[macOS]: arm64, very early stage of Big Sur M1 native port.

Christian Jullien committed 5 years ago

Commit e8bff291 parent 97800172 files · +7 −0Browse files

Unified · Split

2 files

 DEF-arm-NetBSD     = $(DEF-arm-eabihf) -DTARGETOS_NetBSD
 DEF-arm-wince      = $(DEF-arm-eabihf) -DTCC_TARGET_PE
 DEF-arm64          = -DTCC_TARGET_ARM64
+DEF-arm64-osx      = $(DEF-arm64) -DTCC_TARGET_MACHO
 DEF-arm64-FreeBSD  = $(DEF-arm64) -DTARGETOS_FreeBSD
 DEF-arm64-NetBSD   = $(DEF-arm64) -DTARGETOS_NetBSD
 DEF-arm64-OpenBSD  = $(DEF-arm64) -DTARGETOS_OpenBSD
 arm-eabi_FILES    = $(arm_FILES)
 arm-eabihf_FILES  = $(arm_FILES)
 arm64_FILES = $(CORE_FILES) arm64-gen.c arm64-link.c arm64-asm.c
+arm64-osx_FILES = $(arm64_FILES) tccmacho.c
 c67_FILES = $(CORE_FILES) c67-gen.c c67-link.c tcccoff.c
 riscv64_FILES = $(CORE_FILES) riscv64-gen.c riscv64-link.c riscv64-asm.c

 #elif defined(__arm__)
     rc->ip = uc->uc_mcontext.arm_pc;
     rc->fp = uc->uc_mcontext.arm_fp;
+#elif defined(__aarch64__) && defined(__APPLE__)
+    // see:
+    // /Library/Developer/CommandLineTools/SDKs/MacOSX11.1.sdk/usr/include/mach/arm/_structs.h
+    rc->ip = uc->uc_mcontext->__ss.__pc;
+    rc->fp = uc->uc_mcontext->__ss.__fp;
 #elif defined(__aarch64__) && defined(__FreeBSD__)
     rc->ip = uc->uc_mcontext.mc_gpregs.gp_elr; /* aka REG_PC */
     rc->fp = uc->uc_mcontext.mc_gpregs.gp_x[29];

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