From 113bae7311b63e55e55160970718d19bfeeb56c3 Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Wed, 1 Jan 2020 17:23:29 -0800 Subject: 5856 --- examples/ex5.subx | 41 ----------------------------------------- 1 file changed, 41 deletions(-) delete mode 100644 examples/ex5.subx (limited to 'examples/ex5.subx') diff --git a/examples/ex5.subx b/examples/ex5.subx deleted file mode 100644 index bacef8d4..00000000 --- a/examples/ex5.subx +++ /dev/null @@ -1,41 +0,0 @@ -# Read a character from stdin, save it to a local on the stack, write it to stdout. -# -# To run: -# $ ./subx translate init.linux examples/ex5.subx -o examples/ex5 -# $ ./subx run examples/ex5 - -== code -# instruction effective address register displacement immediate -# . op subop mod rm32 base index scale r32 -# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes - -Entry: - - # allocate x on the stack - 81 5/subop/subtract 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # subtract from esp - - # read(stdin, x, 1) - # . fd = 0 (stdin) - bb/copy-to-ebx 0/imm32 - # . data = x (location to write result to) - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/esp 4/index/none 1/r32/ecx 4/disp8 . # copy esp+4 to ecx - # . size = 1 character - ba/copy-to-edx 1/imm32 - # . syscall - e8/call syscall_read/disp32 - - # syscall(write, stdout, x, 1) - # . fd = 1 (stdout) - bb/copy-to-ebx 1/imm32 - # . data = x (location to read from) - 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/esp 4/index/none 1/r32/ecx 4/disp8 . # copy esp+4 to ecx - # . size = 1 character - ba/copy-to-edx 1/imm32 - # . syscall - b8/copy-to-eax 4/imm32/write - cd/syscall 0x80/imm8 - - # exit(ebx) - e8/call syscall_exit/disp32 - -# . . vim:nowrap:textwidth=0 -- cgit 1.4.1-2-gfad0 ounds.cc.html'>
path: root/html/subx/032check_operand_bounds.cc.html
blob: 63838a83f6d690eb4f58fcd3cd55205c91f57053 (plain) (tree) 
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