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gdb: move have_ptrace_getregset declaration into gdb/nat directory

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In a later commit I want to access have_ptrace_getregset from a .c
file in the nat/ directory.  To achieve this I need access to the
declaration of have_ptrace_getregset.

Currently have_ptrace_getregset is declared (and defined) twice, once
in GDB and once in gdbserver.

This commit moves the declaration into nat/linux-nat.h, but leaves the
two definitions where they are.  Now, in my later commit, I can pull
in the declaration from nat/linux-nat.h.

There should be no user visible changes after this commit.

Approved-By: Felix Willgerodt <felix.willgerodt@intel.com>
This commit is contained in:
Andrew Burgess 2024-05-08 15:04:56 +01:00
parent 18d4886c00
commit a402c3ac22
5 changed files with 5 additions and 7 deletions
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2
gdb/linux-nat.c
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@ -243,7 +243,7 @@ PTRACE_PEEKTEXT/PTRACE_POKETEXT or process_vm_readv/process_vm_writev:
struct linux_nat_target *linux_target;
/* Does the current host support PTRACE_GETREGSET? */
/* See nat/linux-nat.h. */
enum tribool have_ptrace_getregset = TRIBOOL_UNKNOWN;
/* When true, print debug messages relating to the linux native target. */

3
gdb/linux-nat.h
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@ -299,9 +299,6 @@ lwp_info_range all_lwps ();
lwp_info_safe_range all_lwps_safe ();
/* Does the current host support PTRACE_GETREGSET? */
extern enum tribool have_ptrace_getregset;
/* Called from the LWP layer to inform the thread_db layer that PARENT
spawned CHILD. Both LWPs are currently stopped. This function
does whatever is required to have the child LWP under the

3
gdb/nat/linux-nat.h
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@ -36,6 +36,9 @@ struct arch_lwp_info;
instead SIGTRAP with bit 7 set. */
#define SYSCALL_SIGTRAP (SIGTRAP | 0x80)
/* Does the current host support PTRACE_GETREGSET? */
extern tribool have_ptrace_getregset;
/* Return the ptid of the current lightweight process. With NPTL
threads and LWPs map 1:1, so this is equivalent to returning the
ptid of the current thread. This function must be provided by

2
gdbserver/linux-low.cc
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@ -133,7 +133,7 @@ typedef struct
} Elf64_auxv_t;
#endif
/* Does the current host support PTRACE_GETREGSET? */
/* See nat/linux-nat.h. */
enum tribool have_ptrace_getregset = TRIBOOL_UNKNOWN;
/* Return TRUE if THREAD is the leader thread of the process. */

2
gdbserver/linux-low.h
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@ -951,8 +951,6 @@ void thread_db_notice_clone (struct thread_info *parent_thr, ptid_t child_ptid);
bool thread_db_thread_handle (ptid_t ptid, gdb_byte **handle, int *handle_len);
extern enum tribool have_ptrace_getregset;
/* Search for the value with type MATCH in the auxv vector, with entries of
length WORDSIZE bytes, of process with pid PID. If found, store the
value in *VALP and return 1. If not found or if there is an error,