diff options
Diffstat (limited to 'gdb/lm32-tdep.c')
| -rw-r--r-- | gdb/lm32-tdep.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/gdb/lm32-tdep.c b/gdb/lm32-tdep.c index b805716..327ac32 100644 --- a/gdb/lm32-tdep.c +++ b/gdb/lm32-tdep.c @@ -48,7 +48,7 @@ struct gdbarch_tdep { - /* gdbarch target dependent data here. Currently unused for LM32. */ + /* gdbarch target dependent data here. Currently unused for LM32. */ }; struct lm32_frame_cache @@ -144,7 +144,7 @@ lm32_analyze_prologue (struct gdbarch *gdbarch, if ((LM32_OPCODE (instruction) == OP_SW) && (LM32_REG0 (instruction) == SIM_LM32_SP_REGNUM)) { - /* Any stack displaced store is likely part of the prologue. + /* Any stack displaced store is likely part of the prologue. Record that the register is being saved, and the offset into the stack. */ info->saved_regs[LM32_REG1 (instruction)].addr = @@ -153,7 +153,7 @@ lm32_analyze_prologue (struct gdbarch *gdbarch, else if ((LM32_OPCODE (instruction) == OP_ADDI) && (LM32_REG1 (instruction) == SIM_LM32_SP_REGNUM)) { - /* An add to the SP is likely to be part of the prologue. + /* An add to the SP is likely to be part of the prologue. Adjust stack size by whatever the instruction adds to the sp. */ info->size -= LM32_IMM16 (instruction); } @@ -172,7 +172,8 @@ lm32_analyze_prologue (struct gdbarch *gdbarch, } else { - /* Any other instruction is likely not to be part of the prologue. */ + /* Any other instruction is likely not to be part of the + prologue. */ break; } } @@ -336,8 +337,8 @@ lm32_extract_return_value (struct type *type, struct regcache *regcache, } else { - /* Aggregate types greater than a single register are returned in memory. - FIXME: Unless they are only 2 regs?. */ + /* Aggregate types greater than a single register are returned + in memory. FIXME: Unless they are only 2 regs?. */ regcache_cooked_read_unsigned (regcache, SIM_LM32_R1_REGNUM, &l); return_buffer = l; read_memory (return_buffer, valbuf, TYPE_LENGTH (type)); @@ -463,7 +464,8 @@ lm32_frame_cache (struct frame_info *this_frame, void **this_prologue_cache) converted into a request for the RA register. */ info->saved_regs[SIM_LM32_PC_REGNUM] = info->saved_regs[SIM_LM32_RA_REGNUM]; - /* The previous frame's SP needed to be computed. Save the computed value. */ + /* The previous frame's SP needed to be computed. Save the computed + value. */ trad_frame_set_value (info->saved_regs, SIM_LM32_SP_REGNUM, prev_sp); return info; |