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95 lines
3.4 KiB
95 lines
3.4 KiB
2014-04-09 Richard Henderson <rth@redhat.com> |
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* gcc-interface/Makefile.in: Support aarch64-linux. |
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* init.c: Enable alternate stack support also on aarch64. |
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* types.h (Fat_Pointer): Remove aligned attribute. |
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--- gcc/ada/gcc-interface/Makefile.in |
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+++ gcc/ada/gcc-interface/Makefile.in |
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@@ -2123,6 +2123,44 @@ ifeq ($(strip $(filter-out alpha% linux%,$(arch) $(osys))),) |
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LIBRARY_VERSION := $(LIB_VERSION) |
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endif |
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+# AArch64 Linux |
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+ifeq ($(strip $(filter-out aarch64% linux%,$(arch) $(osys))),) |
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+ LIBGNAT_TARGET_PAIRS = \ |
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+ a-exetim.adb<a-exetim-posix.adb \ |
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+ a-exetim.ads<a-exetim-default.ads \ |
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+ a-intnam.ads<a-intnam-linux.ads \ |
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+ a-synbar.adb<a-synbar-posix.adb \ |
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+ a-synbar.ads<a-synbar-posix.ads \ |
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+ s-inmaop.adb<s-inmaop-posix.adb \ |
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+ s-intman.adb<s-intman-posix.adb \ |
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+ s-linux.ads<s-linux.ads \ |
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+ s-mudido.adb<s-mudido-affinity.adb \ |
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+ s-osinte.ads<s-osinte-linux.ads \ |
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+ s-osinte.adb<s-osinte-posix.adb \ |
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+ s-osprim.adb<s-osprim-posix.adb \ |
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+ s-taprop.adb<s-taprop-linux.adb \ |
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+ s-tasinf.ads<s-tasinf-linux.ads \ |
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+ s-tasinf.adb<s-tasinf-linux.adb \ |
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+ s-tpopsp.adb<s-tpopsp-tls.adb \ |
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+ s-taspri.ads<s-taspri-posix.ads \ |
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+ g-sercom.adb<g-sercom-linux.adb \ |
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+ $(ATOMICS_TARGET_PAIRS) \ |
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+ $(ATOMICS_BUILTINS_TARGET_PAIRS) \ |
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+ system.ads<system-linux-x86_64.ads |
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+ ## ^^ Note the above is a pretty-close placeholder. |
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+ |
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+ TOOLS_TARGET_PAIRS = \ |
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+ mlib-tgt-specific.adb<mlib-tgt-specific-linux.adb \ |
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+ indepsw.adb<indepsw-gnu.adb |
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+ |
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+ EXTRA_GNATRTL_TASKING_OBJS=s-linux.o a-exetim.o |
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+ EH_MECHANISM=-gcc |
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+ THREADSLIB=-lpthread -lrt |
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+ GNATLIB_SHARED=gnatlib-shared-dual |
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+ GMEM_LIB = gmemlib |
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+ LIBRARY_VERSION := $(LIB_VERSION) |
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+endif |
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+ |
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# x86-64 Linux |
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ifeq ($(strip $(filter-out %x86_64 linux%,$(arch) $(osys))),) |
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LIBGNAT_TARGET_PAIRS = \ |
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--- gcc/ada/init.c |
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+++ gcc/ada/init.c |
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@@ -562,7 +562,9 @@ __gnat_error_handler (int sig, siginfo_t *si ATTRIBUTE_UNUSED, void *ucontext) |
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Raise_From_Signal_Handler (exception, msg); |
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} |
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-#if defined (i386) || defined (__x86_64__) || defined (__powerpc__) |
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+#if defined (i386) || defined (__x86_64__) || defined (__powerpc__) \ |
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+ || defined (__aarch64__) |
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+#define HAVE_GNAT_ALTERNATE_STACK 1 |
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/* This must be in keeping with System.OS_Interface.Alternate_Stack_Size. */ |
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char __gnat_alternate_stack[16 * 1024]; /* 2 * SIGSTKSZ */ |
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#endif |
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@@ -603,7 +605,7 @@ __gnat_install_handler (void) |
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handled properly, avoiding a SEGV generation from stack usage by the |
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handler itself. */ |
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-#if defined (i386) || defined (__x86_64__) || defined (__powerpc__) |
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+#ifdef HAVE_GNAT_ALTERNATE_STACK |
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stack_t stack; |
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stack.ss_sp = __gnat_alternate_stack; |
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stack.ss_size = sizeof (__gnat_alternate_stack); |
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@@ -624,7 +626,7 @@ __gnat_install_handler (void) |
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sigaction (SIGILL, &act, NULL); |
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if (__gnat_get_interrupt_state (SIGBUS) != 's') |
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sigaction (SIGBUS, &act, NULL); |
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-#if defined (i386) || defined (__x86_64__) || defined (__powerpc__) |
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+#ifdef HAVE_GNAT_ALTERNATE_STACK |
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act.sa_flags |= SA_ONSTACK; |
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#endif |
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if (__gnat_get_interrupt_state (SIGSEGV) != 's') |
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--- gcc/ada/types.h |
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+++ gcc/ada/types.h |
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@@ -79,8 +79,7 @@ typedef Char *Str_Ptr; |
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/* Types for the fat pointer used for strings and the template it |
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points to. */ |
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typedef struct {int Low_Bound, High_Bound; } String_Template; |
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-typedef struct {const char *Array; String_Template *Bounds; } |
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- __attribute ((aligned (sizeof (char *) * 2))) Fat_Pointer; |
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+typedef struct {const char *Array; String_Template *Bounds; } Fat_Pointer; |
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/* Types for Node/Entity Kinds: */
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