61
62
63 void FileMapInfo::fail_stop(const char *msg, ...) {
64 va_list ap;
65 va_start(ap, msg);
66 fail(msg, ap); // Never returns.
67 va_end(ap); // for completeness.
68 }
69
70
71 // Complain and continue. Recoverable errors during the reading of the
72 // archive file may continue (with sharing disabled).
73 //
74 // If we continue, then disable shared spaces and close the file.
75
76 void FileMapInfo::fail_continue(const char *msg, ...) {
77 va_list ap;
78 va_start(ap, msg);
79 if (RequireSharedSpaces) {
80 fail(msg, ap);
81 }
82 va_end(ap);
83 UseSharedSpaces = false;
84 close();
85 }
86
87 // Fill in the fileMapInfo structure with data about this VM instance.
88
89 // This method copies the vm version info into header_version. If the version is too
90 // long then a truncated version, which has a hash code appended to it, is copied.
91 //
92 // Using a template enables this method to verify that header_version is an array of
93 // length JVM_IDENT_MAX. This ensures that the code that writes to the CDS file and
94 // the code that reads the CDS file will both use the same size buffer. Hence, will
95 // use identical truncation. This is necessary for matching of truncated versions.
96 template <int N> static void get_header_version(char (&header_version) [N]) {
97 assert(N == JVM_IDENT_MAX, "Bad header_version size");
98
99 const char *vm_version = VM_Version::internal_vm_info_string();
100 const int version_len = (int)strlen(vm_version);
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61
62
63 void FileMapInfo::fail_stop(const char *msg, ...) {
64 va_list ap;
65 va_start(ap, msg);
66 fail(msg, ap); // Never returns.
67 va_end(ap); // for completeness.
68 }
69
70
71 // Complain and continue. Recoverable errors during the reading of the
72 // archive file may continue (with sharing disabled).
73 //
74 // If we continue, then disable shared spaces and close the file.
75
76 void FileMapInfo::fail_continue(const char *msg, ...) {
77 va_list ap;
78 va_start(ap, msg);
79 if (RequireSharedSpaces) {
80 fail(msg, ap);
81 } else {
82 if (PrintMiscellaneous && Verbose) {
83 tty->print_cr("Attempt to use shared archive failed, continue with sharing disabled");
84 }
85 }
86 va_end(ap);
87 UseSharedSpaces = false;
88 close();
89 }
90
91 // Fill in the fileMapInfo structure with data about this VM instance.
92
93 // This method copies the vm version info into header_version. If the version is too
94 // long then a truncated version, which has a hash code appended to it, is copied.
95 //
96 // Using a template enables this method to verify that header_version is an array of
97 // length JVM_IDENT_MAX. This ensures that the code that writes to the CDS file and
98 // the code that reads the CDS file will both use the same size buffer. Hence, will
99 // use identical truncation. This is necessary for matching of truncated versions.
100 template <int N> static void get_header_version(char (&header_version) [N]) {
101 assert(N == JVM_IDENT_MAX, "Bad header_version size");
102
103 const char *vm_version = VM_Version::internal_vm_info_string();
104 const int version_len = (int)strlen(vm_version);
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