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path: root/main/gcc/0028-ada-musl-support-fixes.patch
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From 0d517a7c90f9e21616c8ad0c66e24c1554f6658c Mon Sep 17 00:00:00 2001
From: Ariadne Conill <ariadne@dereferenced.org>
Date: Fri, 21 Aug 2020 07:07:48 +0000
Subject: [PATCH 28/40] ada: musl support fixes

---
 gcc/ada/Makefile.rtl | 10 +++++-----
 gcc/ada/adaint.c     | 34 +++++++++++++++++++---------------
 gcc/ada/adaint.h     | 10 ++++------
 gcc/ada/terminals.c  |  8 ++++----
 4 files changed, 32 insertions(+), 30 deletions(-)

diff --git a/gcc/ada/Makefile.rtl b/gcc/ada/Makefile.rtl
index 55ff9b0f3d5..0fadf4e4b79 100644
--- a/gcc/ada/Makefile.rtl
+++ b/gcc/ada/Makefile.rtl
@@ -1533,7 +1533,7 @@ ifeq ($(strip $(filter-out %86 linux%,$(target_cpu) $(target_os))),)
   s-intman.adb<libgnarl/s-intman__posix.adb \
   s-tpopsp.adb<libgnarl/s-tpopsp__tls.adb \
   $(TRASYM_DWARF_UNIX_PAIRS) \
-  s-tsmona.adb<libgnat/s-tsmona__linux.adb \
+  s-tsmona.adb<libgnat/s-tsmona.adb \
   a-exetim.adb<libgnarl/a-exetim__posix.adb \
   a-exetim.ads<libgnarl/a-exetim__default.ads \
   s-linux.ads<libgnarl/s-linux.ads \
@@ -2083,7 +2083,7 @@ ifeq ($(strip $(filter-out powerpc% linux%,$(target_cpu) $(target_os))),)
   s-osinte.adb<libgnarl/s-osinte__posix.adb \
   s-tpopsp.adb<libgnarl/s-tpopsp__tls.adb \
   $(TRASYM_DWARF_UNIX_PAIRS) \
-  s-tsmona.adb<libgnat/s-tsmona__linux.adb \
+  s-tsmona.adb<libgnat/s-tsmona.adb \
   $(ATOMICS_TARGET_PAIRS) \
   $(ATOMICS_BUILTINS_TARGET_PAIRS) \
   system.ads<libgnat/system-linux-ppc.ads
@@ -2112,7 +2112,7 @@ ifeq ($(strip $(filter-out powerpc% linux%,$(target_cpu) $(target_os))),)
 endif
 
 # ARM linux, GNU eabi
-ifeq ($(strip $(filter-out arm% linux-gnueabi%,$(target_cpu) $(target_os))),)
+ifeq ($(strip $(filter-out arm% linux-gnueabi% linux-musleabi% linux-muslgnueabi%,$(target_cpu) $(target_os))),)
   LIBGNAT_TARGET_PAIRS = \
   a-intnam.ads<libgnarl/a-intnam__linux.ads \
   s-inmaop.adb<libgnarl/s-inmaop__posix.adb \
@@ -2305,7 +2305,7 @@ ifeq ($(strip $(filter-out %ia64 linux%,$(target_cpu) $(target_os))),)
   s-tpopsp.adb<libgnarl/s-tpopsp__tls.adb \
   s-taspri.ads<libgnarl/s-taspri__posix-noaltstack.ads \
   $(TRASYM_DWARF_UNIX_PAIRS) \
-  s-tsmona.adb<libgnat/s-tsmona__linux.adb \
+  s-tsmona.adb<libgnat/s-tsmona.adb \
   $(ATOMICS_TARGET_PAIRS) \
   $(ATOMICS_BUILTINS_TARGET_PAIRS) \
   system.ads<libgnat/system-linux-ia64.ads
@@ -2401,7 +2401,7 @@ ifeq ($(strip $(filter-out %x86_64 linux%,$(target_cpu) $(target_os))),)
   s-tpopsp.adb<libgnarl/s-tpopsp__tls.adb \
   s-taspri.ads<libgnarl/s-taspri__posix.ads \
   $(TRASYM_DWARF_UNIX_PAIRS) \
-  s-tsmona.adb<libgnat/s-tsmona__linux.adb \
+  s-tsmona.adb<libgnat/s-tsmona.adb \
   $(ATOMICS_TARGET_PAIRS) \
   $(X86_64_TARGET_PAIRS) \
   system.ads<libgnat/system-linux-x86.ads
diff --git a/gcc/ada/adaint.c b/gcc/ada/adaint.c
index 595abf87d65..00858c24f53 100644
--- a/gcc/ada/adaint.c
+++ b/gcc/ada/adaint.c
@@ -90,6 +90,11 @@
 #include <sys/param.h>
 #include <sys/pstat.h>
 #endif
+ 
+#if defined (linux)
+#define _GNU_SOURCE 1
+#include <sched.h>
+#endif
 
 #ifdef __PikeOS__
 #define __BSD_VISIBLE 1
@@ -3308,7 +3313,6 @@ __gnat_lwp_self (void)
 #endif
 
 #if defined (__linux__)
-#include <sched.h>
 
 /* glibc versions earlier than 2.7 do not define the routines to handle
    dynamically allocated CPU sets. For these targets, we use the static
@@ -3318,7 +3322,7 @@ __gnat_lwp_self (void)
 
 /* Dynamic cpu sets */
 
-cpu_set_t *
+void *
 __gnat_cpu_alloc (size_t count)
 {
   return CPU_ALLOC (count);
@@ -3331,33 +3335,33 @@ __gnat_cpu_alloc_size (size_t count)
 }
 
 void
-__gnat_cpu_free (cpu_set_t *set)
+__gnat_cpu_free (void *set)
 {
-  CPU_FREE (set);
+  CPU_FREE ((cpu_set_t *) set);
 }
 
 void
-__gnat_cpu_zero (size_t count, cpu_set_t *set)
+__gnat_cpu_zero (size_t count, void *set)
 {
-  CPU_ZERO_S (count, set);
+  CPU_ZERO_S (count, (cpu_set_t *) set);
 }
 
 void
-__gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
+__gnat_cpu_set (int cpu, size_t count, void *set)
 {
   /* Ada handles CPU numbers starting from 1, while C identifies the first
      CPU by a 0, so we need to adjust. */
-  CPU_SET_S (cpu - 1, count, set);
+  CPU_SET_S (cpu - 1, count, (cpu_set_t *) set);
 }
 
 #else /* !CPU_ALLOC */
 
 /* Static cpu sets */
 
-cpu_set_t *
+void *
 __gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
 {
-  return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
+  return xmalloc (sizeof (cpu_set_t));
 }
 
 size_t
@@ -3367,23 +3371,23 @@ __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
 }
 
 void
-__gnat_cpu_free (cpu_set_t *set)
+__gnat_cpu_free (void *set)
 {
   free (set);
 }
 
 void
-__gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
+__gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, void *set)
 {
-  CPU_ZERO (set);
+  CPU_ZERO ((cpu_set_t *) set);
 }
 
 void
-__gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
+__gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, void *set)
 {
   /* Ada handles CPU numbers starting from 1, while C identifies the first
      CPU by a 0, so we need to adjust. */
-  CPU_SET (cpu - 1, set);
+  CPU_SET (cpu - 1, (cpu_set_t *) set);
 }
 #endif /* !CPU_ALLOC */
 #endif /* __linux__ */
diff --git a/gcc/ada/adaint.h b/gcc/ada/adaint.h
index 311e240dfcc..1c4d0050103 100644
--- a/gcc/ada/adaint.h
+++ b/gcc/ada/adaint.h
@@ -316,13 +316,11 @@ extern void   *__gnat_lwp_self			   (void);
 
 /* Routines for interface to required CPU set primitives */
 
-#include <sched.h>
-
-extern cpu_set_t *__gnat_cpu_alloc                 (size_t);
+extern void * __gnat_cpu_alloc                 (size_t);
 extern size_t __gnat_cpu_alloc_size                (size_t);
-extern void   __gnat_cpu_free                  (cpu_set_t *);
-extern void   __gnat_cpu_zero                      (size_t, cpu_set_t *);
-extern void   __gnat_cpu_set                       (int, size_t, cpu_set_t *);
+extern void   __gnat_cpu_free                  (void *);
+extern void   __gnat_cpu_zero                      (size_t, void *);
+extern void   __gnat_cpu_set                       (int, size_t, void *);
 #endif
 
 #if defined (_WIN32)
diff --git a/gcc/ada/terminals.c b/gcc/ada/terminals.c
index af4417fab90..bab6bf3ca87 100644
--- a/gcc/ada/terminals.c
+++ b/gcc/ada/terminals.c
@@ -1145,7 +1145,7 @@ __gnat_setup_winsize (void *desc, int rows, int columns)
 /* POSIX does not specify how to open the master side of a terminal.Several
    methods are available (system specific):
       1- using a cloning device (USE_CLONE_DEVICE)
-      2- getpt                  (USE_GETPT)
+      2- posix_openpt           (USE_POSIX_OPENPT)
       3- openpty                (USE_OPENPTY)
 
    When using the cloning device method, the macro USE_CLONE_DEVICE should
@@ -1159,7 +1159,7 @@ __gnat_setup_winsize (void *desc, int rows, int columns)
 #if defined (__APPLE__) || defined (BSD)
 #define USE_OPENPTY
 #elif defined (__linux__)
-#define USE_GETPT
+#define USE_POSIX_OPENPT
 #elif defined (__sun__)
 #define USE_CLONE_DEVICE "/dev/ptmx"
 #elif defined (_AIX)
@@ -1208,8 +1208,8 @@ allocate_pty_desc (pty_desc **desc) {
    int  master_fd   = -1;
    char *slave_name = NULL;
 
-#ifdef USE_GETPT
-  master_fd = getpt ();
+#if defined(USE_POSIX_OPENPT)
+  master_fd = posix_openpt(O_RDWR | O_NOCTTY);
 #elif defined (USE_OPENPTY)
   status = openpty (&master_fd, &slave_fd, NULL, NULL, NULL);
 #elif defined (USE_CLONE_DEVICE)
-- 
2.29.2