[Git][cmucl/cmucl][rtoy-mmap-anon-control-and-binding-stacks] Add RELOCATABLE_STACK_START to control stack spaces for linux.

[Raymond Toy]

Raymond Toy pushed to branch rtoy-mmap-anon-control-and-binding-stacks at cmucl / cmucl


Commits:
603fb6a0 by Raymond Toy at 2016-05-10T19:13:32-07:00
Add RELOCATABLE_STACK_START to control stack spaces for linux.

When RELOCATABLE_STACK_START is defined, the control stack, binding
stack, and sigalt stack are located wherever mmap finds room for them.

- - - - -


2 changed files:

- src/lisp/Config.x86_linux
- src/lisp/x86-validate-linux.h


Changes:

=====================================
src/lisp/Config.x86_linux
=====================================
--- a/src/lisp/Config.x86_linux
+++ b/src/lisp/Config.x86_linux
@@ -1,7 +1,7 @@
 # -*- Mode: makefile -*-
 include Config.x86_common
 
-CPPFLAGS += -m32 -D__NO_CTYPE -D_GNU_SOURCE
+CPPFLAGS += -m32 -D__NO_CTYPE -D_GNU_SOURCE -DRELOCATABLE_STACK_START
 CFLAGS += -rdynamic  -march=pentium4 -mfpmath=sse -mtune=generic
 
 UNDEFSYMPATTERN = -Xlinker -u -Xlinker &


=====================================
src/lisp/x86-validate-linux.h
=====================================
--- a/src/lisp/x86-validate-linux.h
+++ b/src/lisp/x86-validate-linux.h
@@ -45,17 +45,17 @@
 #define STATIC_SPACE_START	(SpaceStart_TargetStatic)
 #define STATIC_SPACE_SIZE	(0x0ffff000)	/* 256MB - 1 page */
 
-#if 0
+#ifdef RELOCATABLE_STACK_START
 #define BINDING_STACK_START	(0x20000000)
 #endif
 #define BINDING_STACK_SIZE	(0x07fff000)	/* 128MB - 1 page */
 
-#if 0
+#ifdef RELOCATABLE_STACK_START
 #define CONTROL_STACK_START	0x38000000
 #endif
 #define CONTROL_STACK_SIZE	(0x07fff000 - 8192)
 
-#if 0
+#ifdef RELOCATABLE_STACK_START
 #define SIGNAL_STACK_START	CONTROL_STACK_END
 #endif
 #define SIGNAL_STACK_SIZE	SIGSTKSZ



View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/commit/603fb6a031a14f9d25c4664fd5ae9543a8e6a8bf
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