diff options
| author | yangjie11 <[email protected]> | 2020-11-18 09:56:35 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-11-18 09:56:35 +0800 |
| commit | d4a682e8d97fa131e5a8d795f8c5451d55cdd5b0 (patch) | |
| tree | 4773b40cb012475c5daf74bfd55707e141477669 /libcpu/arm/common | |
| parent | 2b98f4720c827ae1850df78299f6b273d568c8c7 (diff) | |
| parent | 2ef3c9d861f55253620996a94831a4be31ca6620 (diff) | |
Merge pull request #3 from RT-Thread/master
sync
Diffstat (limited to 'libcpu/arm/common')
| -rw-r--r-- | libcpu/arm/common/SConscript | 23 | ||||
| -rw-r--r-- | libcpu/arm/common/backtrace.c | 58 |
2 files changed, 52 insertions, 29 deletions
diff --git a/libcpu/arm/common/SConscript b/libcpu/arm/common/SConscript new file mode 100644 index 0000000000..9ff30a796b --- /dev/null +++ b/libcpu/arm/common/SConscript @@ -0,0 +1,23 @@ +# RT-Thread building script for component + +from building import * + +Import('rtconfig') + +cwd = GetCurrentDir() +src = Glob('*.c') + Glob('*.cpp') +CPPPATH = [cwd] + +if rtconfig.PLATFORM == 'armcc': + src += Glob('*_rvds.S') + +if rtconfig.PLATFORM == 'gcc': + src += Glob('*_init.S') + src += Glob('*_gcc.S') + +if rtconfig.PLATFORM == 'iar': + src += Glob('*_iar.S') + +group = DefineGroup('cpu', src, depend = [''], CPPPATH = CPPPATH) + +Return('group') diff --git a/libcpu/arm/common/backtrace.c b/libcpu/arm/common/backtrace.c index f61c69ef01..4fc87b20d1 100644 --- a/libcpu/arm/common/backtrace.c +++ b/libcpu/arm/common/backtrace.c @@ -13,51 +13,51 @@ #ifdef __GNUC__ /* -->High Address,Stack Top -PC<-----| -LR | -IP | -FP | -...... | -PC<-| | -LR | | -IP | | +PC<------| +LR | +IP | +FP | +...... | +PC <-| | +LR | | +IP | | FP---|-- | -...... | -PC | -LR | -IP | +...... | +PC | +LR | +IP | FP--- -->Low Address,Stack Bottom */ void rt_hw_backtrace(rt_uint32_t *fp, rt_uint32_t thread_entry) { - rt_uint32_t i, pc, func_entry; + rt_uint32_t i, pc, func_entry; - pc = *fp; - rt_kprintf("[0x%x]\n", pc-0xC); + pc = *fp; + rt_kprintf("[0x%x]\n", pc-0xC); - for(i=0; i<10; i++) - { - fp = (rt_uint32_t *)*(fp - 3); - pc = *fp ; + for(i=0; i<10; i++) + { + fp = (rt_uint32_t *)*(fp - 3); + pc = *fp ; - func_entry = pc - 0xC; + func_entry = pc - 0xC; - if(func_entry <= 0x30000000) break; + if(func_entry <= 0x30000000) break; - if(func_entry == thread_entry) - { - rt_kprintf("EntryPoint:0x%x\n", func_entry); + if(func_entry == thread_entry) + { + rt_kprintf("EntryPoint:0x%x\n", func_entry); - break; - } + break; + } - rt_kprintf("[0x%x]\n", func_entry); - } + rt_kprintf("[0x%x]\n", func_entry); + } } #else void rt_hw_backtrace(rt_uint32_t *fp, rt_uint32_t thread_entry) { - /* old compiler implementation */ + /* old compiler implementation */ } #endif |