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sample/memfd shows /proc/self/maps

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MITSUNARI Shigeo 2022-03-08 10:42:57 +09:00
parent 2861517f25
commit 615b665cc2
1 changed files with 11 additions and 3 deletions
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14
sample/memfd.cpp
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@ -1,4 +1,5 @@
/*
a sample to use MmapAllocator with an user-defined name
cat /proc/`psidof ./memfd`/maps
7fca70b44000-7fca70b4a000 rw-p 00000000 00:00 0
@ -9,6 +10,7 @@
*/
#define XBYAK_USE_MEMFD
#include <xbyak/xbyak.h>
#include <fstream>
class Code : Xbyak::MmapAllocator, public Xbyak::CodeGenerator {
public:
@ -23,9 +25,15 @@ public:
int main()
{
Code c1("abc", 123);
Code c2("xyz", 456);
Code c1("Xbyak::abc", 123);
Code c2("Xbyak::xyz", 456);
printf("c1 %d\n", c1.getCode<int (*)()>()());
printf("c2 %d\n", c2.getCode<int (*)()>()());
getchar();
std::ifstream ifs("/proc/self/maps", std::ios::binary);
if (ifs) {
std::string line;
while (std::getline(ifs, line)) {
printf("%s\n", line.c_str());
}
}
}