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$cpsr struct not always defined, extract bits from $cpsr manually #24

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Merged
gdbinit merged 1 commit into from
Mar 25, 2014
Merged

$cpsr struct not always defined, extract bits from $cpsr manually #24

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67 changes: 40 additions & 27 deletions gdbinit
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Original file line number Diff line number Diff line change
Expand Up @@ -463,39 +463,39 @@ define flagsarm
# Carry/Borrow/Extend (C), bit 29
# Overflow (V), bit 28
# negative/less than (N), bit 31 of CPSR
if ($cpsr->n & 1)
if (($cpsr >> 0x1f) & 1)
printf "N "
set $_n_flag = 1
else
printf "n "
set $_n_flag = 0
end
# zero (Z), bit 30
if ($cpsr->z & 1)
if (($cpsr >> 0x1e) & 1)
printf "Z "
set $_z_flag = 1
else
printf "z "
set $_z_flag = 0
end
# Carry/Borrow/Extend (C), bit 29
if ($cpsr->c & 1)
if (($cpsr >> 0x1d) & 1)
printf "C "
set $_c_flag = 1
else
printf "c "
set $_c_flag = 0
end
# Overflow (V), bit 28
if ($cpsr->v & 1)
if (($cpsr >> 0x1c) & 1)
printf "V "
set $_v_flag = 1
else
printf "v "
set $_v_flag = 0
end
# Sticky overflow (Q), bit 27
if ($cpsr->q & 1)
if (($cpsr >> 0x1b) & 1)
printf "Q "
set $_q_flag = 1
else
Expand All @@ -506,15 +506,15 @@ define flagsarm
# When T=1:
# J = 0 The processor is in Thumb state.
# J = 1 The processor is in ThumbEE state.
if ($cpsr->j & 1)
if (($cpsr >> 0x18) & 1)
printf "J "
set $_j_flag = 1
else
printf "j "
set $_j_flag = 0
end
# Data endianness bit (E), bit 9
if ($cpsr->e & 1)
if (($cpsr >> 9) & 1)
printf "E "
set $_e_flag = 1
else
Expand All @@ -524,7 +524,7 @@ define flagsarm
# Imprecise abort disable bit (A), bit 8
# The A bit is set to 1 automatically. It is used to disable imprecise data aborts.
# It might not be writable in the Nonsecure state if the AW bit in the SCR register is reset.
if ($cpsr->a & 1)
if (($cpsr >> 8) & 1)
printf "A "
set $_a_flag = 1
else
Expand All @@ -533,7 +533,7 @@ define flagsarm
end
# IRQ disable bit (I), bit 7
# When the I bit is set to 1, IRQ interrupts are disabled.
if ($cpsr->i & 1)
if (($cpsr >> 7) & 1)
printf "I "
set $_i_flag = 1
else
Expand All @@ -543,7 +543,7 @@ define flagsarm
# FIQ disable bit (F), bit 6
# When the F bit is set to 1, FIQ interrupts are disabled.
# FIQ can be nonmaskable in the Nonsecure state if the FW bit in SCR register is reset.
if ($cpsr->f & 1)
if (($cpsr >> 6) & 1)
printf "F "
set $_f_flag = 1
else
Expand All @@ -552,7 +552,7 @@ define flagsarm
end
# Thumb state bit (F), bit 5
# if 1 then the processor is executing in Thumb state or ThumbEE state depending on the J bit
if ($cpsr->t & 1)
if (($cpsr >> 5) & 1)
printf "T "
set $_t_flag = 1
else
Expand Down Expand Up @@ -656,15 +656,16 @@ end

define eflags
if $ARM == 1
# http://www.heyrick.co.uk/armwiki/The_Status_register
printf " N <%d> Z <%d> C <%d> V <%d>",\
($cpsr->n & 1), ($cpsr->z & 1), \
($cpsr->c & 1), ($cpsr->v & 1)
(($cpsr >> 0x1f) & 1), (($cpsr >> 0x1e) & 1), \
(($cpsr >> 0x1d) & 1), (($cpsr >> 0x1c) & 1)
printf " Q <%d> J <%d> GE <%d> E <%d> A <%d>",\
($cpsr->q & 1), ($cpsr->j & 1),\
($cpsr->ge), ($cpsr->e & 1), ($cpsr->a & 1)
(($cpsr >> 0x1b) & 1), (($cpsr >> 0x18) & 1),\
(($cpsr >> 0x10) & 7), (($cpsr >> 9) & 1), (($cpsr >> 8) & 1)
printf " I <%d> F <%d> T <%d> \n",\
($cpsr->i & 1), ($cpsr->f & 1), \
($cpsr->t & 1)
(($cpsr >> 7) & 1), (($cpsr >> 6) & 1), \
(($cpsr >> 5) & 1)
else
printf " OF <%d> DF <%d> IF <%d> TF <%d>",\
(((unsigned int)$eflags >> 0xB) & 1), (((unsigned int)$eflags >> 0xA) & 1), \
Expand Down Expand Up @@ -1495,11 +1496,16 @@ define ddump
help ddump
else
color $COLOR_SEPARATOR
if ($64BITS == 1)
printf "[0x%04X:0x%016lX]", $ds, $data_addr
if $ARM == 1
printf "[0x%08X]", $data_addr
else
printf "[0x%04X:0x%08X]", $ds, $data_addr
if ($64BITS == 1)
printf "[0x%04X:0x%016lX]", $ds, $data_addr
else
printf "[0x%04X:0x%08X]", $ds, $data_addr
end
end

color $COLOR_SEPARATOR
printf "------------------------"
printf "-------------------------------"
Expand Down Expand Up @@ -1610,7 +1616,8 @@ define dumpjump
# 12 bits for any immediate value
# $_t_flag == 0 => ARM mode
# $_t_flag == 1 => Thumb or ThumbEE
if ($cpsr->t & 1)
# State bit (T), bit 5
if (($cpsr >> 5) & 1)
set $_t_flag = 1
else
set $_t_flag = 0
Expand Down Expand Up @@ -2031,11 +2038,15 @@ define context
end
if $SHOWSTACK == 1
color $COLOR_SEPARATOR
if ($64BITS == 1)
printf "[0x%04X:0x%016lX]", $ss, $rsp
if $ARM == 1
printf "[0x%08X]", $sp
else
printf "[0x%04X:0x%08X]", $ss, $esp
end
if ($64BITS == 1)
printf "[0x%04X:0x%016lX]", $ss, $rsp
else
printf "[0x%04X:0x%08X]", $ss, $esp
end
end
color $COLOR_SEPARATOR
printf "-------------------------"
printf "-----------------------------"
Expand Down Expand Up @@ -2130,14 +2141,16 @@ define context
if ($SETCOLOUR1STLINE == 1)
color $GREEN
if ($ARM == 1)
x/i $pc | $cpsr.t
# | $cpsr.t (Thumb flag)
x/i (unsigned int)$pc | (($cpsr >> 5) & 1)
else
x/i $pc
end
color_reset
else
if ($ARM == 1)
x/i $pc | $cpsr.t
# | $cpsr.t (Thumb flag)
x/i (unsigned int)$pc | (($cpsr >> 5) & 1)
else
x/i $pc
end
Expand Down