kapstok / Post-mortem-debugging (public) (License: MIT) (since 2018-11-16) (hash sha1)
Simple sample on how post mortem debugging in C(++) works.
Clone URLs: https://rocketgit.com/user/kapstok/Post-mortem-debugging ssh://rocketgit@ssh.rocketgit.com/user/kapstok/Post-mortem-debugging git://git.rocketgit.com/user/kapstok/Post-mortem-debugging
master
List of commits:
Subject Hash Author Date (UTC)
Add compile info at runtime error. Determine appropiate code for architecture when compiling. 41baa10ac827df8efb3040c2b82197053d6b43c0 Jan Allersma 2018-05-22 12:15:18
Remove redundant variables and header includes. fb31483b36a5f9e249d8fa88f0c3ff66b1fce6cd Jan Allersma 2018-05-22 11:40:35
Initial commit. 86c80da5a6a677f1686e50996b61fd51632259ba Jan Allersma 2018-05-18 13:12:38
Commit 41baa10ac827df8efb3040c2b82197053d6b43c0 - Add compile info at runtime error. Determine appropiate code for architecture when compiling.
Author: Jan Allersma
Author date (UTC): 2018-05-22 12:15
Committer name: Jan Allersma
Committer date (UTC): 2018-05-22 12:15
Parent(s): fb31483b36a5f9e249d8fa88f0c3ff66b1fce6cd
Signing key:
Tree: 2e80e04d63493422f2f6d17bbfd134f5419aa7ab
File Lines added Lines deleted
README.md 1 0
main.cpp 8 2
File README.md changed (mode: 100644) (index 4945c5f..6cb613d)
... ... Running `./exe` results in this output:
16 16 ``` ```
17 17 Fout 11 at 0: Fout 11 at 0:
18 18 Called from 4197438. Called from 4197438.
19 Compiled at: May 22 2018 13:58:27
19 20 Aborted (geheugendump gemaakt) Aborted (geheugendump gemaakt)
20 21 ``` ```
21 22
File main.cpp changed (mode: 100644) (index f8b1b20..dca9011)
... ... void setHandler(void (*handler)(int,siginfo_t *,void *)) {
29 29 void faultHandler(int signo, siginfo_t* info, void* extra) { void faultHandler(int signo, siginfo_t* info, void* extra) {
30 30 int i; int i;
31 31
32 i = ((ucontext_t*)extra)->uc_mcontext.gregs[REG_RIP]; // x86_64
33 //i = ((ucontext_t*)extra)->uc_mcontext.arm_pc; // ARM
32 #ifdef __x86_64__
33 i = ((ucontext_t*)extra)->uc_mcontext.gregs[REG_RIP];
34 #elif __arm__
35 i = ((ucontext_t*)extra)->uc_mcontext.arm_pc;
36 #else
37 #error Compiling for invalid architecture.
38 #endif
34 39
35 40 std::cout << "Fout " << (int)signo << " at "; std::cout << "Fout " << (int)signo << " at ";
36 41 std::cout << (int&)info->si_addr << ": " << std::endl; std::cout << (int&)info->si_addr << ": " << std::endl;
37 42 std::cout << "Called from " << (int)i << "." << std::endl; std::cout << "Called from " << (int)i << "." << std::endl;
43 std::cout << "Compiled at: " << __DATE__ << " " << __TIME__ << std::endl;
38 44
39 45 abort(); abort();
40 46 } }
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