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-rw-r--r--addr2line.c5
-rw-r--r--configure.ac11
-rw-r--r--coroutine/ppc/Context.S117
-rw-r--r--coroutine/ppc/Context.h1
-rw-r--r--coroutine/ppc64/Context.S121
-rw-r--r--coroutine/ppc64/Context.h4
-rw-r--r--dln.c6
-rw-r--r--error.c2
-rw-r--r--gc.c21
-rw-r--r--gc.h4
-rw-r--r--include/ruby/internal/config.h2
-rw-r--r--regint.h3
-rw-r--r--siphash.c3
-rw-r--r--st.c3
-rw-r--r--tool/m4/ruby_default_arch.m41
-rw-r--r--vm_core.h4
-rw-r--r--vm_exec.c4
17 files changed, 194 insertions, 118 deletions
diff --git a/addr2line.c b/addr2line.c
index fe4ad84423..0d45ec9414 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -869,8 +869,11 @@ typedef struct {
int type;
} DebugInfoValue;
-/* TODO: Big Endian */
+#if defined(WORDS_BIGENDIAN)
+#define MERGE_2INTS(a,b,sz) (((uint64_t)(a)<<sz)|(b))
+#else
#define MERGE_2INTS(a,b,sz) (((uint64_t)(b)<<sz)|(a))
+#endif
static uint16_t
get_uint16(const uint8_t *p)
diff --git a/configure.ac b/configure.ac
index 058bfd3aa8..93141dcd9e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1902,8 +1902,8 @@ AS_CASE(["${target_cpu}-${target_os}:${target_archs}"],
[universal-darwin*:*ppc*], [
AC_LIBSOURCES(alloca.c)
AC_SUBST([ALLOCA], [\${LIBOBJDIR}alloca.${ac_objext}])
- RUBY_DEFINE_IF([defined __powerpc__], C_ALLOCA, 1)
- RUBY_DEFINE_IF([defined __powerpc__], alloca, alloca)
+ RUBY_DEFINE_IF([defined __POWERPC__], C_ALLOCA, 1) # Darwin defines __POWERPC__ for ppc and ppc64 both
+ RUBY_DEFINE_IF([defined __POWERPC__], alloca, alloca)
],
[
AC_FUNC_ALLOCA
@@ -2573,10 +2573,13 @@ AS_CASE([$coroutine_type], [yes|''], [
[arm64-darwin*], [
coroutine_type=arm64
],
- [powerpc-darwin*], [
+ # Correct target name is powerpc*-, but Ruby seems to prefer ppc*-.
+ # Notice that Darwin PPC ABI differs from AIX and ELF.
+ # Adding PPC targets for AIX, *BSD and *Linux will require separate implementations.
+ [powerpc-darwin*|ppc-darwin*], [
coroutine_type=ppc
],
- [powerpc64-darwin*], [
+ [powerpc64-darwin*|ppc64-darwin*], [
coroutine_type=ppc64
],
[x*64-linux*], [
diff --git a/coroutine/ppc/Context.S b/coroutine/ppc/Context.S
index fe28390df0..cdda93e179 100644
--- a/coroutine/ppc/Context.S
+++ b/coroutine/ppc/Context.S
@@ -1,73 +1,90 @@
+; Based on the code by Samuel Williams. Created by Sergey Fedorov on 04/06/2022.
+; Credits to Samuel Williams, Rei Odaira and Iain Sandoe. Errors, if any, are mine.
+; Some relevant examples: https://github.com/gcc-mirror/gcc/blob/master/libphobos/libdruntime/config/powerpc/switchcontext.S
+; https://github.com/gcc-mirror/gcc/blob/master/libgcc/config/rs6000/darwin-gpsave.S
+; https://www.ibm.com/docs/en/aix/7.2?topic=epilogs-saving-gprs-only
+; ppc32 version may be re-written compactly with stmw/lwm, but the code wonʼt be faster, see: https://github.com/ruby/ruby/pull/5927#issuecomment-1139730541
+
+; Notice that this code is only for Darwin (macOS). Darwin ABI differs from AIX and ELF.
+; To add support for AIX, *BSD or *Linux, please make separate implementations.
+
#define TOKEN_PASTE(x,y) x##y
#define PREFIXED_SYMBOL(prefix,name) TOKEN_PASTE(prefix,name)
+.machine ppc7400 ; = G4, Rosetta
.text
-.align 2
.globl PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer)
+.align 2
+
PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer):
- # Make space on the stack for caller registers
- addi r1,r1,-80
+ ; Make space on the stack for caller registers
+ ; (Should we rather use red zone? See libphobos example.)
+ subi r1,r1,80
+
+ ; Get LR
+ mflr r0
- # Save caller registers
- stw r13,0(r1)
- stw r14,4(r1)
- stw r15,8(r1)
- stw r16,12(r1)
- stw r17,16(r1)
- stw r18,20(r1)
- stw r19,24(r1)
- stw r20,28(r1)
- stw r21,32(r1)
+ ; Save caller registers
+ stw r31,0(r1)
+ stw r30,4(r1)
+ stw r29,8(r1)
+ stw r28,12(r1)
+ stw r27,16(r1)
+ stw r26,20(r1)
+ stw r25,24(r1)
+ stw r24,28(r1)
+ stw r23,32(r1)
stw r22,36(r1)
- stw r23,40(r1)
- stw r24,44(r1)
- stw r25,48(r1)
- stw r26,52(r1)
- stw r27,56(r1)
- stw r28,60(r1)
- stw r29,64(r1)
- stw r30,68(r1)
- stw r31,72(r1)
+ stw r21,40(r1)
+ stw r20,44(r1)
+ stw r19,48(r1)
+ stw r18,52(r1)
+ stw r17,56(r1)
+ stw r16,60(r1)
+ stw r15,64(r1)
+ stw r14,68(r1)
+ stw r13,72(r1)
- # Save return address
- mflr r0
+ ; Save return address
+ ; Possibly should rather be saved into linkage area, see libphobos and IBM docs
stw r0,76(r1)
- # Save stack pointer to first argument
+ ; Save stack pointer to first argument
stw r1,0(r3)
- # Load stack pointer from second argument
+ ; Load stack pointer from second argument
lwz r1,0(r4)
- # Restore caller registers
- lwz r13,0(r1)
- lwz r14,4(r1)
- lwz r15,8(r1)
- lwz r16,12(r1)
- lwz r17,16(r1)
- lwz r18,20(r1)
- lwz r19,24(r1)
- lwz r20,28(r1)
- lwz r21,32(r1)
+ ; Load return address
+ lwz r0,76(r1)
+
+ ; Restore caller registers
+ lwz r13,72(r1)
+ lwz r14,68(r1)
+ lwz r15,64(r1)
+ lwz r16,60(r1)
+ lwz r17,56(r1)
+ lwz r18,52(r1)
+ lwz r19,48(r1)
+ lwz r20,44(r1)
+ lwz r21,40(r1)
lwz r22,36(r1)
- lwz r23,40(r1)
- lwz r24,44(r1)
- lwz r25,48(r1)
- lwz r26,52(r1)
- lwz r27,56(r1)
- lwz r28,60(r1)
- lwz r29,64(r1)
- lwz r30,68(r1)
- lwz r31,72(r1)
+ lwz r23,32(r1)
+ lwz r24,28(r1)
+ lwz r25,24(r1)
+ lwz r26,20(r1)
+ lwz r27,16(r1)
+ lwz r28,12(r1)
+ lwz r29,8(r1)
+ lwz r30,4(r1)
+ lwz r31,0(r1)
- # Load return address
- lwz r0,76(r1)
+ ; Set LR
mtlr r0
- # Pop stack frame
+ ; Pop stack frame
addi r1,r1,80
- # Jump to return address
+ ; Jump to return address
blr
-
diff --git a/coroutine/ppc/Context.h b/coroutine/ppc/Context.h
index 9f69390388..1fce112579 100644
--- a/coroutine/ppc/Context.h
+++ b/coroutine/ppc/Context.h
@@ -9,6 +9,7 @@
#include <string.h>
#define COROUTINE __attribute__((noreturn)) void
+#define COROUTINE_LIMITED_ADDRESS_SPACE
enum {
COROUTINE_REGISTERS =
diff --git a/coroutine/ppc64/Context.S b/coroutine/ppc64/Context.S
index 1bd9268f93..f8561e0e7d 100644
--- a/coroutine/ppc64/Context.S
+++ b/coroutine/ppc64/Context.S
@@ -1,70 +1,89 @@
+; Based on the code by Samuel Williams. Created by Sergey Fedorov on 04/06/2022.
+; Credits to Samuel Williams, Rei Odaira and Iain Sandoe. Errors, if any, are mine.
+; Some relevant examples: https://github.com/gcc-mirror/gcc/blob/master/libphobos/libdruntime/config/powerpc/switchcontext.S
+; https://github.com/gcc-mirror/gcc/blob/master/libgcc/config/rs6000/darwin-gpsave.S
+; https://www.ibm.com/docs/en/aix/7.2?topic=epilogs-saving-gprs-only
+
+; Notice that this code is only for Darwin (macOS). Darwin ABI differs from AIX and ELF.
+; To add support for AIX, *BSD or *Linux, please make separate implementations.
+
#define TOKEN_PASTE(x,y) x##y
#define PREFIXED_SYMBOL(prefix,name) TOKEN_PASTE(prefix,name)
+.machine ppc64 ; = G5
.text
-.align 3
.globl PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer)
-PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer):
- # Make space on the stack for caller registers
- addi r1,r1,-152
+.align 2
- # Save caller registers
- std r14,0(r1)
- std r15,8(r1)
- std r16,16(r1)
- std r17,24(r1)
- std r18,32(r1)
- std r19,40(r1)
- std r20,48(r1)
- std r21,56(r1)
- std r22,64(r1)
- std r23,72(r1)
- std r24,80(r1)
- std r25,88(r1)
- std r26,96(r1)
- std r27,104(r1)
- std r28,112(r1)
- std r29,120(r1)
- std r30,128(r1)
- std r31,136(r1)
+PREFIXED_SYMBOL(SYMBOL_PREFIX,coroutine_transfer):
+ ; Make space on the stack for caller registers
+ ; (Should we rather use red zone? See libphobos example.)
+ subi r1,r1,160
- # Save return address
+ ; Get LR
mflr r0
- std r0,144(r1)
- # Save stack pointer to first argument
+ ; Save caller registers
+ std r31,0(r1)
+ std r30,8(r1)
+ std r29,16(r1)
+ std r28,24(r1)
+ std r27,32(r1)
+ std r26,40(r1)
+ std r25,48(r1)
+ std r24,56(r1)
+ std r23,64(r1)
+ std r22,72(r1)
+ std r21,80(r1)
+ std r20,88(r1)
+ std r19,96(r1)
+ std r18,104(r1)
+ std r17,112(r1)
+ std r16,120(r1)
+ std r15,128(r1)
+ std r14,136(r1)
+ std r13,144(r1)
+
+ ; Save return address
+ ; Possibly should rather be saved into linkage area, see libphobos and IBM docs
+ std r0,152(r1)
+
+ ; Save stack pointer to first argument
std r1,0(r3)
- # Load stack pointer from second argument
+ ; Load stack pointer from second argument
ld r1,0(r4)
- # Restore caller registers
- ld r14,0(r1)
- ld r15,8(r1)
- ld r16,16(r1)
- ld r17,24(r1)
- ld r18,32(r1)
- ld r19,40(r1)
- ld r20,48(r1)
- ld r21,56(r1)
- ld r22,64(r1)
- ld r23,72(r1)
- ld r24,80(r1)
- ld r25,88(r1)
- ld r26,96(r1)
- ld r27,104(r1)
- ld r28,112(r1)
- ld r29,120(r1)
- ld r30,128(r1)
- ld r31,136(r1)
+ ; Load return address
+ ld r0,152(r1)
+
+ ; Restore caller registers
+ ld r13,144(r1)
+ ld r14,136(r1)
+ ld r15,128(r1)
+ ld r16,120(r1)
+ ld r17,112(r1)
+ ld r18,104(r1)
+ ld r19,96(r1)
+ ld r20,88(r1)
+ ld r21,80(r1)
+ ld r22,72(r1)
+ ld r23,64(r1)
+ ld r24,56(r1)
+ ld r25,48(r1)
+ ld r26,40(r1)
+ ld r27,32(r1)
+ ld r28,24(r1)
+ ld r29,16(r1)
+ ld r30,8(r1)
+ ld r31,0(r1)
- # Load return address
- ld r0,144(r1)
+ ; Set LR
mtlr r0
- # Pop stack frame
- addi r1,r1,152
+ ; Pop stack frame
+ addi r1,r1,160
- # Jump to return address
+ ; Jump to return address
blr
diff --git a/coroutine/ppc64/Context.h b/coroutine/ppc64/Context.h
index 5b47511b9c..3e6f77f55a 100644
--- a/coroutine/ppc64/Context.h
+++ b/coroutine/ppc64/Context.h
@@ -12,7 +12,7 @@
enum {
COROUTINE_REGISTERS =
- 19 /* 18 general purpose registers (r14–r31) and 1 return address */
+ 20 /* 19 general purpose registers (r13–r31) and 1 return address */
+ 4 /* space for fiber_entry() to store the link register */
};
@@ -44,7 +44,7 @@ static inline void coroutine_initialize(
memset(context->stack_pointer, 0, sizeof(void*) * COROUTINE_REGISTERS);
/* Skip a global prologue that sets the TOC register */
- context->stack_pointer[18] = ((char*)start) + 8;
+ context->stack_pointer[19] = ((char*)start) + 8;
}
struct coroutine_context * coroutine_transfer(struct coroutine_context * current, struct coroutine_context * target);
diff --git a/dln.c b/dln.c
index bf87251bb6..0edd709bbe 100644
--- a/dln.c
+++ b/dln.c
@@ -41,6 +41,10 @@ static void dln_loaderror(const char *format, ...);
# include <strings.h>
#endif
+#if defined __APPLE__
+# include <AvailabilityMacros.h>
+#endif
+
#ifndef xmalloc
void *xmalloc();
void *xcalloc();
@@ -58,7 +62,7 @@ void *xrealloc();
#include <sys/stat.h>
#ifndef S_ISDIR
-# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
+# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#ifdef HAVE_SYS_PARAM_H
diff --git a/error.c b/error.c
index ceea1c55d1..67e81d08a0 100644
--- a/error.c
+++ b/error.c
@@ -668,7 +668,7 @@ bug_important_message(FILE *out, const char *const msg, size_t len)
#undef CRASH_REPORTER_MAY_BE_CREATED
#if defined(__APPLE__) && \
- (!defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6)
+ (!defined(MAC_OS_X_VERSION_10_6) || MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6 || defined(__POWERPC__)) /* 10.6 PPC case */
# define CRASH_REPORTER_MAY_BE_CREATED
#endif
static void
diff --git a/gc.c b/gc.c
index 7373bcfd67..ffc610dcc7 100644
--- a/gc.c
+++ b/gc.c
@@ -1359,6 +1359,27 @@ tick(void)
return val;
}
+/* Implementation for macOS PPC by @nobu
+ * See: https://github.com/ruby/ruby/pull/5975#discussion_r890045558
+ */
+#elif defined(__POWERPC__) && defined(__APPLE__)
+typedef unsigned long long tick_t;
+#define PRItick "llu"
+
+static __inline__ tick_t
+tick(void)
+{
+ unsigned long int upper, lower, tmp;
+ # define mftbu(r) __asm__ volatile("mftbu %0" : "=r"(r))
+ # define mftb(r) __asm__ volatile("mftb %0" : "=r"(r))
+ do {
+ mftbu(upper);
+ mftb(lower);
+ mftbu(tmp);
+ } while (tmp != upper);
+ return ((tick_t)upper << 32) | lower;
+}
+
#elif defined(__aarch64__) && defined(__GNUC__)
typedef unsigned long tick_t;
#define PRItick "lu"
diff --git a/gc.h b/gc.h
index 3d863fce8a..e1ce802095 100644
--- a/gc.h
+++ b/gc.h
@@ -6,10 +6,12 @@
#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movq\t%%rsp, %0" : "=r" (*(p)))
#elif defined(__i386) && defined(__GNUC__)
#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("movl\t%%esp, %0" : "=r" (*(p)))
-#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && !defined(_AIX)
+#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && !defined(_AIX) && !defined(__APPLE__) // Not Apple is NEEDED to unbreak ppc64 build on Darwin. Don't ask.
#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr\t%0, %%r1" : "=r" (*(p)))
#elif (defined(__powerpc__) || defined(__powerpc64__)) && defined(__GNUC__) && defined(_AIX)
#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mr %0,1" : "=r" (*(p)))
+#elif defined(__POWERPC__) && defined(__APPLE__) // Darwin ppc and ppc64
+#define SET_MACHINE_STACK_END(p) __asm__ volatile("mr %0, r1" : "=r" (*(p)))
#elif defined(__aarch64__) && defined(__GNUC__)
#define SET_MACHINE_STACK_END(p) __asm__ __volatile__ ("mov\t%0, sp" : "=r" (*(p)))
#else
diff --git a/include/ruby/internal/config.h b/include/ruby/internal/config.h
index 0c434e5b05..aa63376d7c 100644
--- a/include/ruby/internal/config.h
+++ b/include/ruby/internal/config.h
@@ -113,6 +113,8 @@
# define UNALIGNED_WORD_ACCESS 1
#elif defined(__powerpc64__)
# define UNALIGNED_WORD_ACCESS 1
+#elif defined(__POWERPC__) // __POWERPC__ is defined for ppc and ppc64 on Darwin
+# define UNALIGNED_WORD_ACCESS 1
#elif defined(__aarch64__)
# define UNALIGNED_WORD_ACCESS 1
#elif defined(__mc68020__)
diff --git a/regint.h b/regint.h
index 6c88f278c1..00b4b6ed9b 100644
--- a/regint.h
+++ b/regint.h
@@ -49,10 +49,11 @@
# endif
#endif
+/* __POWERPC__ added to accommodate Darwin case. */
#ifndef UNALIGNED_WORD_ACCESS
# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
- defined(__powerpc64__) || defined(__aarch64__) || \
+ defined(__powerpc64__) || defined(__POWERPC__) || defined(__aarch64__) || \
defined(__mc68020__)
# define UNALIGNED_WORD_ACCESS 1
# else
diff --git a/siphash.c b/siphash.c
index 294e75eaec..61b8604fc9 100644
--- a/siphash.c
+++ b/siphash.c
@@ -34,10 +34,11 @@
#error "Only strictly little or big endian supported"
#endif
+/* __POWERPC__ added to accommodate Darwin case. */
#ifndef UNALIGNED_WORD_ACCESS
# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
- defined(__powerpc64__) || defined(__aarch64__) || \
+ defined(__powerpc64__) || defined(__POWERPC__) || defined(__aarch64__) || \
defined(__mc68020__)
# define UNALIGNED_WORD_ACCESS 1
# endif
diff --git a/st.c b/st.c
index cffcde273c..0fb8f82bc3 100644
--- a/st.c
+++ b/st.c
@@ -1671,10 +1671,11 @@ st_values_check(st_table *tab, st_data_t *values, st_index_t size,
*/
#define FNV_32_PRIME 0x01000193
+/* __POWERPC__ added to accommodate Darwin case. */
#ifndef UNALIGNED_WORD_ACCESS
# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
- defined(__powerpc64__) || defined(__aarch64__) || \
+ defined(__powerpc64__) || defined(__POWERPC__) || defined(__aarch64__) || \
defined(__mc68020__)
# define UNALIGNED_WORD_ACCESS 1
# endif
diff --git a/tool/m4/ruby_default_arch.m4 b/tool/m4/ruby_default_arch.m4
index 03e52f7776..35eb8112f6 100644
--- a/tool/m4/ruby_default_arch.m4
+++ b/tool/m4/ruby_default_arch.m4
@@ -5,6 +5,7 @@ AS_CASE([$1],
[arm64], [],
[*64], [ARCH_FLAG=-m64],
[[i[3-6]86]], [ARCH_FLAG=-m32],
+ [ppc], [ARCH_FLAG=-m32],
[AC_MSG_ERROR(unknown target architecture: $target_archs)]
)
AC_MSG_RESULT([$ARCH_FLAG])
diff --git a/vm_core.h b/vm_core.h
index 9aee345210..3bd907b227 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -780,8 +780,8 @@ typedef struct rb_vm_struct {
#define RUBY_VM_FIBER_VM_STACK_SIZE ( 16 * 1024 * sizeof(VALUE)) /* 64 KB or 128 KB */
#define RUBY_VM_FIBER_VM_STACK_SIZE_MIN ( 2 * 1024 * sizeof(VALUE)) /* 8 KB or 16 KB */
#define RUBY_VM_FIBER_MACHINE_STACK_SIZE ( 64 * 1024 * sizeof(VALUE)) /* 256 KB or 512 KB */
-#if defined(__powerpc64__)
-#define RUBY_VM_FIBER_MACHINE_STACK_SIZE_MIN ( 32 * 1024 * sizeof(VALUE)) /* 128 KB or 256 KB */
+#if defined(__powerpc64__) || defined(__ppc64__) // macOS has __ppc64__
+#define RUBY_VM_FIBER_MACHINE_STACK_SIZE_MIN ( 32 * 1024 * sizeof(VALUE)) /* 128 KB or 256 KB */
#else
#define RUBY_VM_FIBER_MACHINE_STACK_SIZE_MIN ( 16 * 1024 * sizeof(VALUE)) /* 64 KB or 128 KB */
#endif
diff --git a/vm_exec.c b/vm_exec.c
index 591a0de57b..0f59d08b96 100644
--- a/vm_exec.c
+++ b/vm_exec.c
@@ -55,7 +55,7 @@ static void vm_insns_counter_count_insn(int insn) {}
#elif defined(__GNUC__) && defined(__i386__)
#define DECL_SC_REG(type, r, reg) register type reg_##r __asm__("e" reg)
-#elif defined(__GNUC__) && defined(__powerpc64__)
+#elif defined(__GNUC__) && (defined(__powerpc64__) || defined(__POWERPC__))
#define DECL_SC_REG(type, r, reg) register type reg_##r __asm__("r" reg)
#elif defined(__GNUC__) && defined(__aarch64__)
@@ -92,7 +92,7 @@ vm_exec_core(rb_execution_context_t *ec, VALUE initial)
DECL_SC_REG(rb_control_frame_t *, cfp, "15");
#define USE_MACHINE_REGS 1
-#elif defined(__GNUC__) && defined(__powerpc64__)
+#elif defined(__GNUC__) && (defined(__powerpc64__) || defined(__POWERPC__))
DECL_SC_REG(const VALUE *, pc, "14");
DECL_SC_REG(rb_control_frame_t *, cfp, "15");
#define USE_MACHINE_REGS 1