diff options
| author | Michael Meissner <gnu@the-meissners.org> | 1996-12-27 20:59:46 +0000 |
|---|---|---|
| committer | Michael Meissner <gnu@the-meissners.org> | 1996-12-27 20:59:46 +0000 |
| commit | 0b019fa141e52458e9e463bc088cb11191c37b47 (patch) | |
| tree | d3c84689c6af1aee5faab451fbb8e65be90087dd /gdb/v850-tdep.c | |
| parent | a490f8c1306c75dfa6cd6efddede263cd558cd55 (diff) | |
| download | gdb-0b019fa141e52458e9e463bc088cb11191c37b47.zip gdb-0b019fa141e52458e9e463bc088cb11191c37b47.tar.gz gdb-0b019fa141e52458e9e463bc088cb11191c37b47.tar.bz2 | |
Add large frame support
Diffstat (limited to 'gdb/v850-tdep.c')
| -rw-r--r-- | gdb/v850-tdep.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/gdb/v850-tdep.c b/gdb/v850-tdep.c index b79221a..1bde62c 100644 --- a/gdb/v850-tdep.c +++ b/gdb/v850-tdep.c @@ -71,6 +71,7 @@ v850_scan_prologue (pc, pi) CORE_ADDR save_pc, save_end; int regsave_func_p; int current_sp_size; + int r12_tmp; /* First, figure out the bounds of the prologue so that we can limit the search to something reasonable. */ @@ -115,6 +116,7 @@ v850_scan_prologue (pc, pi) regsave_func_p = 0; save_pc = 0; save_end = 0; + r12_tmp = 0; #ifdef DEBUG printf_filtered ("Current_pc = 0x%.8lx, prologue_end = 0x%.8lx\n", @@ -184,13 +186,19 @@ v850_scan_prologue (pc, pi) pi->framereg = FP_REGNUM; } + else if (insn == ((R12_REGNUM << 11) | 0x0640 | R0_REGNUM)) /* movhi hi(const),r0,r12 */ + r12_tmp = read_memory_integer (current_pc + 2, 2) << 16; + else if (insn == ((R12_REGNUM << 11) | 0x0620 | R12_REGNUM)) /* movea lo(const),r12,r12 */ + r12_tmp += read_memory_integer (current_pc + 2, 2); + else if (insn == ((SP_REGNUM << 11) | 0x01c0 | R12_REGNUM) && r12_tmp) /* add r12,sp */ + pi->frameoffset = r12_tmp; else if (insn == ((EP_REGNUM << 11) | 0x0000 | SP_REGNUM)) /* mov sp,ep */ ep_used = 1; else if (insn == ((EP_REGNUM << 11) | 0x0000 | R1_REGNUM)) /* mov r1,ep */ ep_used = 0; - else if (((insn & 0x07ff) == (0x0760 | SP_REGNUM) /* st.w <reg>,<offset>[sp] */ + else if (((insn & 0x07ff) == (0x0760 | SP_REGNUM) /* st.w <reg>,<offset>[sp] */ || (fp_used - && (insn & 0x07ff) == (0x0760 | FP_REGNUM))) /* st.w <reg>,<offset>[fp] */ + && (insn & 0x07ff) == (0x0760 | FP_REGNUM))) /* st.w <reg>,<offset>[fp] */ && pifsr && (((reg = (insn >> 11) & 0x1f) >= SAVE1_START_REGNUM && reg <= SAVE1_END_REGNUM) || (reg >= SAVE2_START_REGNUM && reg <= SAVE2_END_REGNUM) |