2068,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a21a8,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a21a8,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2268,NULL,8) = 0
30962 read(3,0xab2a1cc7,1) = 1
30962 write(4,0xab2aa000,1) = 1
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2268,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a2168,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2168,NULL,8) = 0
30962 read(3,0xab2a1d87,1) = 1
30962 write(4,0xab2d0000,1) = 1
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a1dc8,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a1dc8,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2e1050,0x00002aaaab2a21a8,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a21a8,NULL,8) = 0
30962 rt_sigprocmask(SIG_SETMASK,0x00002aaaab2a2268,NULL,8) = 0
30962 read(3,0xab2a2747,1) = 1
30962 write(4,0xab2ab000,1) = 1

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."