c21fca53db
gdb 7.12+ is compiled and linked with C++, therefore the thread_db headers need to use extern "C", to be usable for C++ code. Fixes: Issue when building gdbserver for m68k-coldfire: thread-db.o: In function `thread_db_init()': thread-db.c:(.text+0x5b6): undefined reference to `td_ta_new(ps_prochandle*, td_thragent**)' thread-db.c:(.text+0x61e): undefined reference to `td_thr_get_info(td_thrhandle const*, td_thrinfo*)' thread-db.c:(.text+0x632): undefined reference to `td_symbol_list()' ... Signed-off-by: Waldemar Brodkorb <wbx@openadk.org> Tested-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
73 lines
2.1 KiB
Diff
73 lines
2.1 KiB
Diff
From 111f01d432d542a153c1cad83def3a6ab57df7af Mon Sep 17 00:00:00 2001
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From: Waldemar Brodkorb <wbx@uclibc-ng.org>
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Date: Sat, 5 Aug 2017 11:28:07 +0200
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Subject: [PATCH] fix issues with gdb 8.0
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GDB 8.0 is compiled and linked with g++, but the
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linking of static targets (f.e. coldfire) fails,
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without declaring the functions in thread_db.h
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extern C.
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The compilation of gdb errors out with:
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thread-db.o: In function `thread_db_init()':
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thread-db.c:(.text+0x5b6): undefined reference to `td_ta_new(ps_prochandle*, td_thragent**)'
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thread-db.c:(.text+0x61e): undefined reference to `td_thr_get_info(td_thrhandle const*, td_thrinfo*)'
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thread-db.c:(.text+0x632): undefined reference to `td_symbol_list()'
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..
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Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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---
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libpthread/linuxthreads_db/thread_db.h | 7 +++++++
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libpthread/nptl_db/thread_db.h | 7 +++++++
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2 files changed, 14 insertions(+)
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diff --git a/libpthread/linuxthreads_db/thread_db.h b/libpthread/linuxthreads_db/thread_db.h
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index 13c30af..ec79f60 100644
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--- a/libpthread/linuxthreads_db/thread_db.h
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+++ b/libpthread/linuxthreads_db/thread_db.h
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@@ -27,6 +27,9 @@
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#include <sys/types.h>
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#include <sys/procfs.h>
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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/* Error codes of the library. */
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typedef enum
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@@ -455,4 +458,8 @@ extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
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/* Resume execution of thread TH. */
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extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
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+#ifdef __cplusplus
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+}
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+#endif
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+
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#endif /* thread_db.h */
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diff --git a/libpthread/nptl_db/thread_db.h b/libpthread/nptl_db/thread_db.h
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index 27ea69a..993842f 100644
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--- a/libpthread/nptl_db/thread_db.h
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+++ b/libpthread/nptl_db/thread_db.h
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@@ -27,6 +27,9 @@
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#include <sys/types.h>
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#include <sys/procfs.h>
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+#ifdef __cplusplus
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+extern "C" {
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+#endif
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/* Error codes of the library. */
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typedef enum
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@@ -455,4 +458,8 @@ extern td_err_e td_thr_dbsuspend (const td_thrhandle_t *__th);
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/* Resume execution of thread TH. */
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extern td_err_e td_thr_dbresume (const td_thrhandle_t *__th);
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+#ifdef __cplusplus
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+}
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+#endif
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+
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#endif /* thread_db.h */
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--
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2.1.4
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