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libdebugger: Use an offset table to format GDB g packets.

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Adding support for a register offset table lets FPU registers
be supported if added to the backend.

Closes #3733.
This commit is contained in:
Chris Johns
2019-04-08 13:17:08 +10:00
parent 8a8b95aa1d
commit 2c09b71faf
8 changed files with 478 additions and 215 deletions
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15
cpukit/libdebugger/rtems-debugger-threads.c
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@@ -25,6 +25,7 @@
*/
#include <errno.h>
#include <inttypes.h>
#include <stdlib.h>
#include <stdio.h>
@@ -85,7 +86,7 @@ rtems_debugger_thread_create(void)
r = rtems_debugger_block_create(&threads->registers,
RTEMS_DEBUGGER_THREAD_BLOCK_SIZE,
rtems_debugger_target_reg_size());
rtems_debugger_target_reg_table_size());
if (r < 0) {
rtems_debugger_thread_free(threads);
free(threads);
@@ -209,7 +210,7 @@ snapshot_thread(rtems_tcb* tcb, void* arg)
}
else {
rtems_debugger_thread* current;
DB_UINT* registers;
uint8_t* registers;
rtems_debugger_thread* thread;
int r;
@@ -229,7 +230,7 @@ snapshot_thread(rtems_tcb* tcb, void* arg)
thread = &current[threads->current.level++];
thread->registers =
&registers[threads->registers.level++ * rtems_debugger_target_reg_num()];
&registers[threads->registers.level++ * rtems_debugger_target_reg_table_size()];
thread->tcb = tcb;
thread->id = id;
@@ -262,7 +263,7 @@ snapshot_thread(rtems_tcb* tcb, void* arg)
rtems_status_code sc;
sc = rtems_task_suspend(id);
if (sc != RTEMS_SUCCESSFUL && sc != RTEMS_ALREADY_SUSPENDED) {
rtems_debugger_printf("error: rtems-db: thread: suspend: %08lx: %s\n",
rtems_debugger_printf("error: rtems-db: thread: suspend: %08" PRIx32 ": %s\n",
id, rtems_status_text(sc));
r = -1;
}
@@ -274,7 +275,7 @@ snapshot_thread(rtems_tcb* tcb, void* arg)
rtems_debugger_target_read_regs(thread);
if (rtems_debugger_server_flag(RTEMS_DEBUGGER_FLAG_VERBOSE))
rtems_debugger_printf("rtems-db: sys: thd: %08lx: signal: %d\n",
rtems_debugger_printf("rtems-db: sys: thd: %08" PRIx32 ": signal: %d\n",
id, thread->signal);
/*
@@ -380,7 +381,7 @@ rtems_debugger_thread_system_resume(bool detaching)
}
}
if (rtems_debugger_verbose())
rtems_debugger_printf("rtems-db: sys: : resume: 0x%08lx\n",
rtems_debugger_printf("rtems-db: sys: : resume: 0x%08" PRIx32 "\n",
thread->id);
if (rtems_debugger_thread_flag(thread,
RTEMS_DEBUGGER_THREAD_FLAG_EXCEPTION)) {
@@ -388,7 +389,7 @@ rtems_debugger_thread_system_resume(bool detaching)
} else {
sc = rtems_task_resume(thread->id);
if (sc != RTEMS_SUCCESSFUL) {
rtems_debugger_printf("error: rtems-db: thread: resume: %08lx: %s\n",
rtems_debugger_printf("error: rtems-db: thread: resume: %08" PRIx32 ": %s\n",
thread->id, rtems_status_text(sc));
}
}