suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Chez Scheme: repair to support vfasl boot in Rosetta

Browse Source 
When Rosetta 2 runs x86_64 code, it doesn't enforce W^X, but the
`read` system call still refuses to write into executable memory.
This commit is contained in:
Matthew Flatt 2020-12-19 10:48:20 -07:00
parent ec064bee31
commit c05d0a6fa5
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
racket/src/ChezScheme/c/version.h
View File

@ -329,6 +329,9 @@ typedef int tputsputcchar;
# define S_ENABLE_CODE_WRITE(on) pthread_jit_write_protect_np(!(on)) # define S_ENABLE_CODE_WRITE(on) pthread_jit_write_protect_np(!(on))
# define CANNOT_READ_DIRECTLY_INTO_CODE # define CANNOT_READ_DIRECTLY_INTO_CODE
# include <pthread.h> # include <pthread.h>
#elif defined(__x86_64__)
/* needed to run under Rosetta2 on ARM Mac OS: */
# define CANNOT_READ_DIRECTLY_INTO_CODE
#endif #endif
#define LDEXP #define LDEXP
#define ARCHYPERBOLIC #define ARCHYPERBOLIC