From 498b1f8763c6df04348266deefaa688eee6d4862 Mon Sep 17 00:00:00 2001 From: Daniel Jacobowitz Date: Tue, 29 Mar 2005 16:57:30 +0000 Subject: [PATCH] * arm-linux-tdep.c (arm_linux_thumb_be_breakpoint) (arm_linux_thumb_le_breakpoint): New. Update comments. (arm_linux_init_abi): Set Thumb breakpoints also. --- gdb/ChangeLog | 6 ++++++ gdb/arm-linux-tdep.c | 18 ++++++++++++++---- 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index fafdb9196f..e0a34a3368 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,9 @@ +2005-03-29 Daniel Jacobowitz + + * arm-linux-tdep.c (arm_linux_thumb_be_breakpoint) + (arm_linux_thumb_le_breakpoint): New. Update comments. + (arm_linux_init_abi): Set Thumb breakpoints also. + 2005-03-29 Daniel Jacobowitz * Makefile.in (arm-tdep.o): Update dependencies. diff --git a/gdb/arm-linux-tdep.c b/gdb/arm-linux-tdep.c index 3b7699dc44..d4b2899f61 100644 --- a/gdb/arm-linux-tdep.c +++ b/gdb/arm-linux-tdep.c @@ -39,13 +39,16 @@ is to execute a particular software interrupt, rather than use a particular undefined instruction to provoke a trap. Upon exection of the software interrupt the kernel stops the inferior with a - SIGTRAP, and wakes the debugger. Since ARM GNU/Linux doesn't support - Thumb at the moment we only override the ARM breakpoints. */ + SIGTRAP, and wakes the debugger. */ static const char arm_linux_arm_le_breakpoint[] = { 0x01, 0x00, 0x9f, 0xef }; static const char arm_linux_arm_be_breakpoint[] = { 0xef, 0x9f, 0x00, 0x01 }; +static const char arm_linux_thumb_be_breakpoint[] = {0xde, 0x01}; + +static const char arm_linux_thumb_le_breakpoint[] = {0x01, 0xde}; + /* Description of the longjmp buffer. */ #define ARM_LINUX_JB_ELEMENT_SIZE INT_REGISTER_SIZE #define ARM_LINUX_JB_PC 21 @@ -465,10 +468,17 @@ arm_linux_init_abi (struct gdbarch_info info, tdep->lowest_pc = 0x8000; if (info.byte_order == BFD_ENDIAN_BIG) - tdep->arm_breakpoint = arm_linux_arm_be_breakpoint; + { + tdep->arm_breakpoint = arm_linux_arm_be_breakpoint; + tdep->thumb_breakpoint = arm_linux_thumb_be_breakpoint; + } else - tdep->arm_breakpoint = arm_linux_arm_le_breakpoint; + { + tdep->arm_breakpoint = arm_linux_arm_le_breakpoint; + tdep->thumb_breakpoint = arm_linux_thumb_le_breakpoint; + } tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint); + tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint); tdep->fp_model = ARM_FLOAT_FPA;