diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/sparc/process.cc | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/arch/sparc/process.cc b/src/arch/sparc/process.cc index c3b833562..c22aa6781 100644 --- a/src/arch/sparc/process.cc +++ b/src/arch/sparc/process.cc @@ -511,8 +511,8 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize) //Figure out how big the initial stack needs to be - // The unaccounted for 0 at the top of the stack - int mysterious_size = intSize; + // The unaccounted for 8 byte 0 at the top of the stack + int mysterious_size = 8; //This is the name of the file which is present on the initial stack //It's purpose is to let the user space linker examine the original file. @@ -527,13 +527,14 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize) arg_data_size += argv[i].size() + 1; } - //The info_block + //The info_block - This seems to need an pad for some reason. int info_block_size = - (file_name_size + + (mysterious_size + + file_name_size + env_data_size + - arg_data_size); + arg_data_size + intSize); - //Each auxilliary vector is two 8 byte words + //Each auxilliary vector is two 4 byte words int aux_array_size = intSize * 2 * (auxv.size() + 1); int envp_array_size = intSize * (envp.size() + 1); @@ -543,7 +544,7 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize) int window_save_size = intSize * 16; int space_needed = - mysterious_size + + info_block_size + aux_array_size + envp_array_size + argv_array_size + @@ -566,7 +567,7 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize) uint32_t auxv_array_base = envp_array_base + envp_array_size; //The info block is pushed up against the top of the stack, while //the rest of the initial stack frame is aligned to an 8 byte boudary. - uint32_t arg_data_base = stack_base - info_block_size; + uint32_t arg_data_base = stack_base - info_block_size + intSize; uint32_t env_data_base = arg_data_base + arg_data_size; uint32_t file_name_base = env_data_base + env_data_size; uint32_t mysterious_base = file_name_base + file_name_size; @@ -625,8 +626,8 @@ Sparc32LiveProcess::argsInit(int intSize, int pageSize) initVirtMem->writeBlob(spillStart, (uint8_t*)spillHandler32, spillSize); //Set up the thread context to start running the process - threadContexts[0]->setIntReg(ArgumentReg0, argc); - threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base); + //threadContexts[0]->setIntReg(ArgumentReg0, argc); + //threadContexts[0]->setIntReg(ArgumentReg1, argv_array_base); threadContexts[0]->setIntReg(StackPointerReg, stack_min); uint32_t prog_entry = objFile->entryPoint(); |