add extra bytes to rvm_calcfmem()'s output

vytdev · vytdev · commit ec3b2b11c2db · 2025-05-10T09:49:33.000+08:00
diff --git a/rvm.c b/rvm.c
@@ -50,8 +50,8 @@ struct rvm rvm_new(void *mem, rvm_uint memsz)
 
 rvm_uint rvm_calcfmem(rvm_uint sz)
 {
-  /* align up + trap instruction */
-  return (sz + (RVM_INLN << 1) - 1) & ~(RVM_INLN - 1);
+  /* align up + trap instruction + extra */
+  return ((sz + (RVM_INLN << 1) - 1) & ~(RVM_INLN - 1)) + 32;
 }
 
 const char *rvm_strstat(signed e)

Original file line number	Diff line number	Diff line change
`@@ -50,8 +50,8 @@ struct rvm rvm_new(void *mem, rvm_uint memsz)`
`50`	`50`
`51`	`51`	`rvm_uint rvm_calcfmem(rvm_uint sz)`
`52`	`52`	`{`
`53`		`- /* align up + trap instruction */`
`54`		`- return (sz + (RVM_INLN << 1) - 1) & ~(RVM_INLN - 1);`
	`53`	`+ /* align up + trap instruction + extra */`
	`54`	`+ return ((sz + (RVM_INLN << 1) - 1) & ~(RVM_INLN - 1)) + 32;`
`55`	`55`	`}`
`56`	`56`
`57`	`57`	`const char *rvm_strstat(signed e)`