From db1ff28b60f8886b8d7c634f1db2f939ba47a13c Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Wed, 15 Jul 2015 20:27:32 +0200 Subject: Revert the previous 7 commits of: Validate binary before use ddc98fbf2fd9e244a215a4d09e559180dc573a14 Create empty nat/linux-maps.[ch] and common/target-utils.[ch] 6e5b4429db0d66e2d0b27e1bcfe4709f3dae73ed Move gdb_regex* to common/ f7af1fcd759fa126612018a5916cf808df7bb8bc Prepare linux_find_memory_regions_full & co. for move 9904185cfde13d6c6849f1f042c8e3b74974cf08 Move linux_find_memory_regions_full & co. 700ca40f6fc1addd7238f4ab57f76c095ad3c99f gdbserver build-id attribute generator ca5268b6be265580b91ef75c1a1a9815f581ae42 Validate symbol file using build-id 0a94970d663a053c523f23ac0d71deb25a77f709 Tests for validate symbol file using build-id gdb/ChangeLog 2015-07-15 Jan Kratochvil Revert the previous 6 commits: Create empty nat/linux-maps.[ch] and common/target-utils.[ch]. Move gdb_regex* to common/ Prepare linux_find_memory_regions_full & co. for move Move linux_find_memory_regions_full & co. gdbserver build-id attribute generator Validate symbol file using build-id gdb/gdbserver/ChangeLog 2015-07-15 Jan Kratochvil Revert the previous 3 commits: Move gdb_regex* to common/ Move linux_find_memory_regions_full & co. gdbserver build-id attribute generator gdb/doc/ChangeLog 2015-07-15 Jan Kratochvil Revert the previous 2 commits: gdbserver build-id attribute generator Validate symbol file using build-id gdb/testsuite/ChangeLog 2015-07-15 Jan Kratochvil Revert the previous commit: Tests for validate symbol file using build-id. --- gdb/utils.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) (limited to 'gdb/utils.c') diff --git a/gdb/utils.c b/gdb/utils.c index a2c2710dba4..acb4c7d5295 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -67,6 +67,7 @@ #include "gdb_usleep.h" #include "interps.h" +#include "gdb_regex.h" #if !HAVE_DECL_MALLOC extern PTR malloc (); /* ARI: PTR */ @@ -1113,6 +1114,60 @@ make_hex_string (const gdb_byte *data, size_t length) +/* A cleanup function that calls regfree. */ + +static void +do_regfree_cleanup (void *r) +{ + regfree (r); +} + +/* Create a new cleanup that frees the compiled regular expression R. */ + +struct cleanup * +make_regfree_cleanup (regex_t *r) +{ + return make_cleanup (do_regfree_cleanup, r); +} + +/* Return an xmalloc'd error message resulting from a regular + expression compilation failure. */ + +char * +get_regcomp_error (int code, regex_t *rx) +{ + size_t length = regerror (code, rx, NULL, 0); + char *result = xmalloc (length); + + regerror (code, rx, result, length); + return result; +} + +/* Compile a regexp and throw an exception on error. This returns a + cleanup to free the resulting pattern on success. RX must not be + NULL. */ + +struct cleanup * +compile_rx_or_error (regex_t *pattern, const char *rx, const char *message) +{ + int code; + + gdb_assert (rx != NULL); + + code = regcomp (pattern, rx, REG_NOSUB); + if (code != 0) + { + char *err = get_regcomp_error (code, pattern); + + make_cleanup (xfree, err); + error (("%s: %s"), message, err); + } + + return make_regfree_cleanup (pattern); +} + + + /* This function supports the query, nquery, and yquery functions. Ask user a y-or-n question and return 0 if answer is no, 1 if answer is yes, or default the answer to the specified default -- cgit v1.2.1