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posix
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pt_asid.c
(2.93 KB)
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pt_block_cache.c
(2.94 KB)
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pt_block_decoder.c
(88.11 KB)
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pt_config.c
(5.87 KB)
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pt_cpu.c
(3.89 KB)
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pt_decoder_function.c
(9.07 KB)
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pt_encoder.c
(19.19 KB)
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pt_error.c
(3.09 KB)
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pt_event_queue.c
(4.18 KB)
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pt_ild.c
(30.45 KB)
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pt_image.c
(15.28 KB)
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pt_image_section_cache.c
(24.12 KB)
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pt_insn.c
(8.6 KB)
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pt_insn_decoder.c
(39.42 KB)
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pt_last_ip.c
(3.28 KB)
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pt_msec_cache.c
(3.38 KB)
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pt_packet.c
(12.43 KB)
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pt_packet_decoder.c
(14.01 KB)
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pt_query_decoder.c
(80.68 KB)
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pt_retstack.c
(2.56 KB)
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pt_section.c
(12.77 KB)
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pt_section_file.c
(5.53 KB)
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pt_sync.c
(6.26 KB)
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pt_time.c
(17.95 KB)
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pt_tnt_cache.c
(2.47 KB)
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pt_version.c
(1.8 KB)
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windows
Editing: pt_last_ip.c
/* * Copyright (c) 2013-2019, Intel Corporation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of Intel Corporation nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include "pt_last_ip.h" #include "intel-pt.h" void pt_last_ip_init(struct pt_last_ip *last_ip) { if (!last_ip) return; last_ip->ip = 0ull; last_ip->have_ip = 0; last_ip->suppressed = 0; } int pt_last_ip_query(uint64_t *ip, const struct pt_last_ip *last_ip) { if (!last_ip) return -pte_internal; if (!last_ip->have_ip) { if (ip) *ip = 0ull; return -pte_noip; } if (last_ip->suppressed) { if (ip) *ip = 0ull; return -pte_ip_suppressed; } if (ip) *ip = last_ip->ip; return 0; } /* Sign-extend a uint64_t value. */ static uint64_t sext(uint64_t val, uint8_t sign) { uint64_t signbit, mask; signbit = 1ull << (sign - 1); mask = ~0ull << sign; return val & signbit ? val | mask : val & ~mask; } int pt_last_ip_update_ip(struct pt_last_ip *last_ip, const struct pt_packet_ip *packet, const struct pt_config *config) { (void) config; if (!last_ip || !packet) return -pte_internal; switch (packet->ipc) { case pt_ipc_suppressed: last_ip->suppressed = 1; return 0; case pt_ipc_sext_48: last_ip->ip = sext(packet->ip, 48); last_ip->have_ip = 1; last_ip->suppressed = 0; return 0; case pt_ipc_update_16: last_ip->ip = (last_ip->ip & ~0xffffull) | (packet->ip & 0xffffull); last_ip->have_ip = 1; last_ip->suppressed = 0; return 0; case pt_ipc_update_32: last_ip->ip = (last_ip->ip & ~0xffffffffull) | (packet->ip & 0xffffffffull); last_ip->have_ip = 1; last_ip->suppressed = 0; return 0; case pt_ipc_update_48: last_ip->ip = (last_ip->ip & ~0xffffffffffffull) | (packet->ip & 0xffffffffffffull); last_ip->have_ip = 1; last_ip->suppressed = 0; return 0; case pt_ipc_full: last_ip->ip = packet->ip; last_ip->have_ip = 1; last_ip->suppressed = 0; return 0; } return -pte_bad_packet; }
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