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src/linux/s390/arch_prstatus_regset.c
63 строки
2 KB
Eugene Syromyatnikov
util: unify differently-sized variants of print_{,u,x}int_array_member
11 окт 2021, 15:39
11 окт 2021, 15:39
ab754d6
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/* * Copyright (c) 2021 The strace developers. * All rights reserved. * * SPDX-License-Identifier: LGPL-2.1-or-later */ #ifdef MPERS_IS_m32 # define TRACEE_KLONGSIZE 4 #else # define TRACEE_KLONGSIZE SIZEOF_KERNEL_LONG_T #endif static void arch_decode_prstatus_regset(struct tcb *const tcp, const kernel_ulong_t addr, const kernel_ulong_t size) { struct_prstatus_regset regs; const size_t fetch_size = MIN(sizeof(regs), size); if (!size || size & (TRACEE_KLONGSIZE - 1)) { printaddr(addr); } else if (!umoven_or_printaddr(tcp, addr, fetch_size, ®s)) { tprint_struct_begin(); tprints_field_name("psw"); tprint_struct_begin(); PRINT_FIELD_X(regs.psw, mask); if (fetch_size > sizeof(regs.psw.mask)) { tprint_struct_next(); PRINT_FIELD_X(regs.psw, addr); } tprint_struct_end(); if (fetch_size > offsetof(struct_prstatus_regset, gprs)) { const size_t len = fetch_size - offsetof(struct_prstatus_regset, gprs); tprint_struct_next(); PRINT_FIELD_ARRAY_UPTO(regs, gprs, len / sizeof(regs.gprs[0]), tcp, print_xint_array_member); } if (fetch_size > offsetof(struct_prstatus_regset, acrs)) { const size_t len = fetch_size - offsetof(struct_prstatus_regset, acrs); tprint_struct_next(); PRINT_FIELD_ARRAY_UPTO(regs, acrs, len / sizeof(regs.acrs[0]), tcp, print_xint_array_member); } if (fetch_size > offsetof(struct_prstatus_regset, orig_gpr2)) { tprint_struct_next(); PRINT_FIELD_X(regs, orig_gpr2); } if (size > sizeof(regs)) { tprint_struct_next(); tprint_more_data_follows(); } tprint_struct_end(); } } #undef TRACEE_KLONGSIZE