projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 96d7229d LM |
1 | /* Code for native debugging support for GNU/Linux (LWP layer). |
| 2 | ||
| 618f726f | 3 | Copyright (C) 2000-2016 Free Software Foundation, Inc. |
| 96d7229d LM |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 3 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 19 | ||
| 20 | #ifndef LINUX_NAT_H | |
| 21 | #define LINUX_NAT_H | |
| 22 | ||
| 2465e12e PA |
23 | #include "target/waitstatus.h" |
| 24 | ||
| 6d4ee8c6 | 25 | struct lwp_info; |
| 4b134ca1 | 26 | struct arch_lwp_info; |
| 6d4ee8c6 | 27 | |
| 682b2546 DE |
28 | /* This is the kernel's hard limit. Not to be confused with SIGRTMIN. */ |
| 29 | #ifndef __SIGRTMIN | |
| 30 | #define __SIGRTMIN 32 | |
| 31 | #endif | |
| 32 | ||
| 96d7229d LM |
33 | /* Unlike other extended result codes, WSTOPSIG (status) on |
| 34 | PTRACE_O_TRACESYSGOOD syscall events doesn't return SIGTRAP, but | |
| 35 | instead SIGTRAP with bit 7 set. */ | |
| 36 | #define SYSCALL_SIGTRAP (SIGTRAP | 0x80) | |
| 37 | ||
| 7b669087 GB |
38 | /* Return the ptid of the current lightweight process. With NPTL |
| 39 | threads and LWPs map 1:1, so this is equivalent to returning the | |
| 40 | ptid of the current thread. This function must be provided by | |
| 41 | the client. */ | |
| 42 | ||
| 43 | extern ptid_t current_lwp_ptid (void); | |
| 44 | ||
| 6d4ee8c6 GB |
45 | /* Function type for the CALLBACK argument of iterate_over_lwps. */ |
| 46 | typedef int (iterate_over_lwps_ftype) (struct lwp_info *lwp, void *arg); | |
| 47 | ||
| 48 | /* Iterate over all LWPs. Calls CALLBACK with its second argument set | |
| 49 | to DATA for every LWP in the list. If CALLBACK returns nonzero for | |
| 50 | a particular LWP, return a pointer to the structure describing that | |
| 51 | LWP immediately. Otherwise return NULL. This function must be | |
| 52 | provided by the client. */ | |
| 53 | ||
| 54 | extern struct lwp_info *iterate_over_lwps (ptid_t filter, | |
| 55 | iterate_over_lwps_ftype callback, | |
| 56 | void *data); | |
| 57 | ||
| cff068da GB |
58 | /* Return the ptid of LWP. */ |
| 59 | ||
| 60 | extern ptid_t ptid_of_lwp (struct lwp_info *lwp); | |
| 61 | ||
| 4b134ca1 GB |
62 | /* Set the architecture-specific data of LWP. This function must be |
| 63 | provided by the client. */ | |
| 64 | ||
| 65 | extern void lwp_set_arch_private_info (struct lwp_info *lwp, | |
| 66 | struct arch_lwp_info *info); | |
| 67 | ||
| 68 | /* Return the architecture-specific data of LWP. This function must | |
| 69 | be provided by the client. */ | |
| 70 | ||
| 71 | extern struct arch_lwp_info *lwp_arch_private_info (struct lwp_info *lwp); | |
| 72 | ||
| cff068da GB |
73 | /* Return nonzero if LWP is stopped, zero otherwise. This function |
| 74 | must be provided by the client. */ | |
| 75 | ||
| 76 | extern int lwp_is_stopped (struct lwp_info *lwp); | |
| 77 | ||
| 78 | /* Return the reason the LWP last stopped. This function must be | |
| 79 | provided by the client. */ | |
| 80 | ||
| 81 | extern enum target_stop_reason lwp_stop_reason (struct lwp_info *lwp); | |
| 82 | ||
| b2f7c7e8 GB |
83 | /* Cause LWP to stop. This function must be provided by the |
| 84 | client. */ | |
| 85 | ||
| 86 | extern void linux_stop_lwp (struct lwp_info *lwp); | |
| 87 | ||
| 96d7229d | 88 | #endif /* LINUX_NAT_H */ |