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[PATCH v1 09/14] tests/tcg: add HeapInfo checking to semihosting test
From: |
Alex Bennée |
Subject: |
[PATCH v1 09/14] tests/tcg: add HeapInfo checking to semihosting test |
Date: |
Sat, 20 Mar 2021 13:37:01 +0000 |
Query the SYS_HEAPINFO semicall and do some basic verification of the
information via libc calls.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210312102029.17017-6-alex.bennee@linaro.org>
---
.../multiarch/arm-compat-semi/semihosting.c | 44 ++++++++++++++++++-
1 file changed, 43 insertions(+), 1 deletion(-)
diff --git a/tests/tcg/multiarch/arm-compat-semi/semihosting.c
b/tests/tcg/multiarch/arm-compat-semi/semihosting.c
index b3fd16cd12..8e9cfb578c 100644
--- a/tests/tcg/multiarch/arm-compat-semi/semihosting.c
+++ b/tests/tcg/multiarch/arm-compat-semi/semihosting.c
@@ -8,9 +8,13 @@
*/
#define SYS_WRITE0 0x04
+#define SYS_HEAPINFO 0x16
#define SYS_REPORTEXC 0x18
#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
#include "semicall.h"
int main(int argc, char *argv[argc])
@@ -21,8 +25,46 @@ int main(int argc, char *argv[argc])
uintptr_t exit_block[2] = {0x20026, 0};
uintptr_t exit_code = (uintptr_t) &exit_block;
#endif
+ struct {
+ void *heap_base;
+ void *heap_limit;
+ void *stack_base;
+ void *stack_limit;
+ } info;
+ void *ptr_to_info = (void *) &info;
- __semi_call(SYS_WRITE0, (uintptr_t) "Hello World");
+ __semi_call(SYS_WRITE0, (uintptr_t) "Checking HeapInfo\n");
+
+ memset(&info, 0, sizeof(info));
+ __semi_call(SYS_HEAPINFO, (uintptr_t) &ptr_to_info);
+
+ if (info.heap_base == NULL || info.heap_limit == NULL) {
+ printf("null heap: %p -> %p\n", info.heap_base, info.heap_limit);
+ exit(1);
+ } else if (info.heap_base != NULL && info.heap_limit != NULL) {
+ /* Error if heap base is above limit */
+ if ((uintptr_t) info.heap_base >= (uintptr_t) info.heap_limit) {
+ printf("heap base %p >= heap_limit %p\n",
+ info.heap_base, info.heap_limit);
+ exit(2);
+ }
+ }
+
+ if (info.stack_base == NULL) {
+ printf("null stack: %p -> %p\n", info.stack_base, info.stack_limit);
+ exit(3);
+ } else if (info.stack_base != NULL && info.stack_limit != NULL) {
+ /* Error if stack base is below limit */
+ if ((uintptr_t) info.stack_base < (uintptr_t) info.stack_limit) {
+ printf("stack base %p < stack_limit %p\n",
+ info.stack_base, info.stack_limit);
+ exit(4);
+ }
+ }
+ printf("heap: %p -> %p\n", info.heap_base, info.heap_limit);
+ printf("stack: %p -> %p\n", info.stack_base, info.stack_limit);
+
+ __semi_call(SYS_WRITE0, (uintptr_t) "Passed HeapInfo checks");
__semi_call(SYS_REPORTEXC, exit_code);
/* if we get here we failed */
return -1;
--
2.20.1
- [PATCH v1 02/14] docs/devel: include the plugin API information from the headers, (continued)
- [PATCH v1 02/14] docs/devel: include the plugin API information from the headers, Alex Bennée, 2021/03/20
- [PATCH v1 05/14] semihosting: move semihosting tests to multiarch, Alex Bennée, 2021/03/20
- [PATCH v1 04/14] tools/virtiofsd: include --socket-group in help, Alex Bennée, 2021/03/20
- [PATCH v1 03/14] docs/devel: expand style section of memory management, Alex Bennée, 2021/03/20
- [PATCH v1 07/14] semihosting/arm-compat-semi: don't use SET_ARG to report SYS_HEAPINFO, Alex Bennée, 2021/03/20
- [PATCH v1 11/14] configure: Don't use the __atomic_*_16 functions for testing 128-bit support, Alex Bennée, 2021/03/20
- [PATCH v1 10/14] gitlab-ci.yml: Merge the trace-backend testing into other jobs, Alex Bennée, 2021/03/20
- [PATCH v1 06/14] semihosting/arm-compat-semi: unify GET/SET_ARG helpers, Alex Bennée, 2021/03/20
- [PATCH v1 09/14] tests/tcg: add HeapInfo checking to semihosting test,
Alex Bennée <=
- [PATCH v1 12/14] cirrus.yml: Update the FreeBSD task to version 12.2, Alex Bennée, 2021/03/20
- [PATCH v1 14/14] utils: Work around mingw strto*l bug with 0x, Alex Bennée, 2021/03/20
- [PATCH v1 13/14] utils: Tighter tests for qemu_strtosz, Alex Bennée, 2021/03/20
- Re: [PATCH for 6.0 v1 00/14] fixes for rc1 (kernel-doc, semihosting, testing), no-reply, 2021/03/20