Auto merge of #2574 - devnexen:fbsd_14_pt_coredump, r=Amanieu

ptrace_coredump ptrace query addition for FreeBSD 14.

Author: bors

libc-test/build.rs

@@ -2136,6 +2136,9 @@ fn test_freebsd(target: &str) {
                 true
             }
 
+            // Added in FreeBSD 14.
+            "PT_COREDUMP" | "PC_ALL" | "PC_COMPRESS" if Some(14) > freebsd_ver => true,
+
             _ => false,
         }
     });
@@ -2170,6 +2173,9 @@ fn test_freebsd(target: &str) {
             // obsolete version
             "vmtotal" if Some(11) == freebsd_ver => true,
 
+            // `ptrace_coredump` introduced in FreeBSD 14.
+            "ptrace_coredump" if Some(14) > freebsd_ver => true,
+
             _ => false,
         }
     });

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -167,6 +167,12 @@ s! {
         pub sr_error: ::c_int,
     }
 
+    pub struct ptrace_coredump {
+        pub pc_fd: ::c_int,
+        pub pc_flags: u32,
+        pub pc_limit: ::off_t,
+    }
+
     pub struct cpuset_t {
         #[cfg(target_pointer_width = "64")]
         __bits: [::c_long; 4],
@@ -1948,6 +1954,7 @@ pub const PT_GET_EVENT_MASK: ::c_int = 25;
 pub const PT_SET_EVENT_MASK: ::c_int = 26;
 pub const PT_GET_SC_ARGS: ::c_int = 27;
 pub const PT_GET_SC_RET: ::c_int = 28;
+pub const PT_COREDUMP: ::c_int = 29;
 pub const PT_GETREGS: ::c_int = 33;
 pub const PT_SETREGS: ::c_int = 34;
 pub const PT_GETFPREGS: ::c_int = 35;
@@ -1967,6 +1974,9 @@ pub const PTRACE_LWP: ::c_int = 0x0010;
 pub const PTRACE_VFORK: ::c_int = 0x0020;
 pub const PTRACE_DEFAULT: ::c_int = PTRACE_EXEC;
 
+pub const PC_COMPRESS: u32 = 0x00000001;
+pub const PC_ALL: u32 = 0x00000002;
+
 pub const PROC_SPROTECT: ::c_int = 1;
 pub const PROC_REAP_ACQUIRE: ::c_int = 2;
 pub const PROC_REAP_RELEASE: ::c_int = 3;