Merge branch 'bjorn/remove-hybrid-heap/OTP-10105' into maint

* bjorn/remove-hybrid-heap/OTP-10105:
  Remove stale code for hybrid heap and incremental GC
  Remove the hipe_bifs:show_message_area/0 BIF
  Remove support for erlang:system_info(global_heaps_size)
  Remove the erlang:garbage_collect_message_area/0 BIF
  Remove workarounds for hybrid and shared heaps in test suites

2 files changed, 4 insertions, 45 deletions

diff --git a/erts/etc/common/erlc.c b/erts/etc/common/erlc.c
index 23f009ff4d..0223cc5274 100644
--- a/erts/etc/common/erlc.c
+++ b/erts/etc/common/erlc.c
@@ -252,13 +252,6 @@ main(int argc, char** argv)
 		    }
 		}
 		break;
-	    case 'h':
-		if (strcmp(argv[1], "-hybrid") == 0) {
-		    UNSHIFT(argv[1]);
-		} else {
-		    usage();
-		}
-		break;
 	    case 'I':
 		PUSH2("@i", process_opt(&argc, &argv, 0));
 		break;
@@ -649,7 +642,6 @@ usage(void)
 	{"-d", "turn on debugging of erlc itself"},
 	{"-Dname", "define name"},
 	{"-Dname=value", "define name to have value"},
-	{"-hybrid", "compile using hybrid-heap emulator"},
 	{"-help", "shows this help text"},
 	{"-I path", "where to search for include files"},
 	{"-M", "generate a rule for make(1) describing the dependencies"},
diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c
index c9aee16def..4692354ffc 100644
--- a/erts/etc/common/erlexec.c
+++ b/erts/etc/common/erlexec.c
@@ -159,20 +159,13 @@ static char *plusz_val_switches[] = {
 #endif
 
 #define SMP_SUFFIX	  ".smp"
-#define HYBRID_SUFFIX	  ".hybrid"
-
-#ifdef __WIN32__
 #define DEBUG_SUFFIX      ".debug"
-#define EMU_TYPE_SUFFIX_LENGTH  (strlen(HYBRID_SUFFIX)+(strlen(DEBUG_SUFFIX)))
-#else
-/* The length of the longest memory architecture suffix. */
-#define EMU_TYPE_SUFFIX_LENGTH  strlen(HYBRID_SUFFIX)
-#endif
+#define EMU_TYPE_SUFFIX_LENGTH  strlen(DEBUG_SUFFIX)
+
 /*
  * Define flags for different memory architectures.
  */
 #define EMU_TYPE_SMP		0x0001
-#define EMU_TYPE_HYBRID		0x0002
 
 #ifdef __WIN32__
 #define EMU_TYPE_DEBUG		0x0004
@@ -186,7 +179,7 @@ void error(char* format, ...);
  * Local functions.
  */
 
-#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_HYBRID_EMU)
+#if !defined(ERTS_HAVE_SMP_EMU)
 static void usage_notsup(const char *switchname);
 #endif
 static void usage_msg(const char *msg);
@@ -369,9 +362,6 @@ add_extra_suffixes(char *prog, int type)
    if (type == EMU_TYPE_SMP) {
        p = write_str(p, SMP_SUFFIX);
    }
-   else if (type == EMU_TYPE_HYBRID) {
-       p = write_str(p, HYBRID_SUFFIX);
-   }
 #ifdef __WIN32__
    if (dll) {
        p = write_str(p, DLL_EXT);
@@ -537,13 +527,6 @@ int main(int argc, char **argv)
 		emu_type_passed |= EMU_TYPE_DEBUG;
 		emu_type |= EMU_TYPE_DEBUG;
 #endif
-	    } else if (strcmp(argv[i], "-hybrid") == 0) {
-		emu_type_passed |= EMU_TYPE_HYBRID;
-#ifdef ERTS_HAVE_HYBRID_EMU
-		emu_type |= EMU_TYPE_HYBRID;
-#else
-		usage_notsup("-hybrid");
-#endif
 	    } else if (strcmp(argv[i], "-extra") == 0) {
 		break;
 	    }
@@ -554,19 +537,6 @@ int main(int argc, char **argv)
     erts_cpu_info_destroy(cpuinfo);
     cpuinfo = NULL;
 
-    if ((emu_type & EMU_TYPE_HYBRID) && (emu_type & EMU_TYPE_SMP)) {
-	/*
-	 * We have a conflict. Only using explicitly passed arguments
-	 * may solve it...
-	 */
-	emu_type &= emu_type_passed;
-	if ((emu_type & EMU_TYPE_HYBRID) && (emu_type & EMU_TYPE_SMP)) {
-	    usage_msg("Hybrid heap emulator with SMP support selected. The "
-		      "combination hybrid heap and SMP support is currently "
-		      "not supported.");
-	}
-    }
-
     if (malloc_lib) {
 	if (strcmp(malloc_lib, "libc") != 0)
 	    usage("+MYm");
@@ -1117,9 +1087,6 @@ usage_aux(void)
 	  "]"
 #endif
 	  "] "
-#ifdef ERTS_HAVE_HYBRID_EMU
-	  "[-hybrid] "
-#endif
 	  "[-make] [-man [manopts] MANPAGE] [-x] [-emu_args] "
 	  "[-args_file FILENAME] [+A THREADS] [+a SIZE] [+B[c|d|i]] [+c] "
 	  "[+h HEAP_SIZE_OPTION] [+K BOOLEAN] "
@@ -1137,7 +1104,7 @@ usage(const char *switchname)
     usage_aux();
 }
 
-#if !defined(ERTS_HAVE_SMP_EMU) || !defined(ERTS_HAVE_HYBRID_EMU)
+#if !defined(ERTS_HAVE_SMP_EMU)
 static void
 usage_notsup(const char *switchname)
 {