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hdbg arm64 implementation proposal. #19

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a95e061
hdbg arm64 implementation proposal.
devnexen Aug 27, 2023
9294a9f
changes from feedback.
devnexen Aug 30, 2023
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2 changes: 1 addition & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,7 @@ message(STATUS "Version: ${VERSION_TAG}")
add_definitions("-DVERSION=${VERSION_TAG}")

set(CMAKE_CXX_STANDARD 17)
add_definitions("-std=c++17") # the above does not work for clang.
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17") # the above does not work for clang.

add_definitions("-Wall -Wextra -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE")
# Adding frame pointers makes things easy to run performance measurements with,
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21 changes: 14 additions & 7 deletions heap.c
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Expand Up @@ -344,13 +344,7 @@ getframe(void ***bp, void ***ip) {
"ret;"
);
}
#elif defined(__aarch64__) || defined(__arm__)
void
getframe(void ***bp, void ***ip) {
//XXX: TODO: support aarch64
}
#else

#elif defined(__i386__)
static void __attribute__((naked,noinline,optimize("O0")))
getframe(void ***bp, void ***ip) {
asm("mov (%esp), %ecx;"
Expand All @@ -360,6 +354,19 @@ getframe(void ***bp, void ***ip) {
"mov %ebp, (%edx);"
"ret;");
}
#elif defined(__aarch64__)
static void __attribute__((naked,noinline,optimize("O0")))
getframe(void ***bp, void ***ip) {
asm(
"mov x0, x29;"
"mov x1, x30;"
"ret;");
}
#else
void
getframe(void ***bp, void ***ip) {
//XXX: TODO: support other relevant archs
}
#endif

static void getstacktrace(void **ents, int max_ents) {
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3 changes: 2 additions & 1 deletion tests/CMakeLists.txt
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Expand Up @@ -6,8 +6,9 @@ project(pstack-tests C CXX)
set(CMAKE_BUILD_TYPE Debug)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17")

add_definitions("-std=c++17 -O0 -D_FORTIFY_SOURCE=0 -I${CMAKE_SOURCE_DIR}")
add_definitions("-O0 -D_FORTIFY_SOURCE=0 -I${CMAKE_SOURCE_DIR}")

add_library(testhelper STATIC abort.c)

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