Mesa (main): util/u_debug_symbol: remove debug_symbol_name_glibc and execinfo dependency

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Module: Mesa
Branch: main
Commit: 973e9e25bd8227452144578ec1cc3d3f0d23b491
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=973e9e25bd8227452144578ec1cc3d3f0d23b491

Author: Simon Zeni <simon at bl4ckb0ne.ca>
Date:   Mon Aug 16 11:23:01 2021 -0400

util/u_debug_symbol: remove debug_symbol_name_glibc and execinfo dependency

Signed-off-by: Simon Zeni <simon at bl4ckb0ne.ca>
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12108>

---

 src/util/u_debug_symbol.c | 31 -------------------------------
 1 file changed, 31 deletions(-)

diff --git a/src/util/u_debug_symbol.c b/src/util/u_debug_symbol.c
index 73225e9e495..677159dca40 100644
--- a/src/util/u_debug_symbol.c
+++ b/src/util/u_debug_symbol.c
@@ -218,31 +218,6 @@ debug_symbol_name_dbghelp(const void *addr, char* buf, unsigned size)
 
 #endif /* PIPE_OS_WINDOWS */
 
-
-#if defined(HAVE_EXECINFO_H)
-
-#include <execinfo.h>
-
-/* This can only provide dynamic symbols, or binary offsets into a file.
- *
- * To fix this, post-process the output with tools/addr2line.sh
- */
-static inline boolean
-debug_symbol_name_glibc(const void *addr, char* buf, unsigned size)
-{
-   char** syms = backtrace_symbols((void**)&addr, 1);
-   if (!syms) {
-      return FALSE;
-   }
-   strncpy(buf, syms[0], size - 1);
-   buf[size - 1] = 0;
-   free(syms);
-   return TRUE;
-}
-
-#endif /* defined(HAVE_EXECINFO_H) */
-
-
 void
 debug_symbol_name(const void *addr, char* buf, unsigned size)
 {
@@ -252,12 +227,6 @@ debug_symbol_name(const void *addr, char* buf, unsigned size)
    }
 #endif
 
-#if defined(HAVE_EXECINFO_H)
-   if (debug_symbol_name_glibc(addr, buf, size)) {
-       return;
-   }
-#endif /* defined(HAVE_EXECINFO_H) */
-
    snprintf(buf, size, "%p", addr);
    buf[size - 1] = 0;
 }