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Bug 1808429 - Disconnect runtime configuration from MOZ_DEBUG r=glandium

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Some of the runtime options are compiled-in constants when MOZ_DEBUG is not
defined.  But it can be useful to enable these configuration options without
enabling the rest of MOZ_DEBUG (eg assertions).  This patch adds a new
preprocessor macro to enable runtime configuration.

Differential Revision: https://phabricator.services.mozilla.com/D165920
This commit is contained in:
Paul Bone 2023-01-20 06:21:12 +00:00
parent 95ef1322fd
commit 883afb9d00
1 changed files with 11 additions and 3 deletions
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14
memory/build/mozjemalloc.cpp
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@ -203,12 +203,20 @@ using namespace mozilla;
# define MALLOC_DECOMMIT
#endif
// Define MALLOC_RUNTIME_CONFIG depending on MOZ_DEBUG. Overriding this as
// a build option allows us to build mozjemalloc/firefox without runtime asserts
// but with runtime configuration. Making some testing easier.
#ifdef MOZ_DEBUG
# define MALLOC_RUNTIME_CONFIG
#endif
// When MALLOC_STATIC_PAGESIZE is defined, the page size is fixed at
// compile-time for better performance, as opposed to determined at
// runtime. Some platforms can have different page sizes at runtime
// depending on kernel configuration, so they are opted out by default.
// Debug builds are opted out too, for test coverage.
#ifndef MOZ_DEBUG
#ifndef MALLOC_RUNTIME_CONFIG
# if !defined(__ia64__) && !defined(__sparc__) && !defined(__mips__) && \
!defined(__aarch64__) && !defined(__powerpc__) && !defined(XP_MACOSX) && \
!defined(__loongarch__)
@ -1384,7 +1392,7 @@ static detail::ThreadLocal<arena_t*, detail::ThreadLocalKeyStorage>
const uint8_t kAllocJunk = 0xe4;
const uint8_t kAllocPoison = 0xe5;
#ifdef MOZ_DEBUG
#ifdef MALLOC_RUNTIME_CONFIG
static bool opt_junk = true;
static bool opt_poison = true;
static bool opt_zero = false;
@ -4226,7 +4234,7 @@ static bool malloc_init_hard() {
opt_dirty_max <<= 1;
}
break;
#ifdef MOZ_DEBUG
#ifdef MALLOC_RUNTIME_CONFIG
case 'j':
opt_junk = false;
break;