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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-05-22 17:47:49 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2023-05-22 17:47:53 +0000 |
| commit | ea752260cc40ab3411d841cb5ece8df66b27add4 (patch) | |
| tree | 36f882ec8f7d0a84a9e2eb961b43edf608832e2b /mach | |
| parent | ea08d8dceab27ef464b9c00a03b5c61a741a634d (diff) | |
| download | glibc-ea752260cc40ab3411d841cb5ece8df66b27add4.zip glibc-ea752260cc40ab3411d841cb5ece8df66b27add4.tar.gz glibc-ea752260cc40ab3411d841cb5ece8df66b27add4.tar.bz2 | |
mach: Fix mach_setup_thread_impl with NULL stack_base
This is notably necessary for running the gmon thread.
Diffstat (limited to 'mach')
| -rw-r--r-- | mach/setup-thread.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mach/setup-thread.c b/mach/setup-thread.c index 0e14978..af16d6c 100644 --- a/mach/setup-thread.c +++ b/mach/setup-thread.c @@ -33,7 +33,7 @@ mach_setup_thread_impl (task_t task, thread_t thread, int is_call, kern_return_t error; struct machine_thread_state ts; mach_msg_type_number_t tssize = MACHINE_THREAD_STATE_COUNT; - vm_address_t stack; + vm_address_t stack, stack_start; vm_size_t size; int anywhere; @@ -51,22 +51,22 @@ mach_setup_thread_impl (task_t task, thread_t thread, int is_call, *stack_size = size; #ifdef STACK_GROWTH_DOWN - if (stack_base) - *stack_base = stack + __vm_page_size; + stack_start = stack + __vm_page_size; #elif defined (STACK_GROWTH_UP) - if (stack_base) - *stack_base = stack; + stack_start = stack; stack += size; #else #error stack direction unknown #endif + if (stack_base) + *stack_base = stack_start; if (is_call) - MACHINE_THREAD_STATE_SETUP_CALL (&ts, *stack_base, size, pc); + MACHINE_THREAD_STATE_SETUP_CALL (&ts, stack_start, size, pc); else { MACHINE_THREAD_STATE_SET_PC (&ts, pc); - MACHINE_THREAD_STATE_SET_SP (&ts, *stack_base, size); + MACHINE_THREAD_STATE_SET_SP (&ts, stack_start, size); } /* Create the red zone. */ |