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authorJune McEnroe <june@causal.agency>2016-10-05 23:34:03 -0400
committerJune McEnroe <june@causal.agency>2016-10-05 23:34:03 -0400
commitb39696681715ef68c6e1d967a73538af982c04ab (patch)
tree3cd072699bfe593a41ca542e954488f3c0b431dd
parentBegin JRP (diff)
downloadsrc-b39696681715ef68c6e1d967a73538af982c04ab.tar.gz
src-b39696681715ef68c6e1d967a73538af982c04ab.zip
Use rbp instead of r15 in jrp
-rwxr-xr-x.bin/jrp.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/.bin/jrp.c b/.bin/jrp.c
index 615f8a97..83894342 100755
--- a/.bin/jrp.c
+++ b/.bin/jrp.c
@@ -3,9 +3,8 @@ exec cc -Wall -Wextra $@ -o $(dirname $0)/jrp $0
 #endif
 
 enum op {
-    OP_PROL = 0xfc8948e789495741, // push r15; mov r15, rsp; mov rsp, rdi
-    OP_EPIL = 0x5f41fc894ce08948, // mov rax, rsp; mov rsp, r15; pop r15
-    OP_RET  = 0x90666690666666c3, // ret
+    OP_PROL = 0x90fc8948e5894855, // push ebp; mov rbp, rsp; mov rsp, rdi
+    OP_EPIL = 0xc35dec8948e08948, // mov rax, rsp; mov rsp, rbp; pop rbp; ret
     OP_CALL = 0x90666666d0ff5f58, // pop rax; pop rdi; call rax
     OP_PUSH = 0x9066660000000068, // push strict dword 0
     OP_DROP = 0x9066666608c48348, // add rsp, 8