mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 03:27:39 +00:00
Fiddle around with Mach-O
This commit is contained in:
Justine Tunney
parent
6881a2ecea
commit
b852650c08
13 changed files with 343 additions and 85 deletions
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@ -199,6 +199,11 @@
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#define SKEW 0
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#endif
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#ifdef __aarch64__
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#undef PAGESIZE
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#define PAGESIZE 16384
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#endif
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ENTRY(_start)
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PHDRS {
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@ -574,14 +574,6 @@ __attribute__((__noreturn__)) static void Spawn(int os, const char *exe, int fd,
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}
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#endif
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if (relocated) {
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int ax;
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asm volatile("syscall"
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: "=a"(ax)
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: "0"(1), "D"(1), "S"("hello\n"), "d"(6)
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: "rcx", "r11", "memory");
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}
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Close(fd, os);
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// authorize only the loaded program to issue system calls. if this
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@ -59,9 +59,8 @@ o/$(MODE)/dsp/tty/ttyraster.o: private \
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ifeq ($(ARCH), aarch64)
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# takes 14 seconds to compile with aarch64 gcc
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o/$(MODE)/dsp/tty/ttyraster.o: private \
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OVERRIDE_CFLAGS += \
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-O1
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o/$(MODE)/dsp/tty/ttyraster.o: private OVERRIDE_CFLAGS += -O1
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o/$(MODE)/dsp/tty/ttyraster.o: private QUOTA += -C128
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endif
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DSP_TTY_LIBS = $(foreach x,$(DSP_TTY_ARTIFACTS),$($(x)))
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@ -2,6 +2,36 @@
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#define COSMOPOLITAN_LIBC_MACHO_H_
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#ifndef __STRICT_ANSI__
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/*
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* xnu osfmk/mach/machine.h
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*/
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#define MAC_ARCH_MASK 0xff000000
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#define MAC_ARCH_ABI64 0x01000000
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#define MAC_ARCH_ABI64_32 0x02000000
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#define MAC_CPU_MC680x0 6
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#define MAC_CPU_X86 7
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#define MAC_CPU_I386 MAC_CPU_X86
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#define MAC_CPU_NEXGEN32E (MAC_CPU_X86 | MAC_ARCH_ABI64)
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#define MAC_CPU_MC98000 10
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#define MAC_CPU_HPPA 11
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#define MAC_CPU_ARM 12
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#define MAC_CPU_ARM64 (MAC_CPU_ARM | MAC_ARCH_ABI64)
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#define MAC_CPU_ARM64_32 (MAC_CPU_ARM | MAC_ARCH_ABI64_32)
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#define MAC_CPU_MC88000 13
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#define MAC_CPU_SPARC 14
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#define MAC_CPU_I860 15
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#define MAC_CPU_POWERPC 18
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#define MAC_CPU_POWERPC64 (MAC_CPU_POWERPC | MAC_ARCH_ABI64)
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#define MAC_CPU_SUBTYPE_MASK 0xff000000
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#define MAC_CPU_SUBTYPE_LIB64 0x80000000
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#define MAC_CPU_SUBTYPE_PTRAUTH_ABI 0x80000000
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#define MAC_CPU_SUBTYPE_MULTIPLE -1
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#define MAC_CPU_SUBTYPE_LITTLE_ENDIAN 0
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#define MAC_CPU_SUBTYPE_BIG_ENDIAN 1
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#define MAC_OBJECT 0x1
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#define MAC_EXECUTE 0x2
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#define MAC_FVMLIB 0x3
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@ -11,12 +41,40 @@
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#define MAC_DYLINKER 0x7
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#define MAC_BUNDLE 0x8
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#define MAC_CPU_NEXGEN32E 0x1000007
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#define MAC_CPU_NEXGEN32E_ALL 3
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#define MAC_THREAD_NEXGEN32E 4
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#define MAC_CPU_ARM64_ALL 0
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#define MAC_CPU_ARM64_V8 1
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#define MAC_CPU_ARM64E 2
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/*
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* xnu osfmk/mach/i386/thread_status.h
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*/
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#define MAC_THREAD_NEXGEN32E 4 // x86_THREAD_STATE64
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#define MAC_THREAD_NEXGEN32E_256BIT 17
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/*
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* xnu osfmk/mach/arm/thread_status.h
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*
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* struct arm_neon_saved_state64 {
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* union {
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* uint128_t q[32];
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* uint64x2_t d[32];
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* uint32x4_t s[32];
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* } v;
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* uint32_t fpsr;
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* uint32_t fpcr;
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* };
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*/
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#define MAC_THREAD_ARM_STATE64 6
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#define ARM_NEON_SAVED_STATE64_COUNT 68
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/*
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* xnu EXTERNAL_HEADERS/mach-o/loader.h
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*/
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#define MAC_NOUNDEFS 0x1
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#define MAC_INCRLINK 0x2
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#define MAC_DYLDLINK 0x4
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@ -32,6 +90,7 @@
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#define MAC_ALLMODSBOUND 0x1000
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#define MAC_SUBSECTIONS_VIA_SYMBOLS 0x2000
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#define MAC_CANONICAL 0x4000
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#define MAC_ALLOW_STACK_EXECUTION 0x20000
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#define MAC_ROOT_SAFE 0x40000
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#define MAC_SETUID_SAFE 0x80000
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#define MAC_PIE 0x200000
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@ -42,6 +101,7 @@
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#define MAC_SG_FVMLIB 0x2
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#define MAC_SG_NORELOC 0x4
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/* section type */
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#define MAC_S_REGULAR 0x0
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#define MAC_S_ZEROFILL 0x1
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#define MAC_S_CSTRING_LITERALS 0x2
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@ -58,7 +118,8 @@
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#define MAC_S_INTERPOSING 0xd
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#define MAC_S_16BYTE_LITERALS 0xe
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#define MAC_SECTION_ATTRIBUTES_USR 0xff000000
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/* section attributes */
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#define MAC_S_ATTRIBUTES_USR 0xff000000
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#define MAC_S_ATTR_PURE_INSTRUCTIONS 0x80000000
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#define MAC_S_ATTR_NO_TOC 0x40000000
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#define MAC_S_ATTR_STRIP_STATIC_SYMS 0x20000000
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@ -66,52 +127,65 @@
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#define MAC_S_ATTR_LIVE_SUPPORT 0x08000000
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#define MAC_S_ATTR_SELF_MODIFYING_CODE 0x04000000
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#define MAC_S_ATTR_DEBUG 0x02000000
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#define MAC_SECTION_ATTRIBUTES_SYS 0x00ffff00
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#define MAC_S_ATTRIBUTES_SYS 0x00ffff00
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#define MAC_S_ATTR_SOME_INSTRUCTIONS 0x00000400
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#define MAC_S_ATTR_EXT_RELOC 0x00000200
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#define MAC_S_ATTR_LOC_RELOC 0x00000100
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#define MAC_LC_REQ_DYLD 0x80000000
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#define MAC_LC_SEGMENT 0x1
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#define MAC_LC_SYMTAB 0x2
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#define MAC_LC_SYMSEG 0x3
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#define MAC_LC_THREAD 0x4
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#define MAC_LC_UNIXTHREAD 0x5
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#define MAC_LC_LOADFVMLIB 0x6
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#define MAC_LC_IDFVMLIB 0x7
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#define MAC_LC_IDENT 0x8
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#define MAC_LC_FVMFILE 0x9
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#define MAC_LC_PREPAGE 0xa
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#define MAC_LC_DYSYMTAB 0xb
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#define MAC_LC_LOAD_DYLIB 0xc
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#define MAC_LC_ID_DYLIB 0xd
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#define MAC_LC_LOAD_DYLINKER 0xe
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#define MAC_LC_ID_DYLINKER 0xf
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#define MAC_LC_PREBOUND_DYLIB 0x10
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#define MAC_LC_ROUTINES 0x11
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#define MAC_LC_SUB_FRAMEWORK 0x12
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#define MAC_LC_SUB_UMBRELLA 0x13
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#define MAC_LC_SUB_CLIENT 0x14
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#define MAC_LC_SUB_LIBRARY 0x15
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#define MAC_LC_TWOLEVEL_HINTS 0x16
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#define MAC_LC_PREBIND_CKSUM 0x17
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#define MAC_LC_LOAD_WEAK_DYLIB (0x18 | MAC_LC_REQ_DYLD)
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#define MAC_LC_SEGMENT_64 0x19
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#define MAC_LC_ROUTINES_64 0x1a
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#define MAC_LC_UUID 0x1b
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#define MAC_LC_CODE_SIGNATURE 0x1d
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#define MAC_LC_SEGMENT_SPLIT_INFO 0x1e
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#define MAC_LC_LAZY_LOAD_DYLIB 0x20
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#define MAC_LC_ENCRYPTION_INFO 0x21
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#define MAC_LC_DYLD_INFO 0x22
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#define MAC_LC_VERSION_MIN_MACOSX 0x24
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#define MAC_LC_VERSION_MIN_IPHONEOS 0x25
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#define MAC_LC_FUNCTION_STARTS 0x26
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#define MAC_LC_DYLD_ENVIRONMENT 0x27
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#define MAC_LC_DATA_IN_CODE 0x29
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#define MAC_LC_SOURCE_VERSION 0x2a
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#define MAC_LC_RPATH (0x1c | MAC_LC_REQ_DYLD)
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#define MAC_LC_MAIN (0x28 | MAC_LC_REQ_DYLD)
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#define MAC_LC_REQ_DYLD 0x80000000
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#define MAC_LC_SEGMENT 0x1
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#define MAC_LC_SYMTAB 0x2
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#define MAC_LC_SYMSEG 0x3
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#define MAC_LC_THREAD 0x4
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#define MAC_LC_UNIXTHREAD 0x5
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#define MAC_LC_LOADFVMLIB 0x6
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#define MAC_LC_IDFVMLIB 0x7
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#define MAC_LC_IDENT 0x8
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#define MAC_LC_FVMFILE 0x9
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#define MAC_LC_PREPAGE 0xa
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#define MAC_LC_DYSYMTAB 0xb
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#define MAC_LC_LOAD_DYLIB 0xc
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#define MAC_LC_ID_DYLIB 0xd
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#define MAC_LC_LOAD_DYLINKER 0xe
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#define MAC_LC_ID_DYLINKER 0xf
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#define MAC_LC_PREBOUND_DYLIB 0x10
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#define MAC_LC_ROUTINES 0x11
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#define MAC_LC_SUB_FRAMEWORK 0x12
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#define MAC_LC_SUB_UMBRELLA 0x13
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#define MAC_LC_SUB_CLIENT 0x14
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#define MAC_LC_SUB_LIBRARY 0x15
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#define MAC_LC_TWOLEVEL_HINTS 0x16
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#define MAC_LC_PREBIND_CKSUM 0x17
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#define MAC_LC_LOAD_WEAK_DYLIB (0x18 | MAC_LC_REQ_DYLD)
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#define MAC_LC_SEGMENT_64 0x19
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#define MAC_LC_ROUTINES_64 0x1a
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#define MAC_LC_UUID 0x1b
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#define MAC_LC_CODE_SIGNATURE 0x1d
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#define MAC_LC_SEGMENT_SPLIT_INFO 0x1e
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#define MAC_LC_LAZY_LOAD_DYLIB 0x20
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#define MAC_LC_ENCRYPTION_INFO 0x21
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#define MAC_LC_DYLD_INFO 0x22
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#define MAC_LC_DYLD_INFO_ONLY (0x22 | MAC_LC_REQ_DYLD)
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#define MAC_LC_VERSION_MIN_MACOSX 0x24
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#define MAC_LC_VERSION_MIN_IPHONEOS 0x25
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#define MAC_LC_FUNCTION_STARTS 0x26
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#define MAC_LC_DYLD_ENVIRONMENT 0x27
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#define MAC_LC_DATA_IN_CODE 0x29
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#define MAC_LC_SOURCE_VERSION 0x2a
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#define MAC_LC_DYLIB_CODE_SIGN_DRS 0x2B
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#define MAC_LC_ENCRYPTION_INFO_64 0x2C
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#define MAC_LC_LINKER_OPTION 0x2D
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#define MAC_LC_LINKER_OPTIMIZATION_HINT 0x2E
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#define MAC_LC_VERSION_MIN_TVOS 0x2F
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#define MAC_LC_VERSION_MIN_WATCHOS 0x30
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#define MAC_LC_NOTE 0x31
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#define MAC_LC_BUILD_VERSION 0x32
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#define MAC_LC_DYLD_EXPORTS_TRIE (0x33 | MAC_LC_REQ_DYLD)
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#define MAC_LC_DYLD_CHAINED_FIXUPS (0x34 | MAC_LC_REQ_DYLD)
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#define MAC_LC_FILESET_ENTRY (0x35 | MAC_LC_REQ_DYLD)
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#define MAC_LC_RPATH (0x1c | MAC_LC_REQ_DYLD)
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#define MAC_LC_MAIN (0x28 | MAC_LC_REQ_DYLD)
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#define MAC_LC_REEXPORT_DYLIB (0x1f | MAC_LC_REQ_DYLD)
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#define VM_PROT_NONE 0
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#define VM_PROT_READ 1
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@ -122,6 +196,8 @@
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#define VM_PROT_TRUSTED 32
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#define VM_PROT_STRIP_READ 64
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#define MACHO_VERSION(x, y, z) ((x) << 16 | (y) << 8 | (z))
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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struct MachoHeader {
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@ -210,6 +286,56 @@ struct MachoLoadUuid {
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uint8_t uuid[16];
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};
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struct MachoDyldInfoCommand {
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uint32_t cmd;
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uint32_t cmdsize;
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uint32_t rebase_off;
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uint32_t rebase_size;
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uint32_t bind_off;
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uint32_t bind_size;
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uint32_t weak_bind_off;
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uint32_t weak_bind_size;
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uint32_t lazy_bind_off;
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uint32_t lazy_bind_size;
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uint32_t export_off;
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uint32_t export_size;
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};
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struct MachoDylib {
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uint32_t name; /* (char *)&lc->command + name */
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uint32_t timestamp;
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uint32_t current_version; /* MACHO_VERSION(x,y,z) */
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uint32_t compatibility_version; /* MACHO_VERSION(x,y,z) */
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};
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struct MachoDylibCommand {
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uint32_t cmd;
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uint32_t cmdsize;
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struct MachoDylib dylib;
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};
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struct MachoEntryPointCommand {
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uint32_t cmd; /* MAC_LC_MAIN */
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uint32_t cmdsize; /* 24 */
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uint64_t entryoff; /* __TEXT offset of _start() */
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uint64_t stacksize; /* initial stack size [optional] */
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};
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struct MachoLinkeditDataCommand {
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/* MAC_LC_CODE_SIGNATURE */
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/* MAC_LC_SEGMENT_SPLIT_INFO */
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/* MAC_LC_FUNCTION_STARTS */
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/* MAC_LC_DATA_IN_CODE */
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/* MAC_LC_DYLIB_CODE_SIGN_DRS */
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/* MAC_LC_LINKER_OPTIMIZATION_HINT */
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/* MAC_LC_DYLD_EXPORTS_TRIE */
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/* MAC_LC_DYLD_CHAINED_FIXUPS */
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uint32_t cmd;
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uint32_t cmdsize;
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uint32_t dataoff;
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uint32_t datasize;
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};
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* !ANSI */
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#endif /* COSMOPOLITAN_LIBC_MACHO_H_ */
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@ -33,7 +33,7 @@ asm(".ident\t\"\\n\\n\
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Musl libc (MIT License)\\n\
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Copyright 2005-2014 Rich Felker, et. al.\"");
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asm(".include \"libc/disclaimer.inc\"");
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/* clang-format off */
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// clang-format off
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/* acosh(z) = i acos(z) */
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double complex cacosh(double complex z)
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@ -43,3 +43,7 @@ double complex cacosh(double complex z)
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if (zineg) return CMPLX(cimag(z), -creal(z));
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else return CMPLX(-cimag(z), creal(z));
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}
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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__strong_reference(cacosh, cacoshl);
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#endif
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@ -27,6 +27,7 @@
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/complex.h"
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#include "libc/math.h"
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#if !(LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024)
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asm(".ident\t\"\\n\\n\
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Musl libc (MIT License)\\n\
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@ -34,13 +35,12 @@ Copyright 2005-2014 Rich Felker, et. al.\"");
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asm(".include \"libc/disclaimer.inc\"");
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// clang-format off
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long double complex cacoshl(long double complex z) {
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#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
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return cacosh(z);
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#else
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long double complex cacoshl(long double complex z)
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{
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int zineg = signbit(cimagl(z));
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z = cacosl(z);
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if (zineg) return CMPLXL(cimagl(z), -creall(z));
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else return CMPLXL(-cimagl(z), creall(z));
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#endif
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}
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#endif /* long double is long */
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@ -16,13 +16,13 @@
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "tool/decode/lib/asmcodegen.h"
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#include "libc/fmt/fmt.h"
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#include "libc/intrin/safemacros.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/mem/gc.internal.h"
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#include "libc/mem/mem.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "tool/decode/lib/asmcodegen.h"
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char b1[BUFSIZ];
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char b2[BUFSIZ];
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@ -52,7 +52,7 @@ dontdiscard char *tabpad(const char *s, unsigned width) {
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void show(const char *directive, const char *value, const char *comment) {
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if (comment) {
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printf("\t%s\t%s# %s\n", directive, gc(tabpad(value, COLUMN_WIDTH)),
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printf("\t%s\t%s// %s\n", directive, gc(tabpad(value, COLUMN_WIDTH)),
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comment);
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} else {
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printf("\t%s\t%s\n", directive, gc(tabpad(value, COLUMN_WIDTH)));
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@ -10,10 +10,10 @@ COSMOPOLITAN_C_START_
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#define showint64(x) show(".quad", format(b1, "%ld", x), #x)
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#define showbyte(x) show(".byte", format(b1, "%hhu", x), #x)
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#define showshort(x) show(".short", format(b1, "%hu", x), #x)
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#define showshorthex(x) show(".short", format(b1, "%#-6hX", x), #x)
|
||||
#define showinthex(x) show(".long", format(b1, "%#X", x), #x)
|
||||
#define showint64hex(x) show(".quad", format(b1, "%#lX", x), #x)
|
||||
#define showorg(x) show(".org", format(b1, "%#lX", x), #x)
|
||||
#define showshorthex(x) show(".short", format(b1, "%#-6hx", x), #x)
|
||||
#define showinthex(x) show(".long", format(b1, "%#x", x), #x)
|
||||
#define showint64hex(x) show(".quad", format(b1, "%#lx", x), #x)
|
||||
#define showorg(x) show(".org", format(b1, "%#lx", x), #x)
|
||||
|
||||
extern char b1[BUFSIZ];
|
||||
extern char b2[BUFSIZ];
|
||||
|
|
|
|||
|
|
@ -16,8 +16,29 @@
|
|||
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
||||
│ PERFORMANCE OF THIS SOFTWARE. │
|
||||
╚─────────────────────────────────────────────────────────────────────────────*/
|
||||
#include "libc/macho.internal.h"
|
||||
#include "tool/decode/lib/machoidnames.h"
|
||||
#include "libc/macho.internal.h"
|
||||
|
||||
const struct IdName kMachoArchitectures[] = {
|
||||
{MAC_CPU_MC680x0, "MAC_CPU_MC680x0"}, //
|
||||
{MAC_CPU_NEXGEN32E, "MAC_CPU_NEXGEN32E"}, //
|
||||
{MAC_CPU_I386, "MAC_CPU_I386"}, //
|
||||
{MAC_CPU_X86, "MAC_CPU_X86"}, //
|
||||
{MAC_CPU_MC98000, "MAC_CPU_MC98000"}, //
|
||||
{MAC_CPU_HPPA, "MAC_CPU_HPPA"}, //
|
||||
{MAC_CPU_ARM64, "MAC_CPU_ARM64"}, //
|
||||
{MAC_CPU_ARM64_32, "MAC_CPU_ARM64_32"}, //
|
||||
{MAC_CPU_ARM, "MAC_CPU_ARM"}, //
|
||||
{MAC_CPU_MC88000, "MAC_CPU_MC88000"}, //
|
||||
{MAC_CPU_SPARC, "MAC_CPU_SPARC"}, //
|
||||
{MAC_CPU_I860, "MAC_CPU_I860"}, //
|
||||
{MAC_CPU_POWERPC64, "MAC_CPU_POWERPC64"}, //
|
||||
{MAC_CPU_POWERPC, "MAC_CPU_POWERPC"}, //
|
||||
{MAC_ARCH_ABI64, "MAC_ARCH_ABI64"}, // flaggy
|
||||
{MAC_ARCH_ABI64_32, "MAC_ARCH_ABI64_32"}, //
|
||||
{MAC_CPU_NEXGEN32E_ALL, "MAC_CPU_NEXGEN32E_ALL"}, // subtypes
|
||||
{0, 0},
|
||||
};
|
||||
|
||||
const struct IdName kMachoFileTypeNames[] = {
|
||||
{MAC_OBJECT, "MAC_OBJECT"},
|
||||
|
|
@ -47,6 +68,12 @@ const struct IdName kMachoFlagNames[] = {
|
|||
{MAC_ALLMODSBOUND, "MAC_ALLMODSBOUND"},
|
||||
{MAC_SUBSECTIONS_VIA_SYMBOLS, "MAC_SUBSECTIONS_VIA_SYMBOLS"},
|
||||
{MAC_CANONICAL, "MAC_CANONICAL"},
|
||||
{MAC_ALLOW_STACK_EXECUTION, "MAC_ALLOW_STACK_EXECUTION"},
|
||||
{MAC_ROOT_SAFE, "MAC_ROOT_SAFE"},
|
||||
{MAC_SETUID_SAFE, "MAC_SETUID_SAFE"},
|
||||
{MAC_PIE, "MAC_PIE"},
|
||||
{MAC_HAS_TLV_DESCRIPTORS, "MAC_HAS_TLV_DESCRIPTORS"},
|
||||
{MAC_NO_HEAP_EXECUTION, "MAC_NO_HEAP_EXECUTION"},
|
||||
{0, 0},
|
||||
};
|
||||
|
||||
|
|
@ -77,7 +104,7 @@ const struct IdName kMachoSectionTypeNames[] = {
|
|||
};
|
||||
|
||||
const struct IdName kMachoSectionAttributeNames[] = {
|
||||
{MAC_SECTION_ATTRIBUTES_USR, "MAC_SECTION_ATTRIBUTES_USR"},
|
||||
{MAC_S_ATTRIBUTES_USR, "MAC_S_ATTRIBUTES_USR"},
|
||||
{MAC_S_ATTR_PURE_INSTRUCTIONS, "MAC_S_ATTR_PURE_INSTRUCTIONS"},
|
||||
{MAC_S_ATTR_NO_TOC, "MAC_S_ATTR_NO_TOC"},
|
||||
{MAC_S_ATTR_STRIP_STATIC_SYMS, "MAC_S_ATTR_STRIP_STATIC_SYMS"},
|
||||
|
|
@ -85,7 +112,7 @@ const struct IdName kMachoSectionAttributeNames[] = {
|
|||
{MAC_S_ATTR_LIVE_SUPPORT, "MAC_S_ATTR_LIVE_SUPPORT"},
|
||||
{MAC_S_ATTR_SELF_MODIFYING_CODE, "MAC_S_ATTR_SELF_MODIFYING_CODE"},
|
||||
{MAC_S_ATTR_DEBUG, "MAC_S_ATTR_DEBUG"},
|
||||
{MAC_SECTION_ATTRIBUTES_SYS, "MAC_SECTION_ATTRIBUTES_SYS"},
|
||||
{MAC_S_ATTRIBUTES_SYS, "MAC_S_ATTRIBUTES_SYS"},
|
||||
{MAC_S_ATTR_SOME_INSTRUCTIONS, "MAC_S_ATTR_SOME_INSTRUCTIONS"},
|
||||
{MAC_S_ATTR_EXT_RELOC, "MAC_S_ATTR_EXT_RELOC"},
|
||||
{MAC_S_ATTR_LOC_RELOC, "MAC_S_ATTR_LOC_RELOC"},
|
||||
|
|
@ -93,7 +120,6 @@ const struct IdName kMachoSectionAttributeNames[] = {
|
|||
};
|
||||
|
||||
const struct IdName kMachoLoadCommandNames[] = {
|
||||
{MAC_LC_REQ_DYLD, "MAC_LC_REQ_DYLD"},
|
||||
{MAC_LC_SEGMENT, "MAC_LC_SEGMENT"},
|
||||
{MAC_LC_SYMTAB, "MAC_LC_SYMTAB"},
|
||||
{MAC_LC_SYMSEG, "MAC_LC_SYMSEG"},
|
||||
|
|
@ -126,6 +152,7 @@ const struct IdName kMachoLoadCommandNames[] = {
|
|||
{MAC_LC_LAZY_LOAD_DYLIB, "MAC_LC_LAZY_LOAD_DYLIB"},
|
||||
{MAC_LC_ENCRYPTION_INFO, "MAC_LC_ENCRYPTION_INFO"},
|
||||
{MAC_LC_DYLD_INFO, "MAC_LC_DYLD_INFO"},
|
||||
{MAC_LC_DYLD_INFO_ONLY, "MAC_LC_DYLD_INFO_ONLY"},
|
||||
{MAC_LC_VERSION_MIN_MACOSX, "MAC_LC_VERSION_MIN_MACOSX"},
|
||||
{MAC_LC_VERSION_MIN_IPHONEOS, "MAC_LC_VERSION_MIN_IPHONEOS"},
|
||||
{MAC_LC_FUNCTION_STARTS, "MAC_LC_FUNCTION_STARTS"},
|
||||
|
|
@ -134,6 +161,18 @@ const struct IdName kMachoLoadCommandNames[] = {
|
|||
{MAC_LC_SOURCE_VERSION, "MAC_LC_SOURCE_VERSION"},
|
||||
{MAC_LC_RPATH, "MAC_LC_RPATH"},
|
||||
{MAC_LC_MAIN, "MAC_LC_MAIN"},
|
||||
{MAC_LC_DYLIB_CODE_SIGN_DRS, "MAC_LC_DYLIB_CODE_SIGN_DRS"},
|
||||
{MAC_LC_ENCRYPTION_INFO_64, "MAC_LC_ENCRYPTION_INFO_64"},
|
||||
{MAC_LC_LINKER_OPTION, "MAC_LC_LINKER_OPTION"},
|
||||
{MAC_LC_LINKER_OPTIMIZATION_HINT, "MAC_LC_LINKER_OPTIMIZATION_HINT"},
|
||||
{MAC_LC_VERSION_MIN_TVOS, "MAC_LC_VERSION_MIN_TVOS"},
|
||||
{MAC_LC_VERSION_MIN_WATCHOS, "MAC_LC_VERSION_MIN_WATCHOS"},
|
||||
{MAC_LC_NOTE, "MAC_LC_NOTE"},
|
||||
{MAC_LC_BUILD_VERSION, "MAC_LC_BUILD_VERSION"},
|
||||
{MAC_LC_DYLD_EXPORTS_TRIE, "MAC_LC_DYLD_EXPORTS_TRIE"},
|
||||
{MAC_LC_DYLD_CHAINED_FIXUPS, "MAC_LC_DYLD_CHAINED_FIXUPS"},
|
||||
{MAC_LC_FILESET_ENTRY, "MAC_LC_FILESET_ENTRY"},
|
||||
{MAC_LC_REEXPORT_DYLIB, "MAC_LC_REEXPORT_DYLIB"},
|
||||
{0, 0},
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -4,6 +4,7 @@
|
|||
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||||
COSMOPOLITAN_C_START_
|
||||
|
||||
extern const struct IdName kMachoArchitectures[];
|
||||
extern const struct IdName kMachoFileTypeNames[];
|
||||
extern const struct IdName kMachoFlagNames[];
|
||||
extern const struct IdName kMachoSegmentFlagNames[];
|
||||
|
|
|
|||
|
|
@ -24,6 +24,8 @@
|
|||
#include "libc/macho.internal.h"
|
||||
#include "libc/runtime/runtime.h"
|
||||
#include "libc/stdio/stdio.h"
|
||||
#include "libc/str/str.h"
|
||||
#include "libc/str/tab.internal.h"
|
||||
#include "libc/sysv/consts/map.h"
|
||||
#include "libc/sysv/consts/o.h"
|
||||
#include "libc/sysv/consts/prot.h"
|
||||
|
|
@ -56,7 +58,10 @@ static void showmachoheader(void) {
|
|||
showtitle(basename(path), "macho", "header", NULL, NULL);
|
||||
printf("\n");
|
||||
showinthex(macho->magic);
|
||||
showinthex(macho->arch);
|
||||
show(".long",
|
||||
firstnonnull(findnamebyid(kMachoArchitectures, macho->arch),
|
||||
format(b1, "%#x", macho->arch)),
|
||||
"macho->arch");
|
||||
showinthex(macho->arch2);
|
||||
show(".long",
|
||||
firstnonnull(findnamebyid(kMachoFileTypeNames, macho->filetype),
|
||||
|
|
@ -157,11 +162,41 @@ static void showmacholoaduuid(struct MachoLoadUuid *lu) {
|
|||
printf(",");
|
||||
}
|
||||
}
|
||||
printf("%#hhx", lu->uuid[i]);
|
||||
printf("%#02hhx", lu->uuid[i]);
|
||||
}
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
#define COLS 8
|
||||
|
||||
static void showmacholoadgeneric(struct MachoLoadCommand *lc) {
|
||||
int i, c, col = 0;
|
||||
int need_newline = 0;
|
||||
char16_t glyphs[COLS + 1];
|
||||
const unsigned char *p, *pe;
|
||||
p = (const unsigned char *)(lc + 1);
|
||||
pe = p + (lc->size - sizeof(*lc));
|
||||
while (p < pe) {
|
||||
c = *p++;
|
||||
if (!col) {
|
||||
need_newline = 1;
|
||||
printf("\t.byte\t");
|
||||
bzero(glyphs, sizeof(glyphs));
|
||||
}
|
||||
glyphs[col] = kCp437[c];
|
||||
if (col) putchar(',');
|
||||
printf("0x%02x", c);
|
||||
if (++col == COLS) {
|
||||
col = 0;
|
||||
printf("\t//%hs\n", glyphs);
|
||||
need_newline = 0;
|
||||
}
|
||||
}
|
||||
if (need_newline) {
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
|
||||
static void showmacholoadsourceversion(
|
||||
struct MachoLoadSourceVersionCommand *sv) {
|
||||
assert(sv->size == sizeof(struct MachoLoadSourceVersionCommand));
|
||||
|
|
@ -192,10 +227,22 @@ static void showmacholoadcommand(struct MachoLoadCommand *lc, unsigned i) {
|
|||
#endif
|
||||
showorg((intptr_t)lc - (intptr_t)macho);
|
||||
printf("%d:", (i + 1) * 10);
|
||||
show(".long",
|
||||
firstnonnull(findnamebyid(kMachoLoadCommandNames, lc->command),
|
||||
format(b1, "%#x", lc->command)),
|
||||
"lc->command");
|
||||
char buf[256];
|
||||
buf[0] = 0;
|
||||
const char *name;
|
||||
uint32_t command = lc->command;
|
||||
if (!(name = findnamebyid(kMachoLoadCommandNames, command)) &&
|
||||
(command & MAC_LC_REQ_DYLD)) {
|
||||
command &= ~MAC_LC_REQ_DYLD;
|
||||
strcpy(buf, "MAC_LC_REQ_DYLD|");
|
||||
name = findnamebyid(kMachoLoadCommandNames, command);
|
||||
}
|
||||
if (name) {
|
||||
strlcat(buf, name, sizeof(buf));
|
||||
} else {
|
||||
strlcat(buf, format(b1, "%#x", command), sizeof(buf));
|
||||
}
|
||||
show(".long", buf, "lc->command");
|
||||
showinthex(lc->size);
|
||||
switch (lc->command) {
|
||||
case MAC_LC_SEGMENT_64:
|
||||
|
|
@ -207,13 +254,53 @@ static void showmacholoadcommand(struct MachoLoadCommand *lc, unsigned i) {
|
|||
case MAC_LC_UUID:
|
||||
showmacholoaduuid((struct MachoLoadUuid *)lc);
|
||||
break;
|
||||
#if 0
|
||||
case MAC_LC_SOURCE_VERSION:
|
||||
showmacholoadsourceversion((struct MachoLoadSourceVersionCommand *)lc);
|
||||
break;
|
||||
#endif
|
||||
case MAC_LC_UNIXTHREAD:
|
||||
showmacholoadunixthread((struct MachoLoadThreadCommand *)lc);
|
||||
break;
|
||||
case MAC_LC_DYLD_INFO:
|
||||
case MAC_LC_DYLD_INFO_ONLY: {
|
||||
const struct MachoDyldInfoCommand *di =
|
||||
(const struct MachoDyldInfoCommand *)lc;
|
||||
showinthex(di->rebase_off);
|
||||
showinthex(di->rebase_size);
|
||||
showinthex(di->bind_off);
|
||||
showinthex(di->bind_size);
|
||||
showinthex(di->weak_bind_off);
|
||||
showinthex(di->weak_bind_size);
|
||||
showinthex(di->lazy_bind_off);
|
||||
showinthex(di->lazy_bind_size);
|
||||
showinthex(di->export_off);
|
||||
showinthex(di->export_size);
|
||||
break;
|
||||
}
|
||||
case MAC_LC_CODE_SIGNATURE:
|
||||
case MAC_LC_SEGMENT_SPLIT_INFO:
|
||||
case MAC_LC_FUNCTION_STARTS:
|
||||
case MAC_LC_DATA_IN_CODE:
|
||||
case MAC_LC_DYLIB_CODE_SIGN_DRS:
|
||||
case MAC_LC_LINKER_OPTIMIZATION_HINT:
|
||||
case MAC_LC_DYLD_EXPORTS_TRIE:
|
||||
case MAC_LC_DYLD_CHAINED_FIXUPS: {
|
||||
const struct MachoLinkeditDataCommand *ld =
|
||||
(const struct MachoLinkeditDataCommand *)lc;
|
||||
showint64hex(ld->dataoff);
|
||||
showint64hex(ld->datasize);
|
||||
break;
|
||||
}
|
||||
case MAC_LC_MAIN: {
|
||||
const struct MachoEntryPointCommand *main =
|
||||
(const struct MachoEntryPointCommand *)lc;
|
||||
showint64hex(main->entryoff);
|
||||
showint64hex(main->stacksize);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
showmacholoadgeneric(lc);
|
||||
break;
|
||||
}
|
||||
printf("\n");
|
||||
|
|
|
|||
|
|
@ -151,6 +151,7 @@
|
|||
"FLT_MIN_EXP"
|
||||
"HLF_MAX"
|
||||
"HLF_MIN"
|
||||
"FLT_EVAL_METHOD"
|
||||
"LDBL_DECIMAL_DIG"
|
||||
"LDBL_DIG"
|
||||
"LDBL_EPSILON"
|
||||
|
|
|
|||
|
|
@ -24,21 +24,25 @@
|
|||
|
||||
int main(int argc, char *argv[]) {
|
||||
int c, col = 0;
|
||||
unsigned char ch;
|
||||
int need_newline = 0;
|
||||
char16_t glyphs[COLS + 1];
|
||||
while ((c = getchar()) != -1) {
|
||||
if (col == 0) {
|
||||
if (!col) {
|
||||
need_newline = 1;
|
||||
printf("\t.byte\t");
|
||||
bzero(glyphs, sizeof(glyphs));
|
||||
}
|
||||
ch = c & 0xff;
|
||||
glyphs[col] = kCp437[ch];
|
||||
glyphs[col] = kCp437[c];
|
||||
if (col) putchar(',');
|
||||
printf("0x%02x", ch);
|
||||
printf("0x%02x", c);
|
||||
if (++col == COLS) {
|
||||
col = 0;
|
||||
printf("\t#%hs\n", glyphs);
|
||||
printf("\t//%hs\n", glyphs);
|
||||
need_newline = 0;
|
||||
}
|
||||
}
|
||||
if (need_newline) {
|
||||
printf("\n");
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue