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| author | Kevin Buettner <kevinb@redhat.com> | 2013-08-16 04:30:23 +0000 |
|---|---|---|
| committer | Kevin Buettner <kevinb@redhat.com> | 2013-08-16 04:30:23 +0000 |
| commit | ba89f962b4ba5e1bfc3ee16d68505bb50f162319 (patch) | |
| tree | bc2b03525725cc82bdb9379e1b054f2b4ef07ce6 /gdb | |
| parent | 4956ded865d24ec1ff5852cc9157ccf54bad2218 (diff) | |
| download | gdb-ba89f962b4ba5e1bfc3ee16d68505bb50f162319.zip gdb-ba89f962b4ba5e1bfc3ee16d68505bb50f162319.tar.gz gdb-ba89f962b4ba5e1bfc3ee16d68505bb50f162319.tar.bz2 | |
Make RL78_PC_REGNUM a pseudo-register in rl78-tdep.c.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 9 | ||||
| -rw-r--r-- | gdb/rl78-tdep.c | 34 |
2 files changed, 37 insertions, 6 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ea01323..6b34e3c 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,12 @@ +2013-08-15 Kevin Buettner <kevinb@redhat.com> + + * rl78-tdep.c (RL78_RAW_PC_REGNUM): New enum. + (RL78_PC_REGNUM): Move to list of pseudo-register enums. + (rl78_register_type, rl78_register_name, rl78_register_reggroup_p): + Update to account for fact that PC is now a pseudo-register. + (rl78_pseudo_register_write, rl78_pseudo_register_read): Add + cases for RL78_PC_REGNUM. + 2013-08-15 Muhammad Bilal <mbilal@codesourcery.com> PR cli/15841 diff --git a/gdb/rl78-tdep.c b/gdb/rl78-tdep.c index d9149c2..c727eb5 100644 --- a/gdb/rl78-tdep.c +++ b/gdb/rl78-tdep.c @@ -94,7 +94,7 @@ enum RL78_PSW_REGNUM, /* 8 bits */ RL78_ES_REGNUM, /* 8 bits */ RL78_CS_REGNUM, /* 8 bits */ - RL78_PC_REGNUM, /* 20 bits; we'll use 32 bits for it. */ + RL78_RAW_PC_REGNUM, /* 20 bits; we'll use 32 bits for it. */ /* Fixed address SFRs (some of those above are SFRs too.) */ RL78_SPL_REGNUM, /* 8 bits; lower half of SP */ @@ -105,7 +105,8 @@ enum RL78_NUM_REGS, /* Pseudo registers. */ - RL78_SP_REGNUM = RL78_NUM_REGS, + RL78_PC_REGNUM = RL78_NUM_REGS, + RL78_SP_REGNUM, RL78_X_REGNUM, RL78_A_REGNUM, @@ -243,6 +244,8 @@ rl78_register_type (struct gdbarch *gdbarch, int reg_nr) if (reg_nr == RL78_PC_REGNUM) return tdep->rl78_code_pointer; + else if (reg_nr == RL78_RAW_PC_REGNUM) + return tdep->rl78_uint32; else if (reg_nr <= RL78_MEM_REGNUM || (RL78_X_REGNUM <= reg_nr && reg_nr <= RL78_H_REGNUM) || (RL78_BANK0_R0_REGNUM <= reg_nr @@ -298,13 +301,14 @@ rl78_register_name (struct gdbarch *gdbarch, int regnr) "psw", "es", "cs", - "pc", + "", "", /* spl */ "", /* sph */ "pmc", "mem", + "pc", "sp", "x", @@ -394,9 +398,11 @@ rl78_register_reggroup_p (struct gdbarch *gdbarch, int regnum, if (group == save_reggroup || group == restore_reggroup) { if ((regnum < RL78_NUM_REGS - && regnum != RL78_SPL_REGNUM - && regnum != RL78_SPH_REGNUM) - || regnum == RL78_SP_REGNUM) + && regnum != RL78_SPL_REGNUM + && regnum != RL78_SPH_REGNUM + && regnum != RL78_RAW_PC_REGNUM) + || regnum == RL78_SP_REGNUM + || regnum == RL78_PC_REGNUM) return 1; else return 0; @@ -409,6 +415,7 @@ rl78_register_reggroup_p (struct gdbarch *gdbarch, int regnum, || regnum == RL78_SPH_REGNUM || regnum == RL78_PMC_REGNUM || regnum == RL78_MEM_REGNUM + || regnum == RL78_RAW_PC_REGNUM || (RL78_BANK0_RP0_REGNUM <= regnum && regnum <= RL78_BANK3_RP3_REGNUM)) return group == system_reggroup; @@ -464,6 +471,13 @@ rl78_pseudo_register_read (struct gdbarch *gdbarch, if (status == REG_VALID) status = regcache_raw_read (regcache, RL78_SPH_REGNUM, buffer + 1); } + else if (reg == RL78_PC_REGNUM) + { + gdb_byte rawbuf[4]; + + status = regcache_raw_read (regcache, RL78_RAW_PC_REGNUM, rawbuf); + memcpy (buffer, rawbuf, 3); + } else if (RL78_X_REGNUM <= reg && reg <= RL78_H_REGNUM) { ULONGEST psw; @@ -527,6 +541,14 @@ rl78_pseudo_register_write (struct gdbarch *gdbarch, regcache_raw_write (regcache, RL78_SPL_REGNUM, buffer); regcache_raw_write (regcache, RL78_SPH_REGNUM, buffer + 1); } + else if (reg == RL78_PC_REGNUM) + { + gdb_byte rawbuf[4]; + + memcpy (rawbuf, buffer, 3); + rawbuf[3] = 0; + regcache_raw_write (regcache, RL78_RAW_PC_REGNUM, rawbuf); + } else if (RL78_X_REGNUM <= reg && reg <= RL78_H_REGNUM) { ULONGEST psw; |