diff options
Diffstat (limited to 'meta/recipes-support/libunwind/libunwind/0001-src-Gtrace-remove-unguarded-print-calls.patch')
-rw-r--r-- | meta/recipes-support/libunwind/libunwind/0001-src-Gtrace-remove-unguarded-print-calls.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/meta/recipes-support/libunwind/libunwind/0001-src-Gtrace-remove-unguarded-print-calls.patch b/meta/recipes-support/libunwind/libunwind/0001-src-Gtrace-remove-unguarded-print-calls.patch new file mode 100644 index 0000000000..5840c2b4f6 --- /dev/null +++ b/meta/recipes-support/libunwind/libunwind/0001-src-Gtrace-remove-unguarded-print-calls.patch @@ -0,0 +1,52 @@ +From 9b27fa9bcd5cadd4c841c42710f41a090377e531 Mon Sep 17 00:00:00 2001 +From: Ross Burton <ross.burton@arm.com> +Date: Fri, 24 Mar 2023 16:18:44 +0000 +Subject: [PATCH] src/Gtrace: remove unguarded print() calls + +There is a use of printf() without #include stdio.h in src/arm/Gtrace.c, +which results in a compiler error if clang 16 is used: + +src/arm/Gtrace.c:529:7: error: call to undeclared library function +'printf' with type 'int (const char *, ...)'; ISO C99 and later do not +support implicit function declarations [-Wimplicit-function-declaration] + +Replace the printf("XXX") with a Dprintf, so it doesn't pull stdio in +unless in a debug build, and reword the message to be clearer. + +Also there is another printf("XXX") inside a FreeBSD-specific block in +the UNW_ARM_FRAME_SIGRETURN case, replace this with a #error as the code +needs to be implemented. + +Fixes #482. + +Upstream-Status: Backport [9b27fa9bcd5cadd4c841c42710f41a090377e531] +Signed-off-by: Ross Burton <ross.burton@arm.com> +--- + src/arm/Gtrace.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/src/arm/Gtrace.c b/src/arm/Gtrace.c +index 51fc281d..9e0f25af 100644 +--- a/src/arm/Gtrace.c ++++ b/src/arm/Gtrace.c +@@ -514,7 +514,7 @@ tdep_trace (unw_cursor_t *cursor, void **buffer, int *size) + if (likely(ret >= 0)) + ACCESS_MEM_FAST(ret, c->validate, d, cfa + LINUX_SC_LR_OFF, lr); + #elif defined(__FreeBSD__) +- printf("XXX\n"); ++ #error implement UNW_ARM_FRAME_SIGRETURN on FreeBSD + #endif + + /* Resume stack at signal restoration point. The stack is not +@@ -526,7 +526,7 @@ tdep_trace (unw_cursor_t *cursor, void **buffer, int *size) + break; + + case UNW_ARM_FRAME_SYSCALL: +- printf("XXX1\n"); ++ Dprintf ("%s: implement me\n", __FUNCTION__); + break; + + default: +-- +2.34.1 + |