From 29062e6c441f1bf34a9105b775cbde8955646388 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Janouch?= Date: Sun, 25 Dec 2016 00:56:01 +0100 Subject: [PATCH] Fix error handling Offset overflowed. --- bfc-amd64.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/bfc-amd64.c b/bfc-amd64.c index 9681ca1..9cb5b98 100644 --- a/bfc-amd64.c +++ b/bfc-amd64.c @@ -619,9 +619,9 @@ main (int argc, char *argv[]) CODE ("\x66\x5B") // pop bx CODE ("\x48\x83\xF8\x00") // cmp rax, 0 - CODE ("\x48\x8D\x35") DD (4) // lea rsi, [rel read_message] - CODE ("\x7C") // jl "fatal_offset" -- write failure message - DB ((intptr_t) fatal_offset - (intptr_t) (buffer.len + 1)) + CODE ("\x48\x8D\x35") DD (8) // lea rsi, [rel read_message] + CODE ("\x0F\x8C") // jl "fatal_offset" -- write failure message + DD ((intptr_t) fatal_offset - (intptr_t) (buffer.len + 4)) CODE ("\x58") // pop rax -- restore tape position CODE ("\xC3") // ret CODE ("fatal: read failed\n\0") @@ -637,9 +637,9 @@ main (int argc, char *argv[]) CODE ("\x66\x5B") // pop bx CODE ("\x48\x83\xF8\x00") // cmp rax, 0 - CODE ("\x48\x8D\x35") DD (4) // lea rsi, [rel write_message] - CODE ("\x7C") // jl "fatal_offset" -- write failure message - DB ((intptr_t) fatal_offset - (intptr_t) (buffer.len + 1)) + CODE ("\x48\x8D\x35") DD (8) // lea rsi, [rel write_message] + CODE ("\x0F\x8C") // jl "fatal_offset" -- write failure message + DD ((intptr_t) fatal_offset - (intptr_t) (buffer.len + 4)) CODE ("\x58") // pop rax -- restore tape position CODE ("\xC3") // ret CODE ("fatal: write failed\n\0")