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GT-3113 x86/64 linux syscalls

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This commit is contained in:
James 2019-08-27 17:06:20 -04:00
parent 586ba6ad92
commit 8302bef89a
12 changed files with 1103 additions and 4 deletions
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5
GhidraDocs/GhidraClass/Advanced/Examples/Makefile
View file

@ -4,7 +4,7 @@ AS=gcc
OUTDIR := out
EXAMPLES := dataMutability override custom switch sharedReturn jumpWithinInstruction opaque globalRegVars.so setRegister compilerVsDecompiler noReturn createStructure animals ldiv inline
EXAMPLES := dataMutability override custom switch sharedReturn jumpWithinInstruction opaque globalRegVars.so setRegister compilerVsDecompiler noReturn createStructure animals ldiv inline write
$(EXAMPLES): | $(OUTDIR)
@ -59,5 +59,8 @@ ldiv: ldiv.c
inline: inline.s
$(AS) inline.s -o $(OUTDIR)/inline
write: write.c
$(CC) write.c -o $(OUTDIR)/write -O1
clean:
rm -rf $(OUTDIR)

27
GhidraDocs/GhidraClass/Advanced/Examples/write.c Normal file
View file

@ -0,0 +1,27 @@
/* ###
* IP: GHIDRA
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
char *hello = "Hello World!\n";
int main(int argc, char **argv){
asm(".intel_syntax noprefix");
asm("mov rax,1");
asm("mov rdi,1");
asm("mov rsi, QWORD PTR hello[rip]");
asm("mov rdx, 13");
asm("syscall");
asm(".att_syntax prefix");
return 0;
}