Compare commits
No commits in common. "f7109b8743adef9e097dbca7689ec31f5a17e66e" and "7c8c2e2dc21b3dc8aa40f35fea1d80aedf0f2858" have entirely different histories.
f7109b8743
...
7c8c2e2dc2
11
.gitignore
vendored
11
.gitignore
vendored
@ -1,3 +1,10 @@
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print
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print_aarch64
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print_mips32
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print_x64
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bldtst
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bldtst_aarch64
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bldtst_mips32
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bldtst_x64
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bldtst_llvm
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a.out
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bin
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tmp
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97
Makefile
97
Makefile
@ -1,85 +1,32 @@
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bindir ?= ./bin
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CFLAGS := -nostdlib -static -fuse-ld=lld -fno-stack-protector
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CLANG_WNO := -Wno-incompatible-library-redeclaration
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GCC_WNO := -Wno-builtin-declaration-mismatch
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MIPS_CFLAGS := --target=mips-linux-gnu -fno-pic
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MIPSEL_CFLAGS := --target=mipsel-linux-gnu -fno-pic
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X86_64_CFLAGS := --target=x86_64-linux-gnu
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AARCH64_CFLAGS := --target=aarch64-linux-gnu
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all: buildtest socktest stackdump
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all: buildtest
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clean:
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rm $(bindir)/*
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if test -f print; then rm print; fi
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if test -f print_x64; then rm print_x64; fi
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if test -f print_aarch64; then rm print_aarch64; fi
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if test -f print_mips32; then rm print_mips32; fi
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if test -f bldtst; then rm bldtst; fi
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if test -f bldtst_llvm; then rm bldtst_llvm; fi
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if test -f bldtst_x64; then rm bldtst_x64; fi
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if test -f bldtst_aarch64; then rm bldtst_aarch64; fi
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if test -f bldtst_mips32; then rm bldtst_mips32; fi
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$(bindir)/:
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mkdir -p ${bindir}
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buildtest: bldtst bldtst_llvm bldtst_x64 bldtst_aarch64 bldtst_mips32
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headers := sys.h int.h
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buildtest: $(bindir)/bldtst $(bindir)/bldtst_llvm $(bindir)/bldtst_x64 $(bindir)/bldtst_aarch64 $(bindir)/bldtst_mips $(bindir)/bldtst_mipsel
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socktest: $(bindir)/socktest $(bindir)/socktest_llvm $(bindir)/socktest_x64 $(bindir)/socktest_aarch64 $(bindir)/socktest_mips $(bindir)/socktest_mipsel
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stackdump: $(bindir)/stackdump $(bindir)/stackdump_llvm $(bindir)/stackdump_x64 $(bindir)/stackdump_aarch64 $(bindir)/stackdump_mips $(bindir)/stackdump_mipsel
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.PHONY: all buildtest clean
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.PHONY: all clean buildtest socktest stackdump
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bldtst: buildtest.c arch/*.c
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gcc -static -nostdlib -Wno-builtin-declaration-mismatch -fno-stack-protector -o bldtst buildtest.c arch/*.c
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bldtst_llvm: buildtest.c arch/*.c
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clang -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_llvm buildtest.c arch/*.c
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${bindir}/bldtst: buildtest.c $(headers) arch/* | $(bindir)/
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gcc $(CFLAGS) $(GCC_WNO) -o $@ buildtest.c arch/*.c
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bldtst_x64: buildtest.c arch/x86_64.c
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clang --target=x86_64-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_x64 buildtest.c arch/x86_64.c
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${bindir}/bldtst_llvm: $(headers) buildtest.c arch/* | $(bindir)/
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clang $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/*.c
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bldtst_aarch64: buildtest.c arch/aarch64.c
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clang --target=aarch64-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -o bldtst_aarch64 buildtest.c arch/aarch64.c
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${bindir}/bldtst_x64: $(headers) buildtest.c arch/x86_64.c arch/generic.h | $(bindir)/
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clang $(X86_64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/x86_64.c
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${bindir}/bldtst_aarch64: $(headers) buildtest.c arch/aarch64.c arch/generic.h | $(bindir)/
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clang $(AARCH64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/aarch64.c
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${bindir}/bldtst_mips: $(headers) buildtest.c arch/mips.c arch/generic.h | $(bindir)/
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clang $(MIPS_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/mips.c
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${bindir}/bldtst_mipsel: $(headers) buildtest.c arch/mips.c arch/generic.h | $(bindir)/
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clang $(MIPSEL_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ buildtest.c arch/mips.c
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${bindir}/socktest: socktest.c $(headers) arch/* | $(bindir)/
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gcc $(CFLAGS) $(GCC_WNO) -o $@ socktest.c arch/*.c
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${bindir}/socktest_llvm: $(headers) socktest.c arch/* | $(bindir)/
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clang $(CFLAGS) $(CLANG_WNO) -o $@ socktest.c arch/*.c
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${bindir}/socktest_x64: $(headers) socktest.c arch/x86_64.c arch/generic.h | $(bindir)/
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clang $(X86_64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ socktest.c arch/x86_64.c
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${bindir}/socktest_aarch64: $(headers) socktest.c arch/aarch64.c arch/generic.h | $(bindir)/
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clang $(AARCH64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ socktest.c arch/aarch64.c
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${bindir}/socktest_mips: $(headers) socktest.c arch/mips.c arch/generic.h | $(bindir)/
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clang $(MIPS_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ socktest.c arch/mips.c
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${bindir}/socktest_mipsel: $(headers) socktest.c arch/mips.c arch/generic.h | $(bindir)/
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clang $(MIPSEL_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ socktest.c arch/mips.c
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${bindir}/stackdump: stackdump.c $(headers) arch/* | $(bindir)/
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gcc -D _START_DEFINED $(CFLAGS) $(GCC_WNO) -o $@ stackdump.c arch/*.c
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${bindir}/stackdump_llvm: $(headers) stackdump.c arch/* | $(bindir)/
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clang -D _START_DEFINED $(CFLAGS) $(CLANG_WNO) -o $@ stackdump.c arch/*.c
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${bindir}/stackdump_x64: $(headers) stackdump.c arch/x86_64.c arch/generic.h | $(bindir)/
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clang -D _START_DEFINED $(X86_64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ stackdump.c arch/x86_64.c
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${bindir}/stackdump_aarch64: $(headers) stackdump.c arch/aarch64.c arch/generic.h | $(bindir)/
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clang -D _START_DEFINED $(AARCH64_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ stackdump.c arch/aarch64.c
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${bindir}/stackdump_mips: $(headers) stackdump.c arch/mips.c arch/generic.h | $(bindir)/
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clang -D _START_DEFINED $(MIPS_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ stackdump.c arch/mips.c
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${bindir}/stackdump_mipsel: $(headers) stackdump.c arch/mips.c arch/generic.h | $(bindir)/
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clang -D _START_DEFINED $(MIPSEL_CFLAGS) $(CFLAGS) $(CLANG_WNO) -o $@ stackdump.c arch/mips.c
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bldtst_mips32: buildtest.c arch/mips.c
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clang --target=mips-linux-gnu -nostdlib -Wno-incompatible-library-redeclaration -static -fuse-ld=lld -fno-stack-protector -fno-pic -o bldtst_mips32 buildtest.c arch/mips.c
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@ -9,7 +9,7 @@ int main() {
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server.sin_family = AF_INET;
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server.sin_addr.s_addr = INADDR_ANY;
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#if defined(__mips__)
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server.sin_port = 6969;
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#else
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server.sin_port = 0x391b;
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133
stackdump.c
133
stackdump.c
@ -1,133 +0,0 @@
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#include "sys.h"
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#include "int.h"
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/*
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Line format: "AAAAAAAAAAAAAAAA BBBB BBBB BBBB BBBB CCCCCCCC\n"
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16: hex ptr
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2: space
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4: 2 hex bytes data
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1: space
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4: 2 hex bytes data
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1: space
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4: 2 hex bytes data
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1: space
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4: 2 hex bytes data
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2: space
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8: 8 char bytes data
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1: new line
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---
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48: total bytes
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# s0: original sp
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# s1: buffer start pointer
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# s2: line counter
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# s3: current data being printed (both addr and *addr)
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# s4: nibble/byte offset
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# s5: current nibble (both binary and ascii hex)
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# s6: current buffer position pointer
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*/
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#if defined(__x86_64__) || defined(__aarch64__)
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#define WRD_LEN 64
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typedef uint64_t word_t;
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#define SIZEOF_WORD_T 8
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#define LEN 48
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#elif defined(__mips__)
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#define WRD_LEN 32
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typedef uint32_t word_t;
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#define SIZEOF_WORD_T 4
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#define LEN 26
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#endif
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#define NIBBLE_LEN 4
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#define CHAR_LEN 8
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//uint64_t* sp; // Original sp
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char* sp; // Original sp
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char* fp; // frame pointer
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char buff[LEN]; // buffer pointer
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int line; // line counter
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word_t data; // Current data
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int offset; // nibble/char offset
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int nibble; // current nibble/char
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char* pos; // buffer position
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// Compile with -D _START_DEFINED
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#if defined(__mips__)
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void __start() {
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#else
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void _start() {
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#endif /* ifndef defined(__mips__) */
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// Save stack pointer
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#if defined(__x86_64__)
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asm volatile("mov %%rsp, %0\n" : "=r"(sp));
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#elif defined(__mips__)
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asm volatile("move %0, $sp\n" : "=r"(sp));
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#elif defined(__aarch64__)
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asm volatile("mov %0, sp\n" : "=r"(sp));
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#else
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#error arch not supported
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#endif
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fp = __builtin_frame_address(0);
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//fp = __builtin_return_address(0);
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//if(fp != sp) exit(sp - fp);
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// Clear buffer with spaces and newline
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for(pos=buff; pos < buff+LEN-1; ++pos) *pos = ' ';
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buff[LEN-1] = '\n';
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// Add some vars to see how ith changes the stack
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// volatile word_t padd = 0x11;
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// volatile word_t padd2 = 0x12;
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// Loop until segfault
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for(line = 0;;line += 1) {
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// Load address of next word into data
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data = (word_t)((line*SIZEOF_WORD_T) + sp);
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if(fp == (char*)data) write(STDOUT, "FP\n", 3);
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// reset buffer position
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pos = buff;
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// print addr in hex //
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for(offset=WRD_LEN-NIBBLE_LEN; offset >= 0; offset -= NIBBLE_LEN) {
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nibble = (data >> offset) & 0x0f; // store current nibble in nibble
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// convert nibble to hex
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nibble = nibble + '0';
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if(nibble > '9') nibble = nibble + 7;
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// write hex char to buffer
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*pos = nibble;
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pos += 1;
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}
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// Print data as hex //
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pos += 2; // Add 2 padded spaces
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data = *(word_t*)data; // Load data into data
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for(offset=WRD_LEN-NIBBLE_LEN; offset>=0; offset -= NIBBLE_LEN) {
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nibble = (data >> offset) & 0x0f; // Store current nibble in nibble
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// Convert nibble to hex char
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nibble = nibble + '0';
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if(nibble > '9') nibble = nibble + 7;
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// Write hex char to buffer
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*pos = nibble;
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pos += 1;
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// Add space every 2 bytes (4 nibbles)
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if((offset % 16) == 0) pos += 1;
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}
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pos += 1;
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// Print data as char //
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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for(offset = WRD_LEN - CHAR_LEN; offset >= 0; offset -= CHAR_LEN) {
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#else
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for(offset = 0; offset < WRD_LEN; offset += CHAR_LEN) {
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#endif /* ifndef defined(__mips__) */
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nibble = (data >> offset) & 0xff; // Store current char in nibble
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if((nibble < ' ') || (nibble > '~')) *pos = '~'; // Use placeholder for non printable chars
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else *pos = nibble; // Write printable char
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pos += 1;
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}
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// Write to STDOUT //
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write(STDOUT, buff, LEN);
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fsync(STDOUT);
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}
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}
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