changeset:   599606:74707e8ecf38
user:        Greg V <greg@unrelenting.technology>
date:        Wed May 06 17:44:19 2020 +0000
summary:     Bug 1634205 - Support Gecko Profiler and Base Profiler on FreeBSD r=mstange

diff --git a/src/common/dwarf/elf_reader.cc b/src/common/dwarf/elf_reader.cc
--- a/src/common/dwarf/elf_reader.cc
+++ b/src/common/dwarf/elf_reader.cc
@@ -52,17 +52,17 @@
 
 // EM_AARCH64 is not defined by elf.h of GRTE v3 on x86.
 // TODO(dougkwan): Remove this when v17 is retired.
 #if !defined(EM_AARCH64)
 #define EM_AARCH64      183             /* ARM AARCH64 */
 #endif
 
 // Map Linux macros to their Apple equivalents.
-#if __APPLE__
+#if __APPLE__ || __FreeBSD__
 #ifndef __LITTLE_ENDIAN
 #define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
 #endif  // __LITTLE_ENDIAN
 #ifndef __BIG_ENDIAN
 #define __BIG_ENDIAN __ORDER_BIG_ENDIAN__
 #endif  // __BIG_ENDIAN
 #ifndef __BYTE_ORDER
 #define __BYTE_ORDER __BYTE_ORDER__
diff --git a/src/common/linux/elfutils.cc b/src/common/linux/elfutils.cc
--- a/src/common/linux/elfutils.cc
+++ b/src/common/linux/elfutils.cc
@@ -30,16 +30,20 @@
 #include "common/linux/elfutils.h"
 
 #include <assert.h>
 #include <string.h>
 
 #include "common/linux/linux_libc_support.h"
 #include "common/linux/elfutils-inl.h"
 
+#if defined(__FreeBSD__)
+#  define ElfW(type) Elf_##type
+#endif
+
 namespace google_breakpad {
 
 namespace {
 
 template<typename ElfClass>
 void FindElfClassSection(const char *elf_base,
                          const char *section_name,
                          typename ElfClass::Word section_type,
diff --git a/src/common/memory_allocator.h b/src/common/memory_allocator.h
--- a/src/common/memory_allocator.h
+++ b/src/common/memory_allocator.h
@@ -37,17 +37,17 @@
 
 #include <memory>
 #include <vector>
 
 #if defined(MEMORY_SANITIZER)
 #include <sanitizer/msan_interface.h>
 #endif
 
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(__FreeBSD__)
 #define sys_mmap mmap
 #define sys_munmap munmap
 #define MAP_ANONYMOUS MAP_ANON
 #else
 #include "third_party/lss/linux_syscall_support.h"
 #endif
 
 namespace google_breakpad {
diff --git a/src/third_party/lss/linux_syscall_support.h b/src/third_party/lss/linux_syscall_support.h
--- a/src/third_party/lss/linux_syscall_support.h
+++ b/src/third_party/lss/linux_syscall_support.h
@@ -4527,10 +4527,27 @@ struct kernel_statfs {
 #pragma pop_macro("pread64")
 #pragma pop_macro("pwrite64")
 #pragma pop_macro("getdents64")
 
 #if defined(__cplusplus) && !defined(SYS_CPLUSPLUS)
 }
 #endif
 
-#endif
-#endif
+#elif defined(__FreeBSD__)
+
+#include <unistd.h>
+#include <sys/stat.h>
+
+#define sys_readlink readlink
+
+#define sys_open open
+#define sys_close close
+#define sys_fstat fstat
+#define sys_fstat64 fstat
+#define kernel_stat stat
+#define kernel_stat64 stat
+#define sys_mmap mmap
+#define sys_munmap munmap
+
+#endif
+
+#endif