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vm_dump.c: rename HAVE_BACKTRACE to USE_BACKTRACE

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* HAVE_ macros should only be defined or undefined, not used for their value.
* See [Feature #17752]

Co-authored-by: xtkoba (Tee KOBAYASHI) <xtkoba+ruby@gmail.com>
This commit is contained in:
Benoit Daloze 2021-04-29 13:15:19 +02:00
parent 8b32de2ec9
commit 9e2483ee0b
Notes: git 2021-05-04 21:57:22 +09:00 
Merged: https://github.com/ruby/ruby/pull/4428
1 changed files with 8 additions and 7 deletions
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15
vm_dump.c
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@ -470,6 +470,7 @@ rb_vmdebug_thread_dump_state(VALUE self)
#endif
#if defined(HAVE_BACKTRACE)
# define USE_BACKTRACE 1
# ifdef HAVE_LIBUNWIND
# undef backtrace
# define backtrace unw_backtrace
@ -572,14 +573,14 @@ darwin_sigtramp:
return n;
}
# elif defined(BROKEN_BACKTRACE)
# undef HAVE_BACKTRACE
# define HAVE_BACKTRACE 0
# undef USE_BACKTRACE
# define USE_BACKTRACE 0
# endif
#else
# define HAVE_BACKTRACE 0
# define USE_BACKTRACE 0
#endif
#if HAVE_BACKTRACE
#if USE_BACKTRACE
# include <execinfo.h>
#elif defined(_WIN32)
# include <imagehlp.h>
@ -752,7 +753,7 @@ dump_thread(void *arg)
void
rb_print_backtrace(void)
{
#if HAVE_BACKTRACE
#if USE_BACKTRACE
#define MAX_NATIVE_TRACE 1024
static void *trace[MAX_NATIVE_TRACE];
int n = (int)backtrace(trace, MAX_NATIVE_TRACE);
@ -1034,14 +1035,14 @@ rb_vm_bugreport(const void *ctx)
rb_dump_machine_register(ctx);
#if HAVE_BACKTRACE || defined(_WIN32)
#if USE_BACKTRACE || defined(_WIN32)
fprintf(stderr, "-- C level backtrace information "
"-------------------------------------------\n");
rb_print_backtrace();
fprintf(stderr, "\n");
#endif /* HAVE_BACKTRACE */
#endif /* USE_BACKTRACE */
if (other_runtime_info || vm) {
fprintf(stderr, "-- Other runtime information "